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| Number | Title | Issue Date |
| 6018059 | (Benzofuran) naphthopyrans, the compositions and (co)polymer matrices containing them The present invention has for subjects novel compounds of the [benzofuran]naphthopyran type as well as the compositions and (co)polymer matrices containing them. Said compounds possess interesting photochromic properties.... | 01/25/2000 |
| 5514730 | Radiation-curable acrylate/silicone pressure-sensitive adhesive compositions The present invention provides a radiation curable vinyl-silicone pressure-sensitive adhesive composition which combines the advantages of silicone and acrylate pressure-sensitive adhesives and which does not experience gross phase separation problems. Th... | 05/07/1996 |
| 5153273 | Amphiphilic macromonomer having polyethyleneimine derivative chain and production process thereof, as well as graft polymer having amphiphilic polyethyleneimine derivative chain as a graft chain and production process thereof A (meth)acrylic or styryl macromonomer having a amphiphilic polyethyleneimine derivative chain represented by the general formula: ##STR1## and a production process for the monomer, as well as a graft polymer having a amphiphilic polyethyleneimine de... | 10/06/1992 |
| 5132395 | Polyimide resins prepared by addition reactions Polyimides having a high thermal and oxidative stability are prepared by reacting a mixture of monomers comprising (a) a dialkyl, trialkyl, or te This invention was made with Government support under F33615-88-C-5409 awarded by the Department of the Air force.... | 07/21/1992 |
| 5109075 | Comb-shaped graft copolymers of allyl terminated macromolecular monomers of polyethers A copolymer of an olefinically unsaturated monomer and an allylically headed macromolecular monomer ("macromer") of a ring-openable cyclic ether ("CE") is prepared as a comb-shaped graft copolymer of macromer. A wide variety of olefinically unsaturated mo... | 04/28/1992 |
| 4992518 | Polymers obtained by heating allybicyclo[2.2.1]hept-5-ene-2-carboxylic acid amides for between 6 and 60 hours at 150°-300° C. The present invention relates to amides of formula I ##STR1## wherein R1, R2 and R3 are each independently hydrogen or methyl, m is 1 to 5 and n is 1 to 5 and R4 is --NH2 or is derived from a mon... | 02/12/1991 |
| 4910268 | Acryl type macromonomer having a polyethyleneimine derivative chain and process for producing the same, as well as graft polymer having a polyethyleneimine derivative chain as the graft chain and process for producing the same An acryl type macromonomer having a polyethyleneimine derivative chain represented by the general formula: ##STR1## where R1 represents H or CH3, R2 represents H or (substituted) alkyl or aryl group, R3 rep... | 03/20/1990 |
| 4818792 | Stabilized high solids low Ig copolymer nonaqueous dispersion for clear coat finishes A high solids, stable, nonaqueous dispersion, comprising a low Tg copolymer, having a Tg between about -10° C. and about 30° C., particularly adapted for use as a clear coat automotive finish. The copolymer is the copolymerization product of monomers wh... | 04/04/1989 |
| 4806596 | Homogeneous thermoset copolymers Homogeneous thermoset copolymers which may be used in the preparation of laminates for circuitry boards will comprise a poly(vinyl benzyl ether) of a polyphenol and a polyalkadiene in which the alkadiene monomer will contain from 3 to about 8 carbon atoms... | 02/21/1989 |
| 4760152 | Pyrrolidonyl acrylate block polymers (1) Pyrrolidonyl acrylate block polymers having the formula ##STR1## wherein n has a value of 1 to 3; X and X' are dissimilar and each is hydrogen or methyl; y and z each have a value of from 1 to 40, except that at least one of y and z is greater th... | 07/26/1988 |
| 4757120 | Polyimide/aromatic sulfone resin blends and prepegs coated therewith Polyimide polymers which are reaction products of active methylene compounds and N,N'-bismaleimide derivatives are improved by incorporating them with 2 to 15% by weight of a polyethersulfone polymer. The polymer blend is useful in producing films, moldin... | 07/12/1988 |
| 4749592 | Grouting composition A grouting composition for sealing structures to inhibit water leakage therethrough and for stabilizing soil is provided. The composition is provided as a two-part system. Part A is an aqueous solution of a hydrophililc, water soluble prepolymer having a ... | 06/07/1988 |
| 4677156 | Easily flowable, impact resistant polyamides Easily flowable, impact resistant polyamide moulding composition containing from 0.5 to 10%, by weight, of polyethers preferably modified with (meth)acrylate or primary amino end groups or of polyesters preferably containing (meth)acrylate end groups.... | 06/30/1987 |
| 4561950 | Post-formable radiation-curing coatings Radiation curable, post-formable liquid coating compositions which cure on radiation exposure to provide coatings which resist exterior exposure are disclosed. These comprise: (1) a silicone dicarbinol diurethane diacrylate or dimethacrylate in which the ... | 12/31/1985 |
| 4548860 | Adhesive interlining An adhesive interlining is described comprising randomly oriented constituent fibers and an adhesive for adhering the interlining to an article of clothing, wherein at least about 40% by weight of the fibers are heat softening fibers having a softening te... | 10/22/1985 |
| 4448815 | Multi-component solventless silicone release coating system The present invention provides a method for preparing a precious metal catalyzed, heat curable silicon release coating composition. Also, there is provided an article of manufacture for packaging the ingredients necessary to practice the method of the inv... | 05/15/1984 |
| 4447580 | Resin composition, coating material comprising said resin composition and method for forming coatings A resin composition comprising (A) a polymer having, in the molecule, at least two groups represented by the following structural formula (I): ##STR1## wherein R1 is isopropyl, sec-butyl, tert-butyl, a C5-20 alkyl group, a C | 05/08/1984 |
