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| Number | Title | Issue Date |
| 5965651 | Liquid-absorbing material composition, molded product therefrom, process for preparing the same and use thereof A liquid-absorbing material composition containing a crosslinking agent (component A), N-vinylcarboxamide copolymer (component B) having a functional group capable of crosslinking with the component A, water (component C), a water-soluble organic solvent ... | 10/12/1999 |
| 5907005 | Varnish composition A varnish composition suitable for producing a liquid crystal aligning film having a thickness of several tens to one hundred nanometers having 1 to 10% by weight of polyamic acid or soluble polyimide, and 90 to 99% by weight of a solvent which comprises ... | 05/25/1999 |
| 5280060 | Thermoplastic resin composition containing a fluidity modifier A thermoplastic resin composition comprises: 100 parts by weight of at least one polyamide resin, and 0.01 to 20 parts by weight of at least one fluidity modifier selected from the group consisting of: Succinic anhydride, hexamethylenetetramine and 1,12-diaminodode... | 01/18/1994 |
| 5240981 | Flame retardant polyimide system The present invention relates to a polyimide resin composition and products, especially storage stable polyimide pre-pregs, manufactured therefrom with improved processing properties comprising (A) the reaction product of a polyimide, an alkenylphenol or ... | 08/31/1993 |
| 5066697 | Polybenzimidazole solutions A solution polybenzimidazole which is resistant to phase separation contains: a polybenzimidazole; a solvent capable of dissolving the polybenzimidazole; and a minor amount of ammonium acetate.... | 11/19/1991 |
| 4988749 | Stabilization of nitrile polymers Disclosed herein are nitrile polymers which are stabilized against color degradation caused by ionizing radiation by the addition of a stabilizing agent comprising a combination of selected sulfur containing compounds as stabilizers and sulfur containing ... | 01/29/1991 |
| 4923752 | Sizing for carbon fiber An improved carbon fiber size of fluorinated poly(amide-acid).... | 05/08/1990 |
| 4841016 | Polyester resin compositions An additive composition for enhancing curing and color clarity properties of polyester resins. The additive comprises from about 50 to 75 parts by weight of a mercaptan, and from about 50 to about 25 parts by weight of a quaternary ammonium salt. From abo... | 06/20/1989 |
| 4595708 | Reverse osmosis membrane, casting solution, and processes for making same A casting solution of polyaramide in N,N-dimethylacetamide containing about 10 to 60% by wt. MgCl2, based on polyaramide, and a process for making such casting solution, are provided. An asymmetric permselective membrane and process for making ... | 06/17/1986 |
| 4529763 | Aromatic polyamide composition and processes for preparing film and fiber therefrom There is provided an aromatic polyamide composition, which comprises (a) a polyamide, the recurring structural units of which are substantially totally aromatic, (b) an organic amide solvent, and (c) one or more salts selected from chlorides and bromides ... | 07/16/1985 |
| 4525507 | High flash point/low surface energy solvent systems for polyimide conformal coatings An improved wire enamel consisting essentially of the following materials by weight wherein basis is wire enamel weight; at least 50% by wt. of a polar organic solvent; about 2-8% by wt. of a polyimide precursor which can be cured to yield a polyimide pol... | 06/25/1985 |
| 4416925 | Varnish and a method of coating plastic with polyvinylidene fluoride For the coating of plastics with polyvinylidene fluoride, finely divided polyvinylidene fluoride is dispersed in a solvent mixture of (a) at least one high-boiling, organic solvent with a boiling point up to 250° C., which dissolves polyvinylidene fluoride li... | 11/22/1983 |
| 4412022 | Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an alicyclic diamine and either hydrazine or isophthalic acid dihydrazide Polyurethane compositions comprising a polyurethane synthesized by reacting a diol, a specific alicyclic diisocyanate, a specific alicyclic diamine and hydrazine or isophthalic acid dihydrazide in specific proportions and a solvent therefor have good solu... | 10/25/1983 |
| 4360620 | Rubber dispersions Stable, free-flowing dispersions in organic liquids of rubbers in the form of discrete particles having an average diameter of from 100 to 3,000 nm which contain: A--as rubber, from 1 to 20% by weight, based on the total dispersion, of a crosslinked diene... | 11/23/1982 |
| 4321182 | Stable non-corrosive solution of polybenzimidazole suitable for use in the formation of shaped articles An improved solution of a polybenzimidazole suitable for use in the formation of shaped articles (e.g. fibers, films, and the like) is provided which includes a minor amount of an organo-lithium compound (as defined) which has been found to be capable of ... | 03/23/1982 |
| 4309328 | Stable aqueous dispersions of particles of vinylidene fluoride polymer Coating compositions based on stable aqueous dispersions of particles of vinylidene fluoride polymer are prepared by bringing into admixture unstabilized particles of vinylidene fluoride polymer, liquid organic active solvent for the vinylidene fluoride p... | 01/05/1982 |
| 4210566 | Jet ink compositions Ink compositions are provided which are suitable for use in ink jet printing on coated or uncoated substrates to form images which are highly resistant to abrasion and highly penetrant by virtue of the penetrating characteristics of a select solvent syste... | 07/01/1980 |
