Low temperature die attaching material for BOC packages

Patent Abstract

An apparatus and method is provided for forming a board-on-chip (BOC) package. An adhesive material including a carrier and microcapsules distributed in the carrier is used to bond a semiconductor component to a mounting surface in a BOC package. The microcapsules contain a hardener and/or a catalyst that, when combined with the carrier, initiate a bonding reaction. The contents of the microcapsules are released via application of an external influence, such as pressure or heat, when the bonding reaction is desired to begin. The use of microcapsules permits the formulation of adhesive blends with a substantially increased pot life, increased stability and reliability at high temperatures, and favorable low temperature reaction and bonding characteristics.

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Methods of delivery of cetyl myristoleate

Patent Abstract

The invention provides novel and advantageous delivery devices for compositions of cetyl myristoleate. The delivery devices include transdermal delivery devices, suppositories, enteric coatings, and microencapsulation. Further provided are methods of treating diseases using the disclosed delivery devices. Diseases that can be treated with the devices include, but are not limited to, diseases associated with the inflammation of tissues, diseases associated with inflammatory conditions affecting joints, and autoimmune diseases.

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Fat-coated encapsulation compositions and method for preparing the same

Patent Abstract

Fat-coated encapsulation compositions may be prepared by: (i) mixing an active agent with a molten fat, to obtain a slurry, and (ii) cooling the slurry, to obtain a solid mass in which the active agent is dispersed in solid fat.

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Dental hygiene article

Patent Abstract

A dental hygiene article, including a dental floss, and a microcapsule associated with a portion of the floss. The microcapsule includes a pigment encapsulated within the microcapsule for changing the color of a portion of the floss associated with the microcapsule upon rupture of the microcapsule as an indication of use or release of an active agent.

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Aroma release bottle and cap

Patent Abstract

A method and apparatus for delivering an aroma when a bottle is opened is provided. An aromatic substance is placed on the bottle neck and/or the cap, and the aroma is released when the cap is removed from the bottle. A preferred embodiment uses a rub-and-sniff material to contain the aroma. The material is scratched when the cap is removed, releasing the aroma.

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Solid, water-degradable disinfectant and cleanser composition, and associated methods of manufacture and use

Patent Abstract

A disinfectant and cleansing composition is provided in the form of an extruded solid. The active agent in the composition is a halogen-releasing agent such as a halogenated 5,5-dialylhydantoin. An inert binder such as a fatty acid salt or a hectoritic clay is used to enable manufacture of the composition using an extrusion process. Fragrance, colorants, and other pressure-sensitive materials may be included; fragrance and colorants are preferably incorporated in encapsulated form. Methods for manufacturing the compositions are also provided, as are methods for using the compositions in sanitizing water, particularly in disinfecting and cleansing flush toilets.

As a pioneering encapsulation company we can tailor our methods and techniques to meet your product needs.

Dental hygiene article

Patent Abstract

A dental hygiene article, including a dental floss, and a microcapsule associated with a portion of the floss. The microcapsule includes a pigment encapsulated within the microcapsule for changing the color of a portion of the floss associated with the microcapsule upon rupture of the microcapsule as an indication of use or release of an active agent.

As a pioneering encapsulation company we can tailor our methods and techniques to meet your product needs.

Dental floss having two components which react to form an active agent

Patent Abstract

A dental hygiene article that includes a dental floss, a first component associated with the floss, a second component associated with the floss, and a first barrier constructed to separate the first component from the second component until flossing occurs. The first and the second components are selected to react with each other when the first and the second components are combined, e.g., in the mouth during flossing.

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Matrix-double encapsulation method and a cosmetic composition containing matrix-double capsules

Patent Abstract

Disclosed herein is a double capsule for cosmetics obtained by matrix-double-encapsulation method which comprises steps of (a) first-encapsulating the fat-soluble active matrials with filming materials to give a microcapsule; (b) encapsulating the microcapsule of the step (a) with gellan gums, and a cosmetic composition containing the same.

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Preformed solder parts coated with parylene in a thickness effective to exhibit predetermined interference colors

Patent Abstract

The invention provides a solder preform coated with a predetermined thickness of parylene which physically and chemically protects the preform, as well as a provides a unique optical interference coating which reflects at characteristic frequencies. When predetermined thicknesses of parylene are selected, the parylene coating provides an interference coating which causes the solder preforms to appear green, or gold, or blue in color. The parylene coating, which is otherwise colorless and transparent thus enables solder preforms to be visually distinguishable by alloy type (or customer) by the use of colors, or blends of colors. The invention further provides an effective method of visually verifying the reflow status of a solder preform during manufacturing by examining the color of the solder preform after heating. The interference colors provided by the parylene coating do not persist through the reflow process, and thus, the change in color of the solder preform after reflow can be used as an effective visual check to determine if the preform has been heated sufficiently.

As a pioneering encapsulation company we can tailor our methods and techniques to meet your product needs.

