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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:
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Patent Number Title Of Patent Date Issued
5264544 Amorphous polyamide composition from neopentyl diamine Nov. 23, 1993
RE34447 Crystalline polyamide composition from dicarboxylic acid mixture and diamine Nov. 16, 1993
5258470 Molding compounds based on aromatic polyamides Nov. 2, 1993
5254361 Method for producing printed circuit boards Oct. 19, 1993
5254625 Light-absorbing polymers Oct. 19, 1993
5252647 Thermoplastic moulding materials based on polyphenylene ethers and polyamides Oct. 12, 1993
5252661 Impact modifying rubber and partly aromatic copolyamides Oct. 12, 1993
5250604 Glass fiber reinforced polyamide composition and the process for manufacturing the same Oct. 5, 1993
5250633 Fibers and fibrets from blends of polybezimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkages Oct. 5, 1993
5250619 Process for the preparation of high molecular weight polyamides Oct. 5, 1993
5248759 Method of producing aromatic heterocyclic copolymer and molecular composite material containing same Sep. 28, 1993
5248738 Vibration-damping resin molded products formed of a mixture of nylon 6 resin, a xylene diamine based nylon resin, and a nylon 66 resin Sep. 28, 1993
5248711 Toughened resin systems for composite applications Sep. 28, 1993
5247068 Polyamino acid superabsorbents Sep. 21, 1993
5244984 Process for producing polymer powder Sep. 14, 1993
5243024 High moduli polyimides Sep. 7, 1993
5242992 Polyamide molding compound Sep. 7, 1993
5241018 Terminal-modified imide oligomer composition Aug. 31, 1993
5225489 Composites of thermoplastic and thermoplastic polymers having therein short fibers derived from anisotropic polymers Jul. 6, 1993
5223196 Processing of pigmented nylon fibers using modified polymers Jun. 29, 1993
5223588 In-situ composites Jun. 29, 1993
5219953 Catalytic preparation of semi-aromatic copolyamides and copolyester-amides Jun. 15, 1993
5217809 Shaped articles containing copolymers of polybenzazoles Jun. 8, 1993
5212258 Aramid block copolymers May. 18, 1993
5212257 Aramid block copolymers May. 18, 1993
5206309 Heat stable film composition comprising polyepsiloncaprolactam Apr. 27, 1993
5206310 Polyamide resin composition Apr. 27, 1993
5202412 Polyimide copolymer precursors Apr. 13, 1993
5198507 Synthesis of amino acid-derived bioerodible polymers Mar. 30, 1993
5198551 Polyamide thermosets Mar. 30, 1993
5183864 Polyamide blends by reactive processing Feb. 2, 1993
5179175 Polyamides from polyetheramines, hexamethylene diamine and adipic acid Jan. 12, 1993
5171828 Copolyimide ODPA/BPDA/4,4'-ODA or P-PDA Dec. 15, 1992
5168108 Glass fiber reinforced nylon compositions comprising poly(amide-ether) block copolymer Dec. 1, 1992
5168011 Interpenetrated polymer fibers Dec. 1, 1992
5166309 Block polyetheramides Nov. 24, 1992
5166246 Polyetherimide-polyamide compositions Nov. 24, 1992
5166278 Process for modifying polyamide dyeability using co-fed polyamide flake Nov. 24, 1992
5164475 Porous substrates with a high concentration of amine groups Nov. 17, 1992
5162454 Polyamide-polyimide block copolymers Nov. 10, 1992
5159029 Tough high performance composite matrix Oct. 27, 1992
5157085 Polyimide resin composition Oct. 20, 1992
5155179 Miscible blends of polyimide polymers Oct. 13, 1992
5155178 Antistain block copolymer compositions of modified nylon copolymers and high carbon nylons Oct. 13, 1992
5153275 Polyamide compositions comprising poly(amide-ether) block copolymers featuring improved impact strength and improved film properties Oct. 6, 1992
5151472 Method of preparing rigid rod polymers in thermoplastic matrices Sep. 29, 1992
5149746 Semi-interpenetrating polymer network for tougher and more microcracking resistant high temperature polymers Sep. 22, 1992
5147944 Polyamide resin, and polyamide resin compositions Sep. 15, 1992
5145916 Terminal-modified imide oligomer composition Sep. 8, 1992
5143983 Heat resistant polyamide film Sep. 1, 1992

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