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| Number | Title | Issue Date |
| 7417110 | Biodegradable polyphosphoramidates for controlled release of bioactive substances The present invention is directed to a series of new polycationic biodegradable polyphosphoramidates. Process for making the polymers, compositions containing these polymers and bioactive ligands to enhance the cellular uptake ad intracellular trafficking, articles ... | 08/26/2008 |
| 7199212 | Polymerization catalyst for polyesters, polyesters produced with the same and process for producing polyesters A novel polymerization catalyst for polyesters, which does not contain any germanium or antimony compound as the main component; polyesters produced with the catalyst; and a process for producing polyesters. This polymerization catalyst is excellent in catalytic act... | 04/03/2007 |
| 7141614 | Photosensitive resin composition and photosensitive films and laminates made by using the same A photosensitive resin composition of the present invention contains a (A) soluble polyimide and a (b) (meth)acrylic compound, the (A) soluble polyimide being soluble in an organic solvent and being synthesized by using an acid dianhydride component and at least one... | 11/28/2006 |
| 6936684 | Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): wherein n stands for an integer of from 1 to 8, Zn− represents an n-valent anion of an activ... | 08/30/2005 |
| 6528559 | Crosslinked phenoxyphosphazene compounds, process for the preparation thereof, flame retardants, flame-retardant resin compositions, and moldings of flame-retardant resins This invention provides a halogen-free flame retardant which advantageously has a high melting point and a low volatility and does not impair the inherent properties of resins. The flame retardant of the invention is a phosphazene compound crosslinked wit... | 03/04/2003 |
| 6291618 | Phosphazene azide coupling agents and their use in rheology modification of polymers The present invention relates to cyclic phosphazene azides and their use in a process for producing a rheology modified polymer which comprises contacting a polymer with a cyclic phosphazene azide at a temperature which is at least the decomposition tempe... | 09/18/2001 |
| 6025426 | Process for preparing hydrophilic dispersion polymers for treating wastewater Hydrophilic cationic copolymers of acrylamide are prepared as dispersions in a salt media. These polymers have high molecular weights and are readily activated by diluting in water. These polymers are useful flocculants for such applications as sludge dew... | 02/15/2000 |
| 5466512 | Flame retardant organosilicon polymer composition, process for making same, and article produced therefrom Disclosed are flame retardant organosilicon compositions, wherein the organosilicon compositions comprise residues derived from (a) polycyclic polyene compounds and (b) residues derived from cyclic polysiloxanes, tetrahedral siloxysilanes and linear poly(... | 11/14/1995 |
| 5466728 | Flame retardant organosilicon polymer composition, process for making same, and article produced therefrom Disclosed are flame retardant organosilicon compositions, wherein the organosilicon compositions comprise residues derived from (a) polycyclic polyene compounds and (b) residues derived from cyclic polysiloxanes, tetrahedral siloxysilanes and linear poly(... | 11/14/1995 |
| 5438093 | Modified polycycloolefins Solution and RIM polymerization of cycloolefins containing at least one norbornene moiety is carried out in the presence of a methathesis catalyst system and an activator, particularly a chlorosilane activator, to obtain faster reaction with higher conver... | 08/01/1995 |
| 5418282 | Method of manufacturing fire-resistant resin foam and wood particle boards or shaped bodies In the manufacture of synthetic foams and also especially in that of timber materials using urea-formaldehyde condensate binders, the mol ratio between urea and formaldehyde is decisive for the resultant final rigidity and the presence of free gaseous for... | 05/23/1995 |
| 5298536 | Flame retardant organosilicon polymer composition, process for making same, and article produced therefrom Disclosed are flame retardant organosilicon compositions, wherein the organosilicon compositions comprise residues derived from (a) polycyclic polyene compounds and (b) residues derived from cyclic polysiloxanes, tetrahedral siloxysilanes and linear poly(... | 03/29/1994 |
| 5214120 | Dope for forming elastic polyurethane articles and process for producing said articles A dope for forming elastic polyurethane articles is prepared by using a polyol, a diisocyanate and a diamine. A solvent and a terminating agent comprising a secondary monoamine and a ketoimineamine and/or an aldoimine-amine may also be employed.... | 05/25/1993 |
| 5151494 | Flame resistant, low pilling polyester fiber The invention is a polyester and a method for producing a polyester filament which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester polymer from a mixture consisting essentially of terephthalate ac... | 09/29/1992 |
