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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
4578435 Method for making heterocyclic block copolymer Mar. 25, 1986
4565850 Thermoplastic composition containing nematic oligomer Jan. 21, 1986
4556696 Process to form film from blends of polycaprolactam and poly(hexamethylene adipamide) Dec. 3, 1985
4552931 Process of end-capping a polyimide system Nov. 12, 1985
4544713 Method for making heterocyclic block copolymer Oct. 1, 1985
4537947 Chain-extending functional polyimides by dipole reactions Aug. 27, 1985
4520097 Negative-type resist sensitive to ionizing radiation May. 28, 1985
4520159 Process for producing polyaminopolyamides containing halohydrin functionality May. 28, 1985
4515924 Injection moldable amide-imide polymers and copolymers containing semi-crystalline and amorphous polyamides May. 7, 1985
4511684 Flame retardant polyamides and agent for inducing flame retardancy Apr. 16, 1985
4511690 Reinforced composites Apr. 16, 1985
4504632 Amide ether imide block copolymers Mar. 12, 1985
4503285 Flexible base materials, their preparation and their use for printed circuits Mar. 5, 1985
4501861 Thermoplastic polyamide compositions Feb. 26, 1985
4497944 Process for producing polyamide-imide resin Feb. 5, 1985
4487895 Powdered mixture of polyamides for heat sealing by the powder point process Dec. 11, 1984
4486507 Transparent, shrinkable film, consisting of one or several layers Dec. 4, 1984
4483975 Copolyetheresteramides, process for their production and their use for the heat-sealing of textiles Nov. 20, 1984
4481339 Acid-extended copolyamideimides and method for their preparation Nov. 6, 1984
4477598 High strength nylon blend membranes Oct. 16, 1984
4473688 High-toughness thermoplastic polyamide composition Sep. 25, 1984
4468505 Coating composition Aug. 28, 1984
4468506 Polyetherimide blends Aug. 28, 1984
4461808 Films from nylon blends having a moisture content of 0.75 to 2.25 weight percent Jul. 24, 1984
4452965 Random elastomeric copolyesters Jun. 5, 1984
4448937 Blends of polyetherimides and block poly(esteramides) May. 15, 1984
4444958 Filled nylons Apr. 24, 1984
4442268 N-(Substituted phosphinyl) polyamides Apr. 10, 1984
4439578 Use of liquid crystal polymer particulates having a high aspect ratio in polymeric molding resins to suppress melt dripping Mar. 27, 1984
4418181 Polyimides having bis-maleimide terminal groups Nov. 29, 1983
4417031 Process for preparing graft and block copolymers Nov. 22, 1983
4417032 Quasi-random copolymers from homopolymers Nov. 22, 1983
4409373 Adhesive compositions based upon thermoplastic polyamides Oct. 11, 1983
4404317 Polyamide blends Sep. 13, 1983
4387184 Heat stable polyphase polyamide compositions and preparation thereof Jun. 7, 1983
4346200 Thermoplastic polyamide compositions Aug. 24, 1982
4343923 Process for reducing the acid dye uptake of polyamide textile materials with N-acylimidazole compound Aug. 10, 1982
4340697 Heat resistant molding resin composition Jul. 20, 1982
4334056 Method for polytropically precipitating polyamide powder coating compositions where the polyamides have at least 10 aliphatically bound carbon atoms per carbonamide group Jun. 8, 1982
4323657 Dispersions of high melting polyesters in polyhydroxyl compounds, a process for their preparation and their use in the production of polyurethanes Apr. 6, 1982
4303767 Flame retardant antistatic additives and antistatic fibers Dec. 1, 1981
4297454 Manufacture of a block copolymer containing a polyetheramide and a polylactam Oct. 27, 1981
4291154 Process for the production of polyamide silicate resinous product Sep. 22, 1981
4278779 Aromatic polyamide composition Jul. 14, 1981
4273898 Block copolymer of polyetheramide and random copolymer of polyamide and polyetheramide Jun. 16, 1981
4268432 Polyamide compositions May. 19, 1981
4245066 Wholly aromatic polyamide blend composition Jan. 13, 1981
4243777 Polypyrrolidone alloys Jan. 6, 1981
4235714 Hydrophilic polyamide film for semipermeable membranes Nov. 25, 1980
4233431 Polycondensates containing hydroxyquinoline end groups, their use for the preparation of polymers containing metals and metal containing polycondensates Nov. 11, 1980

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