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| Number | Title | Issue Date |
| 6703070 | One-component, low temperature curable coating powder A mixture of a self-curing epoxy resin having an equivalent weight of from about 100 to about 700, a melt viscosity of from out 200 to about 3000 centipoise at 150° C. and a low temperature curing agent is extruded or otherwise mixed in the molten state ... | 03/09/2004 |
| 6500350 | Formation of thin film resistors A method is provided for forming a patterned layer of resistive material in electrical contact with a layer of electrically conducting material. A three-layer structure is formed which comprises a metal conductive layer, an intermediate layer formed of ma... | 12/31/2002 |
| 6472057 | Low stress, water-clear zinc sulfide The machinability of water-clear zinc sulfide articles produced by chemical vapor deposition and high temperature, high isostatic pressure (HIP) treatment is enhanced by extending the time over which the article is cooled following the HIP treatment. The ... | 10/29/2002 |
| 6462163 | Solventless laminating adhesive with barrier properties A solventless urethane adhesive layer which proves excellent oxygen and moisture barrier properties is formed from the reactio of A) a low molecular weight polyester formed from a single species of linear aliphatic diol and a single species of dicarboxyli... | 10/08/2002 |
| 6444038 | Dual fritted bubbler A dual chambered bubbler vessel for use with solid organometallic source material for chemical vapor phase deposition systems, and a method for transporting a carrier gas saturated with source material for delivery into such systems. The bubbler vessel is... | 09/03/2002 |
| 6388230 | Laser imaging of thin layer electronic circuitry material To form thin film electrical components, a thin film having desired electrical properties is deposited on a substrate of dissimilar material. Thermal energy from a computer guided laser is used to remove selected portions of the thin film. In accordance w... | 05/14/2002 |
| 6383324 | Polysulfide-based polyurethane sealant for insulating glass An insulated glass sealant having the best characteristics of polysulfides and polyurethanes rather than the worst is made from a polysulfide-based polyurethane prepared by a one-step procedure wherein a randomly copolymeric hydroxyl-terminated polysulfid... | 05/07/2002 |
| 6358357 | Packaging adhesive mixtures for controlled gas barrier properties A higher-barrier acrylic/chlorinated vinyl or acrylic/chlorinated vinyl/vinyl latex adhesive component and a lower-barrier acrylic or acrylic/vinyl latex adhesive component are mixed in relative proportions and used to adhere films of low-barrier material... | 03/19/2002 |
| 6356455 | Thin integral resistor/capacitor/inductor package, method of manufacture A thin electrical circuitry structure is formed which contains conductive circuitry traces, integral capacitors and integral resistors. A first laminate structure comprises a conductive foil having a layer of embeddable dielectric material laminated there... | 03/12/2002 |
| 6325887 | Heat-activatable polyurethane/urea adhesive in aqueous dispersion A stable colloidal aqueous dispersion of a partially and homogeneously crosslinked polyurethane/polyurea is made by inserting an integral emulsifier and an internal dispersion stabilizer into a polyurethane having a polyester- or polycaprolactone diol bac... | 12/04/2001 |
| 6322656 | Method and composition for amine borane reduction of copper oxide to metallic copper An improvement in a method of bonding copper and a resin together wherein a copper oxide layer is formed on the surface of copper by the oxidation of metallic copper, the copper oxide layer is reduced to metallic copper with an aqueous reducing solution c... | 11/27/2001 |
| 6309805 | Method for securing and processing thin film materials To secure a thin film to a rigid carrier for subsequent exposure to processing chemicals, the thin film is initially adhered to the rigid carrier with a light adhesive from which the thin film may later be peeled. Then a photoresist is applied over the th... | 10/30/2001 |
| 6268022 | Process for coating cabinet doors Machine-profiled edges and corners and other surface discontinuities of heat sensitive workpieces such as wooden cabinet doors are uniformly covered by a coating powder applied electrostatically to the back side of the workpiece first, allowing the powder... | 07/31/2001 |