| 5145941 | Flame resistant, low pilling polyester fiber The invention is a polyester and a method for producing a polyester fiber which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester fiber made from a blend of two polyester polymers, one polyester pol... | 09/08/1992 |
| 5071908 | Silicon polyimide precursor composition The present invention is directed to a silicon polyimide precursor composition which has a viscosity suitable for the formation of films by application or another mean and which is capable of forming hard and tough films having excellent heat resistance, ... | 12/10/1991 |
| 4861838 | Process for production of quasi-random copolymers from homopolymers A process for forming random copolymers which comprises forming a polymer melt containing one or more polyamides and one or more acidic or basic inorganic materials, such as ammonium bisulfate, ammonium biphosphate and sodium biphosphate; and heating said... | 08/29/1989 |
| 4607077 | Phosphazene flame retardants for reaction injection molded poly(dicyclopentadiene) Poly(dicyclopentadiene) made with an olefin metathesis catalyst system by a Reaction Injection Molding process is improved by adding flame retardant compounds.... | 08/19/1986 |
| 4607057 | Process for the preparation of beads of copolymers bearing reactive groups, by polymerization in suspension in a non-aqueous medium The present invention relates to a process for the preparation of beads of copolymers bearing reactive groups, by polymerization in suspension in a non-aqueous medium. According to the invention a free radical polymerization is effected of at least two un... | 08/19/1986 |
| 4540738 | Acrylic adhesive composition comprising an alpha amino phosphonic acid or salt having improved stability The present invention comprises an acrylic adhesive composition having improved stability comprising polymerizable acrylic monomers in combination with polymerization initiators therefor; the improvement further comprises incorporating in the homogenous m... | 09/10/1985 |
| 4513114 | Polyester composition A polyester composition with an excellent high-speed melt-spinning property, comprising (A) 100 parts by weight of a matrix polyester resin comprising at least 80 molar % of an ethylene terephthalate recurring unit, and (B) 0.2 to 7 parts by weight of a disper... | 04/23/1985 |
| 4496685 | Adhesive composition An adhesive composition comprising an alpha-cyanoacrylate monomer and a phosphazene compound incorporated therein and improved in storage stability without deterioration of the adhesion rate and the adhesive strength.... | 01/29/1985 |
| 4451609 | Flame-retarded acoustic diaphragm A flame-retarded speaker diaphragm is prepared by making a cone from cellulose fibers, impregnating the cellulosic cone with a solution of a trimethylol melamine monomer, an organic phosphorus- and nitrogen-containing compound, and a trialkyl amine cataly... | 05/29/1984 |
| 4428977 | Ammonium salt of partially emidized polyamide acid for aqueous coating composition A water soluble composition including an amine or ammonium salt of a polyimide precursor which is obtained by the reaction steps of: reacting a tetracarboxylic compound and a diamine in about equimolar amounts in a water miscible organic solvent to obtain... | 01/31/1984 |
| 4389521 | Process for preparing a cyclic amide polar solvent composition An aromatic and/or heterocyclic polyamide-amide type polar solvent composition is prepared by prepolymerizing an aromatic or heterocyclic diamine with an aromatic or heterocyclic or heterocyclic dicarboxylic acid chloride in a smaller molar equivalent tha... | 06/21/1983 |
| 4313862 | Process for gelation of polymeric solution (C-1042) The present invention relates to a process for forming a polymeric solution or gel having a viscosity of at least about 50,000 cps which includes the steps of dissolving an unneutralized or neutralized sulfonated polymer in a solvent to form a solution, a... | 02/02/1982 |
| 4124557 | Polyphosphazene plasticized resins Flame-retardant and low-smoke plasticized polyphosphazenes are disclosed. The plasticizers are substituted cyclotriphosphazenes and cyclotetraphosphazenes.... | 11/07/1978 |
| 4073788 | Partially imidized polyamide-acid polymers, aqueous coating compositions, coated wire and method, and partially imidized intermediate The process for producing polyamide acid and polyimide polymers for use as coating materials by reacting an aromatic dianhydride reactant with an aromatic diamine reactant to produce a polyamide acid polymer wherein said reactants are present in approxima... | 02/14/1978 |
| 3943095 | Acid dyeable yarn from polyamide having N,N'-di (3-aminopropyl)piperazine moiety units Yarns of good color characterized by a high capability of being deeply dyed with acid dyes are spun from copolyamides having a relative viscosity of 35-75, an amine end concentration of 35-80 gram equivalents per 106 grams of polymer and a defi... | 03/09/1976 |
| 3936421 | Process of preparing polytetramethylene terephthalate A process for preparing a polyester predominantly comprised of the units derived from terephthalic acid and butanediol-1,4 is provided. The esterification or transesterification is performed in the presence of minor amounts of a catalyst combination compr... | 02/03/1976 |
