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Class Information
Number: 528/481
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Treating polymer containing material or treating a solid polymer or a resinifiable intermediate condensation product > Treating at o deg c (32 deg f) or below, or at 200 deg c (392 deg f) or above
Description: Processes wherein a polymer or a polymer-containing material is cooled to 0°C (32°F) or less, or is heated to a temperature of 200°C (392°F) or higher.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4377684 |
Decolorization of polycarbonate resins |
Mar. 22, 1983 |
| 4376196 |
Arylene sulfide polymer purification |
Mar. 8, 1983 |
| 4374977 |
Poly-p-phenylene-terephthalamide fibers excellent in fatigue resistance and process for preparation thereof |
Feb. 22, 1983 |
| 4373091 |
Arylene sulfide polymer purification |
Feb. 8, 1983 |
| 4373092 |
Method of process control for thermosetting resins having addition-type reactions |
Feb. 8, 1983 |
| 4369278 |
Resin composition for injection molding and method for producing the same |
Jan. 18, 1983 |
| 4366306 |
Melt polymerization of .epsilon.-caprolactam |
Dec. 28, 1982 |
| 4362852 |
Devolatilizing molten polymer with a rotary disk processor |
Dec. 7, 1982 |
| 4357464 |
Removal of 2-isopropenyl-2-oxazoline monomer |
Nov. 2, 1982 |
| 4355140 |
Borane reducing resins |
Oct. 19, 1982 |
| 4351925 |
Process for the thermal stabilization of acrylic fibers and films |
Sep. 28, 1982 |
| 4337332 |
Latently curable organosilicone compositions |
Jun. 29, 1982 |
| 4332932 |
Method for producing a rubber melt in a temperature-controlled screw extruder |
Jun. 1, 1982 |
| 4332700 |
Method for separating rubber from metal |
Jun. 1, 1982 |
| 4311810 |
Block copolymers of propylene and 4-methyl-1-pentene |
Jan. 19, 1982 |
| 4311811 |
Borane reducing resins |
Jan. 19, 1982 |
| 4311812 |
Borane reducing resins |
Jan. 19, 1982 |
| 4305850 |
Process for decomposing vulcanized rubber |
Dec. 15, 1981 |
| 4286082 |
Absorbent resin composition and process for producing same |
Aug. 25, 1981 |
| 4274984 |
Chemically reducing residual styrene monomer in styrene polymers and shaped products formed therefrom |
Jun. 23, 1981 |
| 4273919 |
Method for producing polylaurolactam powder compositions for the coating of metals at high temperatures and their use in the manufacture of pigmented powders by the dry-blend process |
Jun. 16, 1981 |
| 4272618 |
Heat stable reaction injection molded elastomers |
Jun. 9, 1981 |
| 4246370 |
Use of novel polymers of alkyl acrylates |
Jan. 20, 1981 |
| 4246390 |
Molding powder of ultra-high molecular weight polyethylene and process for its preparation |
Jan. 20, 1981 |
| 4238593 |
Method for production of a high molecular weight polyester prepared from a prepolymer polyester having an optimal carboxyl content |
Dec. 9, 1980 |
| 4226973 |
Process for upgrading prepolymer particles |
Oct. 7, 1980 |
| 4224433 |
Thermotropic polyesters of 2,6-dihydroxyanthraquinone |
Sep. 23, 1980 |
| 4223128 |
Process for preparing polyethylene terephthalate useful for beverage containers |
Sep. 16, 1980 |
| 4221905 |
Chemically reducing residual styrene monomer in styrene polymers and shaped products formed therefrom |
Sep. 9, 1980 |
| 4220511 |
Treatment of sintered poly-tetrafluoroethylene with irradiation and heat to produce a grindable material |
Sep. 2, 1980 |
| 4207408 |
High tenacity phenolic resin fibers |
Jun. 10, 1980 |
| 4200721 |
Heat resistant polymers of oxidized styrylphosphine |
Apr. 29, 1980 |
| 4200602 |
Method for producing filaments of high tenacity |
Apr. 29, 1980 |
| 4195158 |
Process for the preparation of granular oxymethylene polymers having improved mechanical properties |
Mar. 25, 1980 |
| 4195169 |
Devolatilizing polymers of styrene and acrylic or methacrylic acid |
Mar. 25, 1980 |
| 4186258 |
Substantially amorphous polyolefins useful as pressure-sensitive adhesives |
Jan. 29, 1980 |
| 4182853 |
Process of breaking up gel of polyamide-imide |
Jan. 8, 1980 |
| 4182851 |
Process for reducing the residual monomer content in the polymerization of vinyl-lactams and vinyl esters |
Jan. 8, 1980 |
| 4181788 |
Process for the production of thermoplastic molding materials based on vinyl polymers |
Jan. 1, 1980 |
| 4180486 |
Molding compositions and process for preparing same |
Dec. 25, 1979 |
| 4173606 |
Method of manufacturing shaped articles from crystalline acrylonitrile polymers and copolymers |
Nov. 6, 1979 |
| 4167620 |
Method for heat treating shaped articles of amide-imide or amic acid polymers |
Sep. 11, 1979 |
| 4164531 |
Injection molding of ultra high molecular weight polyethylene |
Aug. 14, 1979 |
| 4148982 |
Thermal modification method for fluoroelastomers |
Apr. 10, 1979 |
| 4145526 |
Process for depolymerizing hydroxycarboxylic polymers |
Mar. 20, 1979 |
| 4143858 |
Substantially amorphous polyolefins useful as pressure-sensitive adhesives |
Mar. 13, 1979 |
| 4143188 |
Use of aqueous resin solutions as binders and impregnating agents |
Mar. 6, 1979 |
| 4142040 |
Processing polyesters to minimize acetaldehyde formation |
Feb. 27, 1979 |
| 4138541 |
Self-curing copolymers containing both hydroxyamide functions and carboxy or anhydride functions, and compositions |
Feb. 6, 1979 |
| 4136084 |
Molecular-weight modification of polyphosphazenes |
Jan. 23, 1979 |
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