Solid, water-degradable disinfectant and cleanser composition, and associated methods of manufacture and use

Patent Abstract

A disinfectant and cleansing composition is provided in the form of an extruded solid. The active agent in the composition is a halogen-releasing agent such as a halogenated 5,5-dialkylhydantoin. An inert binder such as a fatty acid salt or a hectoritic clay is used to enable manufacture of the composition using an extrusion process. Fragrance, colorants, and other pressure-sensitive materials may be included; fragrance and colorants are preferably incorporated in encapsulated form. Methods for manufacturing the compositions are also provided, as are methods for using the compositions in sanitizing water, particularly in disinfecting and cleansing flush toilets.

As a pioneering encapsulation company we can tailor our methods and techniques to meet your product needs.

Lubricous encapsulated ferromagnetic particles

Patent Abstract

A mass of ferromagnetic particles having a lubricous shell comprising a plurality of organic lubricant particles embedded in a film of a thermoplastic binder.

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Moldable ferromagnetic particles and method

Patent Abstract

Moldable ferromagnetic particles and method of making a magnetizable molding therefrom. The ferromagnetic particles are spray-coated with a slurry comprising insoluble thermoplastic particles suspended in a solution of a soluble polymer to produce a coating on the ferromagnetic particles which comprises a majority of the insoluble thermoplastic particles embedded in a lesser amount of a binder polymer. When compression molded, the insoluble thermoplastic particles form a continuous matrix for the ferromagnetic particles.

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Thermoplastic coated magnetic powder compositions and methods of making same

Patent Abstract

An iron powder composition comprising an iron powder coated with a substantially uniform coating of a thermoplastic material and admixed with a boron nitride powder and a method of utilizing the mixture to produce a magnetic core component is provided. The iron powder mixture is formulated with up to about 1% by weight of boron nitride which reduces the stripping and sliding die ejection pressures during high temperature molding and also improves the permeability of the magnetic part over an extended frequency range.

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Coating Material

Patent Abstract

The method of making a macroemulsion composition for controlling odors and including droplets of water-immiscible, odor counteracting material dispersed as the discontinuous phase of the macroemulsion in a water soluble binder, which constitutes the continuous phase of the macroemulsion. Upon deposition of the composition onto an appropriate substrate, such as pet litter, and after evaporation of the water within the binder solution, the water soluble binder solidifies on the substrate. In so doing, the solidified water soluble binder substantially encloses the droplets of the odor counteracting material. The water soluble binder easily dissolves upon contact with water in pet excreta, thereby releasing the odor counteracting material in an amount appropriate to counteract the offensive odors at the offensive area where such counteraction is needed most.

Effervescent liquid fish attractant composition with audible, visual, scent and taste enhancements and method of manufacturing the fish attractant

Patent Abstract

An effervescent liquid fish attractant that appeals to all of the senses of fish is disclosed. The fish attractant comprises an oil carrier liquid, scent or taste components, pigment components, light reflective particles, and CO.sub.2 gas-generating particles. The novel CO.sub.2 gas-generating particles comprise a weak organic acid and a base reagent, stabilized by a matrix forming polymer, such as polyvinylpyrrolidone. A novel process for preparing the CO.sub.2 gas-generating particles in a C.sub.1 to C.sub.4 alcohol solvent is also disclosed.

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Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet particles

Patent Abstract

Oxidation-resistant, individually encapsulated neodymium-iron-boron permanent magnet particles are provided. The particles are individually coated with, preferably, three distinct organic layers and are useful for the subsequent formation of a molded permanent magnet article. The first coating is an antioxidant layer employed for the retardation of oxidation of the coated particle. The second intermediate layer consists of an appropriate thermosetting epoxy to provide the adhesion required during subsequent molding of the particles. The third and outermost layer consists of polystyrene and is employed to keep the particles free flowing, since the epoxy layer may be tacky after deposition, thereby hindering the free flowability of the particles. The coatings are applied sequentially using fluidized bed coating techniques. The encapsulated particles can then be molded and appropriately cured. In addition, the encapsulated particles exhibit enhanced oxidation resistance, including at elevated temperatures.

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Pharmaceuticals microencapsulated by vapor deposited polymers and method

Patent Abstract

A microencapsulated pharmaceutical is formed by vapor depositing a polymeric film about an active pharmaceutical agent. The film thickness of the vapor deposited film is controlled to provide effective controlled release of said pharmaceutical agent subsequent to application. In a preferred embodiment the pharmaceutical is an orally ingestible pharmaceutical formed by vapor deposition of a poly-p-xylylene polymer about a core comprising an active pharmaceutical agent. The pharmaceutical agent exhibits surprising controlled release activity inspite of the extreme inertness of vapor deposited films such as Parylene films.

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Solder pastes

Patent Abstract

Solder powders coated with a thin layer of parylene and solder pastes containing the coated solder powders are disclosed. The coated solder powders can exhibit a high degree of resistance to oxidation and to reaction with the flux contained in the solder paste without substantially interfering with the reflow characteristics of the solder.

