| |
 |
|
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 |
| 5283318 |
Process for depolymerization of butyl rubbers and halobutyl rubbers using hot liquid water |
Feb. 1, 1994 |
| 5272216 |
System and method for remotely heating a polymeric material to a selected temperature |
Dec. 21, 1993 |
| 5270442 |
Styrene-based polymer moldings |
Dec. 14, 1993 |
| 5264511 |
Polymers of bis (ethynylstyryl) benzene and related monomers |
Nov. 23, 1993 |
| 5262489 |
Process for producing low molecular weight isoolefin polymers |
Nov. 16, 1993 |
| 5260415 |
Crosslinking of polymers containing diaryl ketones |
Nov. 9, 1993 |
| 5260397 |
Thermoset polymeric precursor for aluminum nitride |
Nov. 9, 1993 |
| 5256363 |
Polyethylene terephthalate and uses thereof |
Oct. 26, 1993 |
| 5250640 |
Method for production of particulate hydrogel polymer and absorbent resin |
Oct. 5, 1993 |
| 5248734 |
Process for preparing a polyphenylene polymer |
Sep. 28, 1993 |
| 5237049 |
Purification and adhesion of fluoropolymers |
Aug. 17, 1993 |
| 5237048 |
Method for purifying polymer |
Aug. 17, 1993 |
| 5235034 |
Treatment of polyarylene sulfide/sulfone polymers with zinc compound and acidic solution |
Aug. 10, 1993 |
| 5232952 |
Finely dispersed metal-carrying compounds and method for preparing the same |
Aug. 3, 1993 |
| 5219894 |
Method for treating the surface of a thin porous film material |
Jun. 15, 1993 |
| 5218080 |
Constant composition recycle of nylon 6 polymerization wash water |
Jun. 8, 1993 |
| 5209977 |
Crosslinkable ethylene copolymer powders and processes |
May. 11, 1993 |
| 5204416 |
Crosslinked fluorinated poly(arylene ether) |
Apr. 20, 1993 |
| 5202414 |
Pyrolzed amine cured polymer of dithioether-linked phthalonitrile monomer |
Apr. 13, 1993 |
| 5202402 |
Styrene copolymer and process for producing said copolymer |
Apr. 13, 1993 |
| 5198305 |
Optical element substrate |
Mar. 30, 1993 |
| 5198527 |
Arylcyclobutene terminated carbonate polymer |
Mar. 30, 1993 |
| 5183853 |
Articles of a new crystalline form of syndiotactic styrene polymer |
Feb. 2, 1993 |
| 5176851 |
Method for enhancing polyaniline conductivity |
Jan. 5, 1993 |
| 5175214 |
Pressure-sensitive conductive elastomer compound |
Dec. 29, 1992 |
| 5175249 |
Process for the isolation and purification of polyarylene sulphides |
Dec. 29, 1992 |
| 5171478 |
Thermally induced chain coupling in solid state polyaniline |
Dec. 15, 1992 |
| 5167888 |
Polymer composites |
Dec. 1, 1992 |
| 5164428 |
Method for the production of fine grain ice and dry clathrate water for manufacturing of concrete/mortar, a method for the production of concrete/mortar by using fine grain ice or dry clathrat |
Nov. 17, 1992 |
| 5164478 |
Process for producing polyarylate having low color |
Nov. 17, 1992 |
| 5164479 |
Process for preparation of molding product from syndiotactic styrene polymer |
Nov. 17, 1992 |
| 5157108 |
Thermally sensitive linkages |
Oct. 20, 1992 |
| 5145950 |
Method of storing food or plant materials by wrapping with a stretched syndiotactic polystyrene film |
Sep. 8, 1992 |
| 5144005 |
Continuous process for removing unstable components from crude oxymethylene copolymer |
Sep. 1, 1992 |
| 5135673 |
Organic ferromagnetic substance |
Aug. 4, 1992 |
| 5130411 |
Two stage process for preparation of increased molecular weight polyarylene sulfides with water stage and poor solvent stage |
Jul. 14, 1992 |
| 5126431 |
Production and recovery of poly(arylene sulfide ketone) and poly(arylene sulfide diketone) resins |
Jun. 30, 1992 |
| 5122592 |
Process for improving the properties of polytetrafluoroethylene |
Jun. 16, 1992 |
| 5112529 |
Conductive material and process for producing the same |
May. 12, 1992 |
| 5110878 |
Dry polyamide-epichlorohydrin resin power for strengthening wet paper |
May. 5, 1992 |
| 5100434 |
Polybenzobisthiazole and polybenzobisoxazole fibers of improved compressive properties |
Mar. 31, 1992 |
| 5098994 |
Process for separating a resin phase from a solvent solution containing a solvent, demetallized oil and a resin |
Mar. 24, 1992 |
| 5091508 |
Process for improving the properties of polymers |
Feb. 25, 1992 |
| 5091509 |
Recovery of poly(arylene sulfide ketone) and poly(arylene sulfide diketone) resins |
Feb. 25, 1992 |
| 5089597 |
Method to recover granular poly(arylene sulfide ketone) and poly(arylene sulfide diketone) |
Feb. 18, 1992 |
| 5087660 |
Process and apparatus for heat treatment of polymer containing liquid |
Feb. 11, 1992 |
| 5086160 |
Thermotropic copolyester, process for preparing it and its use |
Feb. 4, 1992 |
| 5086128 |
High molecular weight arylene sulphide polymer melt mixed with aromatic nitro compound |
Feb. 4, 1992 |
| 5081188 |
Processing additives for tetrafluoroethylene polymers |
Jan. 14, 1992 |
| 5077385 |
Melt processed polyketone-based barrier polymer materials |
Dec. 31, 1991 |
|
|
|