| 4364809 | Method for preparing cured rubbery products of organopoly-siloxanes There is disclosed a method for preparing a rubbery cured product of an organopolysiloxane. This product is free from the problems caused by the limited crosslinking velocity or by the necessity of admixing a foreign material such as a crosslinking cataly... | 12/21/1982 |
| 4287323 | Addition polymerizable polyethers having pendant ethylenically unsaturated urethane groups Addition polymerizable polyethers having pendant ethylenically unsaturated urethane groups are usefully employed as flooring materials and in other applications utilizing radiation curable or chemically curable materials. Such urethane polyethers are adva... | 09/01/1981 |
| 4277582 | Water-insoluble hydrophilic copolymers A water-insoluble hydrophilic gel comprising: (A) about 30 to about 90% of a hydrophilic (a) polymer of identical or different watersoluble mono-olefinic monomers, or (b) copolymer of said watersoluble monomers with 1 to 70% of water-insoluble, identical ... | 07/07/1981 |
| 4276135 | Photocurable organopolysiloxane compositions A novel photocurable organopolysiloxane composition is proposed capable of giving a cured product having a very high anti-moisture resistance even at an elevated temperature to withstand a treatment in boiling water for 1 hour or longer without coming off... | 06/30/1981 |
| 4276352 | Reinforced composites containing unsaturated polyimide resins Fibrous-reinforced composites, such as prepregs and sheet moulding compounds, are made with a thermosettable unsaturated polyimide resin, a photopolymerizable compound, and a heat-activated curing agent for the resin. Fibers may be impregnated with a liqu... | 06/30/1981 |
| 4224427 | Process for preparing hydrogels as spherical beads of large size The disclosure describes an improved process for the preparation of uniform, spherical beads of up to 5 mm diameter of a crosslinked, water-insoluble hydrogel by suspension polymerization in a concentrated aqueous salt solution of 95-30% by weight of a mo... | 09/23/1980 |
| 4168360 | Polymerization products of vinyl-terminated polyimide derivatives Novel, unsaturated polyimide-polyester polymerization products and processes for their preparation are disclosed herein. The polyimide-esters from which the polymerization products are derived are derivatives of anhydride-terminated aromatic polyimides, f... | 09/18/1979 |
| 4080484 | Photocurable imidizable polyene-polythiol compositions, method of coating therewith and coated articles This invention relates to polyenes containing at least two ethylenically unsaturated bonds per molecule formed by reacting in substantially stoichiometric amounts, (1) a primary diamine, (2) a member of the group consisting of a benzenoid-containing dianh... | 03/21/1978 |
| 4060515 | Chain-extending nitrile end-capped polyimides Aromatic polyimides with nitrile end groups are chain-extended (molecular weight increased) by polymerization using Lewis acid salts as catalyst. Molecular weights are increased with little or no by-product formation. These polyimides can be shaped and fo... | 11/29/1977 |
| 4058505 | Chain-extending amine end-capped polyimides Aromatic polyimides with amine end groups are chain-extended (molecular weight increased) by reacting them with aromatic di- or tri- anhydrides. The reaction can either be at a temperature above the melting point of the reactants or in solvents for the re... | 11/15/1977 |
| 4026833 | Chain-extending polyimides with aromatic polyisocyanates Aromatic polyimides with anhydride end groups are chain-extended (molecular weight increased) by reacting them with aromatic polyisocyanates such as tolylene-2,4-diisocyanate. These polyimides can be shaped and formed prior to chain-extending. Thermally s... | 05/31/1977 |
| 4026871 | Chain-extending phenolic end-capped polyimides Aromatic polyimides with phenolic end groups are chain-extended (molecular weight increased) by reacting them with formaldehyde, compounds capable of generating formaldehyde under the reaction conditions or hexamethylene tetramine in the presence of a cat... | 05/31/1977 |
| 4003961 | Linear copolymers of glycidol Linear copolymers of glycidol, glycidyl esters of unsaturated fatty acids and, optionally, alkylene oxides, are made by the reaction of an unsaturated fatty acid with a polymer or copolymer of tert.-butyl glycidyl ether in the presence of an acid catalyst... | 01/18/1977 |
| 3998786 | Process for preparing aromatic polyimides, polyimides prepared thereby A process for preparing substantially completely cyclized aromatic polyimides, either monomeric, oligomeric or polymeric, is provided. The process involved the reaction of a mixture of at least one tetracarboxylic acid dianhydride and at least one aromati... | 12/21/1976 |
| 3992355 | Heat-curable organopolysiloxane compositions Heat-curable organopolysiloxane compositions comprising a diorganopolysiloxane having at least two vinyl groups per molecule and a viscosity exceeding 100 centistokes at 25° C, an inorganic filler, an organohydrogenpolysiloxane containing at least two Si... | 11/16/1976 |
| 3979350 | ,ଲ-UNSATURATED SCHIFF-BASE CHAIN EXTENSION REACTIONS FOR POLYIMIDES AND POLYAMIDE-IMIDES This invention provides compositions containing thermally stable prepolymers with azadiene end groups, and compositions containing such prepolymers in combination with dienophiles and the chain-extended and cross-linked polymers obtained from these system... | 09/07/1976 |
| 3932555 | Silicone elastomers A reinforced silicone elastomer formed from 95% to 20% by weight of a cross-linkable poly(organo siloxane) and from 5% to 80% by weight of a polymerisable ethylenically unsaturated material by cross-linking a substantial proportion of the poly(organosilox... | 01/13/1976 |