| 6258294 | Composition for stripping solder and tin from printed circuit boards A composition and method for stripping tin and solder and the underlying tin-copper alloy from the copper substrate of a printed circuit board is presented. The liquid includes an aqueous solution of nitric acid in an amount sufficient to dissolve solder ... | 07/10/2001 |
| 6248824 | Translucent high-temperature powder coatings Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coatin... | 06/19/2001 |
| 6235228 | Method for on-mold coating molded articles with a coating powder as a liquid gel coat replacement Method for on-mold surface coating fiberglass-reinforced molded articles during their manufacture with environmentally friendly and physiologically safe thermosetting unsaturated polyester on-mold coating powders which serve as replacements for liquid gel... | 05/22/2001 |
| 6228298 | Salt pelletizing method A water soluble dicarboxylic acid or an alkali metal salt thereof acts as a mold release agent for salt pellets when a salt-contacting surface of a roll-type briquetting press is coated with from about 0.02 to about 5 mg/cm2 of a powder of the ... | 05/08/2001 |
| 6210592 | Deposition of resistor materials directly on insulating substrates Resistors are formed by selective etching from layered thin film material comprising an insulating substrate, a resistive material which is a mixture of a zero valence metal and a dielectric material, and a layer of conductive material.... | 04/03/2001 |
| 6208234 | Resistors for electronic packaging In thin layer resistors comprising a patch of a layer of resistive material on an insulating substrate and means at spaced apart locations on the patch, the resistive material is formed of 95 to 99.5 wt % of a zero valence metal and between 5 and 0.5 wt %... | 03/27/2001 |
| 6150306 | Fluorescent tracer dyes A dye composition has the formula: ##STR1## where R1 and R2 are the same or different and are selected from (A) C2 -C12 alkyloxyalkyl, and (B) C9-12 alkyl, (A) comprising from about 30 to 80 mole... | 11/21/2000 |
| 6136882 | Non-hazing UV curable powder coatings containing crystalline resins This invention provides a UV curable powder coating composition comprising a particulate blend of a non-crystalline unsaturated polyester base resin, a crystalline unsaturated crosslinker resin co-polymerizable with the base resin, and a photoinitiator, t... | 10/24/2000 |
| 6136370 | Method of powder coating a substrate In substrates, such as wood substrates, having sharp edges, corners and other surface discontinuities, in a front appearance surface, non-functional machining, such as formation of grooves, is performed on the rear non-appearance surface adjacent the surf... | 10/24/2000 |
| 6127091 | Photopolymerizable composition and photopolymerizable recording material prepared using this composition A photopolymerizable composition, which contains a polymeric binder, a compound which can be polymerized by free radicals and has at least one terminal ethylenic double bond and a photoinitiator combination comprising an N-heterocyclic compound, a thioxan... | 10/03/2000 |
| 6114091 | Photopolymerizable composition containing an N-heterocyclic photoinitiator A photopolymerizable composition, which contains a polymeric binder, a compound which can be polymerized by free radicals and has at least one terminal ethylenic double bond and a photoinitiator combination comprising an N-heterocyclic compound, a thioxan... | 09/05/2000 |
| 6114414 | Continuous processing of powder coating compositions Systems, apparatus combinations and methods for producing a powder coating are provided wherein a stream of a powder coating precursor including at least one resin and at least one additional powder coating ingredient is contacted with a process fluid eff... | 09/05/2000 |
| 6110643 | Method of forming a multilayer printed circuit board and product thereof In a process for fabricating a multilayer printed circuit board with permanent innerlayers of photoresist, the photo-imageable composition used to form the hard permanent layer comprises a polymerizable acrylate monomer; an oligomer formed by the reaction... | 08/29/2000 |
| 6083285 | N,N-dialkylaniline azo dye solutions A stabilized, concentrated solution of a diazo dye is prepared by coupling diazotized aniline or substituted aniline with a dialkylaniline in the presence of an aromatic solvent. After removal of the aqueous phase, the solution is stabilized by the additi... | 07/04/2000 |