| 4183838 | Polyimide resin-forming composition Polyimides of the formula ##STR1## Methods of making and polymerizing precursors for such polymers. Coating and adhesive compositions including constituents which can be converted into polyimides with the foregoing structure. Methods of making and us... | 01/15/1980 |
| 4179397 | Indicator ink An ink composition is provided which is suitable for use on plastic, bare metal, for example, tinplate or aluminum as well as on such metals having organic coatings applied to surfaces thereof. The inks are suitable for use in contact printers or in jet i... | 12/18/1979 |
| 4178318 | Graft polybutadiene copolymers Graft copolymers of low molecular weight aliphatic conjugated diolefin polymers of high 1,2 vinyl content with acrylic monomers including certain acrylamide monomers grafted thereon provide alkaline resistant primer compositions that may be formulated int... | 12/11/1979 |
| 4155895 | Thermotropic ink An ink composition is provided which is suitable for use on bare metal, for example, tinplate or aluminum as well as on such metals having organic coatings applied to surfaces thereof. The compositions may also be used on plastic containers or retortable ... | 05/22/1979 |
| 4131581 | Adhesive compositions consisting essentially of a vinyl alcohol polymer, a crystalline solvent and a viscosity reducing diluent Adhesives consisting essentially of polyvinyl alcohol or ethylene/vinyl alcohol copolymer, a crystalline solvent for the polymer component (such as urea, thiourea, acetamide, ammonium formate, etc.) and a viscosity reducing diluent (such as water, glycols... | 12/26/1978 |
| 4125693 | Process for the production of polyurethanes dissolved in a solvent and also their use for the production of fabricated shapes, especially of microporous structures Process for the production of polyurethanes dissolved in a solvent by mixing linear pre-adducts having terminal NCO groups dissolved in solvents with hydrazines and/or dihydrazine compounds and or diamines dissolved in solvents, for the purpose of forming... | 11/14/1978 |
| 4115372 | Novel copolyamideimides Novel solvent soluble and injection moldable copolyamideimides are disclosed that are characterized in that from about 30 percent to about 70 percent of the recurring units are ##STR1## and in the remaining 30-70 percent of the recurring units are ... | 09/19/1978 |
| 4113685 | Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals A flocculation, sedimentation, dehydration or retention composition comprising a stable dispersion of about 10 to 50% concentration by weight of a polymeric Mannich base in a mixture of water, a water-insoluble liquid and an emulsifier all present as a wa... | 09/12/1978 |
| 4107153 | Heat-resistant thermosetting polyimide resin A heat-resistant thermosetting resin composition is obtained by reaction with each other of an N,N'-bis-imide of unsaturated dicarboxylic acid (A), a cyanuric or isocyanuric acid or derivatives thereof (B), and at least one compound (C) selected from the ... | 08/15/1978 |
| 4071639 | Coating material and method A removable temporary coating material for providing scratch protection particularly for nuclear components is disclosed. The coating contains a methacrylic or acrylic/methacrylic polymer in a water vehicle. Selected surfactants, lubricants and reactive s... | 01/31/1978 |
| 4065414 | Polyion complex and polyion complex film A crosslinkable polyion complex is prepared by reacting a polycation polymer having an ethylenic double bond at a terminal position in the repeating unit of the polymer with a polyanion polymer. A polyion complex film is prepared by dissolving the crossli... | 12/27/1977 |
| 4048139 | Rendering polybenzimidazole solid materials more resistant to darkening upon exposure to light A route is provided for the formation of a polybenzimidazole solid material having an enhanced resistance to undergo the usual color darkening upon exposure to light. A minor concentration of a finely divided pigment found capable of stabilizing the backg... | 09/13/1977 |
| 4042557 | Process for preparing a high concentration of titanium dioxide slurry in dimethylacetamide or dimethylformamide A process for producing a slurry comprising dissolving a small amount of an acid selected from citric, tartaric, adipic, fumaric, and maleic in a solvent selected from dimethylacetamide and dimethylformamide wherein the amounts of solvent and titanium dio... | 08/16/1977 |
| 4039501 | Plasticized hydrophilic polymers Plasticized solid, water-insoluble, water-swellable, hydrophilic polymers having the recurring unit ##STR1## wherein R is a divalent aliphatic hydrocarbon radical of 2 to 8 carbon atoms; where R' is hydrogen or alkyl of 1 to 4 carbon atoms; preferabl... | 08/02/1977 |
| 4014834 | Aqueous solutions of polyamide acids which can be precursors of polyimide polymers High solids, low viscosity, stable aqueous solutions of polyamide acids, which are precursors of polyimide polymers, can be prepared from the polyamide acids, a tertiary amine, a coalescing agent such as N-methylpyrrolidone, and a viscosity reducing agent... | 03/29/1977 |
| 4001186 | Preparation of polyimide from organic diisocyanate with alkali metal salt of alcohol as catalyst The use of certain catalysts provide for an improved process for the preparation of soluble polyimides, polyamides, and polyamideimides. The catalysts are alkali metal salts of formula MOR, wherein R represents alkyl or aryl and M represents an alkali met... | 01/04/1977 |
| 3969301 | Polytetramethyleneether polyurethane adhesive composition A polyurethane composition which is the reaction product of (a) 4,4'-methylenebis(phenyl isocyanate), (b) tolylene diisocyanate, (c) 1,4-butanediol and (d) polytetramethyleneether glycol having a number average molecular weight of about 600-2100; the mole... | 07/13/1976 |
