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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 |
| 6800725 |
Process for removing hydrogenation catalyst residue from hydrogenated polymers |
Oct. 5, 2004 |
| 6800724 |
Materials for optical applications |
Oct. 5, 2004 |
| 6794487 |
Method for stabilizing fluorine-containing polymer |
Sep. 21, 2004 |
| 6790932 |
Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE |
Sep. 14, 2004 |
| 6787632 |
Organo-titanate catalysts for preparing pure macrocyclic oligoesters |
Sep. 7, 2004 |
| 6787615 |
Synthesis of oligomeric poly(silarylene-siloxane-acetylene)'s and their conversion to high temperature plastics, elastomers, and coatings |
Sep. 7, 2004 |
| 6787191 |
Coating composition for the production of insulating thin films |
Sep. 7, 2004 |
| 6780966 |
Coagulation process of PTFE fine powders |
Aug. 24, 2004 |
| 6780965 |
Plastic lens |
Aug. 24, 2004 |
| 6737499 |
Process for the production of polyamide |
May. 18, 2004 |
| 6734282 |
Method and device for separating solids from polymer solutions |
May. 11, 2004 |
| 6727345 |
Continuous production process for water-absorbent resin powder and powder surface detector used therefor |
Apr. 27, 2004 |
| 6723829 |
Heterophasic copolymers |
Apr. 20, 2004 |
| 6703478 |
Polyester continuous production process |
Mar. 9, 2004 |
| 6703519 |
Poly (ethynylene phenylene ethynylene silylene)s and method for preparation thereof |
Mar. 9, 2004 |
| 6699962 |
Process and device for extracting polyamide |
Mar. 2, 2004 |
| 6699963 |
Grinding process for plastic material and compositions therefrom |
Mar. 2, 2004 |
| 6670411 |
Process for devolatilizing an acrylic resin and process for preparing a powder coating composition |
Dec. 30, 2003 |
| 6670445 |
Curable compounds, curable resin compositions containing the same and methods of easily disassembling cured materials |
Dec. 30, 2003 |
| 6657040 |
Method for the continuous production of polybutylene terephthalate from terephthal acid and butane diole |
Dec. 2, 2003 |
| 6632918 |
Method of reclaiming crosslinked rubber |
Oct. 14, 2003 |
| 6620906 |
Method for the production of highly pure polycarbonate and ultrapure polycarbonate |
Sep. 16, 2003 |
| 6613870 |
Acrylate hot melt-based self-adhesive composition |
Sep. 2, 2003 |
| 6593449 |
Method for producing polybenzimidazole sintered compact |
Jul. 15, 2003 |
| 6580015 |
Absorbent composition including an uncrosslinked polymer |
Jun. 17, 2003 |
| 6555648 |
Tetrafluoroethylene products with enhanced crystallinity and processes for producing the same |
Apr. 29, 2003 |
| 6552100 |
Postcure treatment for reaction injection molded polyurethanes |
Apr. 22, 2003 |
| 6548628 |
Process for producing a film or layer |
Apr. 15, 2003 |
| 6534619 |
Method for evaporating polymer solutions of thermoplastic polymers |
Mar. 18, 2003 |
| 6528617 |
Process for producing aliphatic polyester excellent in stability |
Mar. 4, 2003 |
| 6528614 |
Process for the production of polyamide-6 from epsilon-caprolactam |
Mar. 4, 2003 |
| 6525171 |
Process for producing a polycarbonate and method of cleaning a production unit |
Feb. 25, 2003 |
| 6506872 |
Polycyanoaryl ether and method for production thereof |
Jan. 14, 2003 |
| 6489373 |
Method for decomposition and recovery of polyurethane resin |
Dec. 3, 2002 |
| 6479625 |
Mechanical stress crystallization of thermoplastic polymers |
Nov. 12, 2002 |
| 6476181 |
Increased volatile removal during solid phase processing of nylon 6 by temperature programming |
Nov. 5, 2002 |
| 6458921 |
Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule |
Oct. 1, 2002 |
| 6455664 |
Crystalline polyester resins and process for their preparation |
Sep. 24, 2002 |
| 6451966 |
Method for increasing solid state polymerization rate |
Sep. 17, 2002 |
| 6441129 |
High temperature solid state polymerization of poly (trimethylene terephthalate) |
Aug. 27, 2002 |
| 6437091 |
Pulse continuous curing of poly(arylene sulfide) polymers |
Aug. 20, 2002 |
| 6433133 |
Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products |
Aug. 13, 2002 |
| 6429284 |
Method for treating flame retardant resin composition |
Aug. 6, 2002 |
| 6423428 |
Conjugated copolymers for use in luminescent devices |
Jul. 23, 2002 |
| 6420516 |
Finishing design to increase the polymer content in an olefin solution polymerization process |
Jul. 16, 2002 |
| 6420510 |
Aliphatic, low-emission thermoplastic polyurethane molding materials suitable for sintering |
Jul. 16, 2002 |
| 6417266 |
Process for preparing aliphatic polyester |
Jul. 9, 2002 |
| 6403718 |
Method for the production of a powder of an elastic material |
Jun. 11, 2002 |
| 6392005 |
Manufacturing method for decreasing the cyclic oligomer content in polyester |
May. 21, 2002 |
| 6376647 |
Fluoropolymer powder and process for preparing the same |
Apr. 23, 2002 |
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