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Class Information
Number: 525/432
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations > Solid polymer derived from at least one carboxylic acid or derivative > Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative > Solid polymer derived from an amino carboxylic acid or derivative; from a polyamine and a polycarboxylic acid or derivative; from at least one lactam; or from a polyamine salt of a polycarboxylic acid > Mixed with additional polycarboxylic acid and a polyamine; amino carboxylic acid or derivative; polyamine salt of a polycarboxylic acid; lactam; or polymer derived therefrom
Description: Subject matter wherein the solid polymer is mixed with a polycarboxylic acid and a polyamine, with an amino carboxylic acid, with a polyamine salt of a polycarboxylic acid, with a lactam, or with a polymer of the materials derived above.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
5639832 Preparation of products of the reaction of polyaspartimide and amino acids and the use thereof Jun. 17, 1997
5639833 Molding materials comprising polyarylene ethers and copolyamides Jun. 17, 1997
5637653 Polymer blend materials composed of an aromatic polyamide and a soluble polyamide Jun. 10, 1997
5635586 Polymers of maleic acid with amines Jun. 3, 1997
5608014 Blends of polyethersulfones with aromatic polymides, polyamides or polyamide-imides useful for making gas separation membranes Mar. 4, 1997
5599658 Photographic film-base and photographic elements Feb. 4, 1997
5591809 Process for preparing hyperbranched polymers Jan. 7, 1997
5576389 Powder coating composition Nov. 19, 1996
5571874 Method of producing molecular composite material including rigid aromatic polymer Nov. 5, 1996
5569724 N-menthylol derivatives of polycondensation products, their preparation and use Oct. 29, 1996
5565523 Polymer blends for use in making medical devices including catheters and balloons for dilatation catheters Oct. 15, 1996
5561201 Molecular composite material including aromatic polythiazole and method of producing same Oct. 1, 1996
5552518 Polymers of maleic acid with amines Sep. 3, 1996
5541267 Polyamide compositions comprising aliphatic polyamide and an aromatic polyamide oligomer having improved moisture resistance Jul. 30, 1996
5536792 Antireflective polymide dielectric for photolithography Jul. 16, 1996
5534602 High temperature polyether imide compositions and method for making Jul. 9, 1996
5530091 Process for the production of polysuccinimide or maleic amide acid Jun. 25, 1996
5527610 Elastomeric polypeptide matrices for preventing adhesion of biological materials Jun. 18, 1996
5527863 Copolymers of polyaspartic acid and polycarboxylic acids and polyamines Jun. 18, 1996
5521279 Polymers of maleic acid with amines May. 28, 1996
5519109 Moisture-curing polyamides May. 21, 1996
5519110 Polymers of maleic acid with amines May. 21, 1996
5516855 Amide-ester copolymers and process for the preparation thereof May. 14, 1996
5512368 Fibers reinforced with inorganic whiskers Apr. 30, 1996
5506311 Polyimides, process for the preparation thereof and polyimide resin compositions Apr. 9, 1996
5504157 Homogeneous polymer blends comprising rigid rod shaped polymers and flexible polymers Apr. 2, 1996
5494995 Copolymers of polysuccinimide and polycarboxylic acids and polyamines Feb. 27, 1996
5492979 Tough, processable simultaneous semi-interpenetrating polyimides Feb. 20, 1996
5492980 Thermoplastic molding resin composition Feb. 20, 1996
5491201 Mesogenic cyclic imino ether-containing compositions and polymerization products thereof Feb. 13, 1996
5488088 Process for the preparation of copolymers of polysuccinimide Jan. 30, 1996
5484860 Process for the preparation of copolymers of polyaspartic acids Jan. 16, 1996
5480944 Interpenetrating blends of linear polymers and compatible fractal polymers Jan. 2, 1996
5480945 Amorphous nylon copolymer and copolyamide films and blends Jan. 2, 1996
5478887 Blends of polycarbonates with polyamides, having high impact strength and high flexural modulus Dec. 26, 1995
5478918 Low stress polyimide composition and precursor composition solution of same Dec. 26, 1995
5473010 Polyimide based resin composition Dec. 5, 1995
5470922 Polyimide polymeric blends Nov. 28, 1995
5470921 Synthetic polyamides and their salts Nov. 28, 1995
5466761 Nylon alloys Nov. 14, 1995
5466761 Nylon alloys Nov. 14, 1995
5464927 Polyamic acid and polyimide from fluorinated reactant Nov. 7, 1995
5459195 Polyamide pigment dispersion Oct. 17, 1995
5459230 Copolyamide melt adhesives for heat sealing textiles Oct. 17, 1995
5457144 Degradable polyamides Oct. 10, 1995
5438105 Polyamic acid composite, polyimide composite and processes for producing the same Aug. 1, 1995
5434223 Nylon 4.6 block copolymers Jul. 18, 1995
5434222 Process for the preparation of polycondensates Jul. 18, 1995
5422420 Terpolyamides and multipolyamides containing amide units of 2-methylpentamethylenediamine and products prepared therefrom Jun. 6, 1995
5416171 Blending compositions of polyamides and block copolyetheramides May. 16, 1995

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