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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 |
| 4692507 |
Propylene-base random copolymer particles and production process thereof |
Sep. 8, 1987 |
| 4692371 |
High temperature method of making elastomeric materials and materials obtained thereby |
Sep. 8, 1987 |
| 4677025 |
Unique molecular weight distribution polybutylene blend and film |
Jun. 30, 1987 |
| 4675380 |
Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them |
Jun. 23, 1987 |
| 4670520 |
Method for modifying polyfumaric acid diester |
Jun. 2, 1987 |
| 4632977 |
Method of plasticizing thermoplastic polymers |
Dec. 30, 1986 |
| 4626587 |
Extrusion finishing of perfluorinated copolymers |
Dec. 2, 1986 |
| 4626588 |
Conjugated polymer film and pyrolyzed product thereof |
Dec. 2, 1986 |
| 4604453 |
Polyester composition |
Aug. 5, 1986 |
| 4602082 |
Propylene-base random copolymer particles and production process thereof |
Jul. 22, 1986 |
| 4596837 |
Semisintered polytetrafluoroethylene article and production thereof |
Jun. 24, 1986 |
| 4591632 |
Freeze coagulation process |
May. 27, 1986 |
| 4587163 |
Preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance |
May. 6, 1986 |
| 4581442 |
Process for destruction of toxic organic chemicals and the resultant inert polymer by-product |
Apr. 8, 1986 |
| 4554686 |
Polymethylmethacrylate bone cements and methods for preparing such bone cements |
Nov. 26, 1985 |
| 4554347 |
Microwave curing of latex-based compositions |
Nov. 19, 1985 |
| 4547565 |
Method for manufacturing trioxane copolymer |
Oct. 15, 1985 |
| 4540774 |
Process for the continuous demonomerization and postcondensation of Polyamide 6 and device for carrying out this process |
Sep. 10, 1985 |
| 4540720 |
Polyamines, a process for the production of polyamines and their use in the production of polyurethanes |
Sep. 10, 1985 |
| 4539396 |
Process for producing a coagulated latex of spherical configuration |
Sep. 3, 1985 |
| 4537954 |
Process for the preparation of polymer compositions having low volatile content |
Aug. 27, 1985 |
| 4537947 |
Chain-extending functional polyimides by dipole reactions |
Aug. 27, 1985 |
| 4529795 |
Process for recovering and purifying unreacted propylene during mass polymerization of liquid propylene |
Jul. 16, 1985 |
| 4518768 |
Removal of benzene from carboxy polymethylene resin |
May. 21, 1985 |
| 4510304 |
Polymer fractionation |
Apr. 9, 1985 |
| 4503219 |
Treatment of (Co)polymers to remove residual monomers |
Mar. 5, 1985 |
| 4502981 |
Enhancing conductivity of donor-doped polyacetylene |
Mar. 5, 1985 |
| 4500706 |
Method of producing extrusion grade poly(arylene sulfide) |
Feb. 19, 1985 |
| 4497728 |
Conductive pyrolytic product and composition using same |
Feb. 5, 1985 |
| 4482386 |
Method of conditioning a water swellable hydrocolloid |
Nov. 13, 1984 |
| 4476296 |
Preparation of aromatic polymers from cyclohexa-3,5-diene polymers |
Oct. 9, 1984 |
| 4472542 |
Freeze-dried polyvinyl alcohol gel |
Sep. 18, 1984 |
| 4458064 |
Process and apparatus for continual melt hydrolysis of acetal copolymers |
Jul. 3, 1984 |
| 4452977 |
Process for the preparation of polymer melts which are substantially free of volatile components |
Jun. 5, 1984 |
| 4446308 |
Polymer residue treatment |
May. 1, 1984 |
| 4440916 |
Process for solid state free radical reactions |
Apr. 3, 1984 |
| 4439590 |
Acetylene-terminated aromatic enyne resins and method of production thereof |
Mar. 27, 1984 |
| 4439601 |
Multiple stage devolatilization process for mass processable polymers |
Mar. 27, 1984 |
| 4435802 |
Synthetic resin material, particularly surface material for phonograph records with a photograph or picture |
Mar. 6, 1984 |
| 4429073 |
Polyetherimide compositions and processes for production |
Jan. 31, 1984 |
| 4413117 |
Preparation of polyimide powder |
Nov. 1, 1983 |
| 4411826 |
Preparation of stable electrically conductive polymers |
Oct. 25, 1983 |
| 4410669 |
Polymeric ammonium compounds with a silica-type backbone, processes for their preparation and use |
Oct. 18, 1983 |
| 4404139 |
Addition products of terminally unsaturated polyimide derivatives with a diaryl conjugated butadiyne |
Sep. 13, 1983 |
| 4401590 |
Conductive pyrolytic product and composition using same |
Aug. 30, 1983 |
| 4399263 |
Modification of ethylene/acrylate/carboxylic polymer |
Aug. 16, 1983 |
| 4395542 |
Process for removing trace amounts of epichlorohydrin from heat sensitive glycidyl products |
Jul. 26, 1983 |
| 4391971 |
Color improvement and acetaldehyde reduction in high molecular weight polyesters |
Jul. 5, 1983 |
| 4388227 |
Intercalation of graphitic carbon fibers |
Jun. 14, 1983 |
| 4382127 |
Process for the preparation of suspensions of polymers; suspensions of said polymers; and uses of said suspensions |
May. 3, 1983 |
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