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Macroemulsion having an odor-countering discontinuous phase

Patent Abstract

A macroemulsion composition for controlling odors and including droplets of water-immiscible, odor counteracting material dispersed as the discontinuous phase of the macroemulsion in a water soluble binder, which constitutes the continuous phase of the macroemulsion. Upon deposition of the composition onto an appropriate substrate, such as pet litter, and after evaporation of the water within the binder solution, the water soluble binder solidifies on the substrate. In so doing, the solidified water soluble binder substantially encloses the droplets of the odor counteracting material. The water soluble binder easily dissolves upon contact with water in pet excreta, thereby releasing the odor counteracting material in an amount appropriate to counteract the offensive odors at the offensive area where such counteraction is needed most.

As a pioneering encapsulation company we can tailor our methods and techniques to meet your product needs. 
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Pharmaceuticals microencapsulated by vapor deposited polymers and method

Patent Abstract

A microencapsulated pharmaceutical is formed by vapor depositing a polymeric film about an active pharmaceutical agent. The film thickness of the vapor deposited film is controlled to provide effective controlled release of said pharmaceutical agent subsequent to application. In a preferred embodiment the pharmaceutical is an orally ingestible pharmaceutical formed by vapor deposition of a poly-p-xylylene polymer about a core comprising an active pharmaceutical agent. The pharmaceutical agent exhibits surprising controlled release activity inspite of the extreme inertness of vapor deposited films such as Parylene films.

As a pioneering encapsulation company we can tailor our methods and techniques to meet your product needs.

Solder powder coated with parylene

Patent Abstract

Solder powders coated with a thin layer of parylene and solder pastes containing the coated solder powders are disclosed. The coated solder powders can exhibit a high degree of resistance to oxidation and to reaction with the flux contained in the solder paste without substantially interfering with the reflow characteristics of the solder.

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Cast material with encapsulated lubricant

Patent Abstract

A slippery orthopedic cast tape produced by depositing onto a substrate a layer of microencapsulated lubricating or friction-reducing material. The substrate is impregnated with a material which is hardenable upon exposure to an activating agent. The coating of each one of the microgranules is formed of a material which is removable upon the application thereto of a removing stimulus. The microencapsulated lubricious material is applied to the inner end of a rolled cast tape so that it will be adjacent the outer layers of a formed cast. In one embodiment, the microgranules are formed of a water-insoluble polymeric coating over a polyethoxylated surfactant which serves as the lubricious material, the polymeric coating being rupturable upon the application of pressure in order to release the lubricious material.

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Tamper-indicating wrappers

Patent Abstract

Tamper-indicating, laminated wrappers wherein a visible change between layers of the wrapper indicate that the wrapper has been punctured or that there has been tampering with the wrapper or its contents. The wrapper may be composed of two or more plies of packaging material such as films made from ethylene vinyl alcohol copolymer or from polyolefins such as polypropylene. In one construction, a transparent or translucent laminated wrapper becomes opaque upon rupture or puncture. In other constructions, a transparent or translucent wrapper becomes colored at the site of the rupture or puncture.

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Moldable microcapsule that contains a high percentage of solid core material, and method of manufacture thereof

Patent Abstract

Microcapsules having a high loading factor of core material are formed as separate, reservoir microcapsules by coating solid core particles first with a thin, conformal layer of parylene and then with a layer of thermoplastic material.

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Fragrance-releasing insert for a magazine

Patent Abstract

A fragrance-releasing insert for a magazine, book or the like comprises a leaf having four at least partially overlapping sheets. At least an adjacent two of the sheets including the first and second sheets are substantially cut through to define a first portion of a removable unit, and at least an adjacent two of the sheets including the second and third sheets are at least partially cut through to define a second portion of the removable unit. The sheets of the second portion are of one-piece integral construction with corresponding ones of the sheets of the first portion so that the first and second portions are removable from the remainder of the leaf as the removable unit. Each of the sheets are secured together outside the periphery of the removable unit, the sheets of the first portion are secured together for movement as a unit, and two of the sheets of the second portion are separably secured together for movement as a unit and for releasing a scent when the two sheets of the second portion are separated from each other.

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Encapsulated lithium granules and method of manufacture

Patent Abstract

This invention relates to fuel granules of lithium having multiple coatings thereon and to the method of making the coated granules.

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Method and apparatus for microencapsulation

Patent Abstract

A method and apparatus for microencapsulating an electroluminescent phosphor with an extremely thin coating. The process involves vaporizing a poly-para-xylylene, pyrolyzing the resulting vapors to form reactive monomeric radicals, and then passing such vaporous radicals to a vacuum deposition zone where they contact tumbling particles of an electroluminescent phosphor under vacuum conditions. As the particles are being coated, they are sifted by means of a screen. The reactive monomeric radicals deposit on the tumbling particles, are adsorbed by the particles, and polymerized into a very thin coating on the surfaces of the particles.

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