| 6080213 | Stabilized aqueous diazo solutions A stabilized aqueous solution of a diazo compound has the formula: ##STR1## where X1 is selected from nitro and chloro, X2 is selected from nitro, chloro and hydrogen, and Y is an acid-derived anion. The solution has a pH of abo... | 06/27/2000 |
| 6077610 | Two component powder coating system and method for coating wood therewith Wood is electrostatically coated with a thermosetting powder coating system in which a mixture of a self-curing epoxy resin and a catalyst therefore is extruded and a low temperature curing agent are both pulverized and the powders are blended with conven... | 06/20/2000 |
| 6075074 | Continuous processing of powder coating compositions Systems, apparatus combinations and methods for producing a coating powder are provided wherein a stream of a powder coating precursor including at least one resin and at least one additional powder coating ingredient is contacted with a process fluid eff... | 06/13/2000 |
| 6054252 | Photoimageable compositions having improved chemical resistance and stripping ability A negative-acting photoimageable composition useful as a primary imaging resist in the manufacture of printed circuit boards comprises an acid-functional binder polymer, a photopolymerizable component, and a photoinitiator chemical system, in which the bi... | 04/25/2000 |
| 6048949 | Unsaturated polyester powder coatings with improved surface cure Low temperature curable unsaturated polyester powder coatings suited for heat sensitive substrates with improved surface cure through incorporation of active hydrogen groups into the unsaturated polyester molecule. The unsaturated polyesters containing ac... | 04/11/2000 |
| 6045973 | Photoimageable compositions having improved chemical resistance and stripping ability A negative-acting photoimageable composition useful as a primary imaging resist in the manufacture of printed circuit boards comprises an acid-functional binder polymer, a photopolymerizable component, and a photoinitiator chemical system, in which the bi... | 04/04/2000 |
| 6034178 | Coating powder for high temperature resistant coatings A coating powder for producing a high temperature resistant coating has a resin system which comprises (A) between about 50 and about 93 wt % based on total of (A) plus (B) of a silicone resin and (B) between about 7 and about 50 wt % based on total weigh... | 03/07/2000 |
| 6028212 | Solid vinyl ether terminated urethane curing agent Solid vinyl ether terminated curing agents for powder coatings can be prepared by reacting an aliphatic diisocyanate with a polyol and then with a hydroxy vinyl ether, or by reacting an aliphatic polyisocyanate with a hydroxy vinyl ether. Powder coatings ... | 02/22/2000 |
| 6025030 | Flexible, weatherable, acrylic coating powder Coating powder compositions comprise A) between about 60 and about 90 wt %, relative to total weight of A) plus B) plus C), of an acrylic polymer having a weight average molecular weight of between about 1000 and about 30,000, a carboxylic acid equivalent... | 02/15/2000 |
| 6025075 | Mixture of sorbitan ester, magnesium hydroxide and thermoplastic resin A thermoplastic resin containing a flame-retarding magnesium hydroxide has its workability enhanced by a sorbitan ester in admixture with the resin and flame retardant. An admixture of the resin, magnesium hydroxide, and ester may be either a mixture of d... | 02/15/2000 |
| 6022927 | Flexible, weatherable, acrylic coating powder Coating powder compositions comprise A) between about 60 and about 90 wt %, relative to total weight of A) plus B) plus C), of an acrylic polymer having a weight average molecular weight of between about 1000 and about 30,000, a carboxylic acid equivalent... | 02/08/2000 |
| 6017593 | Method for producing low gloss appearance with UV curable powder coatings Low gloss appearance in a coating derived from UV curable powder coatings can be achieved by using UV curable powder containing crystalline resins or blends of crystalline and amorphous resins and after heat fusing the powders together, allowing the cryst... | 01/25/2000 |
| 6017640 | Dual thermal and ultraviolet curable powder coatings Opaquely pigmented or thick filmed powder coatings for heat sensitive substrates, such as wood, wood composites, for example, medium density fiber board, and plastics, that can be fully cured, especially near the substrate, through the incorporation of a ... | 01/25/2000 |
