| |
 |
|
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 |
| 4130551 |
Solid state polymerization |
Dec. 19, 1978 |
| 4130604 |
Production of an improved polyoxymethylene molding composition which forms reduced mold deposits upon molding |
Dec. 19, 1978 |
| 4127564 |
Melt processing recovery of high purity polymeric antioxidants |
Nov. 28, 1978 |
| 4122248 |
Manufacture of homogeneous ethylene/tert-butyl acrylate/acrylic acid terpolymers |
Oct. 24, 1978 |
| 4118346 |
Phenolic resin recovery process |
Oct. 3, 1978 |
| 4113698 |
Aromatic polymer production |
Sep. 12, 1978 |
| 4113796 |
Process for working up dispersions of elastic-thermoplastic or thermoplastic plastics |
Sep. 12, 1978 |
| 4108942 |
Polyphenylene polymers and methods for making the same |
Aug. 22, 1978 |
| 4105837 |
Conversion of stereoregular polypropylene to atactic polypropylene |
Aug. 8, 1978 |
| 4100142 |
Polyester process and product |
Jul. 11, 1978 |
| 4098776 |
Poly(arylene sulfide) fibers |
Jul. 4, 1978 |
| 4097552 |
Nitrogenous polymer compositions |
Jun. 27, 1978 |
| 4095020 |
Process for controlled phase transformation of alpha phase of poly(vinylidene fluoride) to the gamma phase |
Jun. 13, 1978 |
| 4093795 |
Multi-stage isolation of high pressure polyethylene |
Jun. 6, 1978 |
| 4092469 |
Cleavable branching agents in emulsion polymerization systems |
May. 30, 1978 |
| 4087602 |
Multi-stage isolation of high pressure polyethylene |
May. 2, 1978 |
| 4082910 |
Multi-stage isolation of high pressure polyethylene |
Apr. 4, 1978 |
| 4081587 |
Process for the manufacture of ethylene-acrylic acid copolymers |
Mar. 28, 1978 |
| 4080483 |
N-cyanosulfonamide resins and intermediates therefor and products thereof |
Mar. 21, 1978 |
| 4069161 |
Preparation of aqueous solutions of polyacrylamides |
Jan. 17, 1978 |
| 4064112 |
Process for the continuous production of high molecular weight polyethylene terephthalate |
Dec. 20, 1977 |
| 4051095 |
Hydrolyzed polyurethane plasticizer |
Sep. 27, 1977 |
| 4046749 |
Phenylene sulfide oligomer production |
Sep. 6, 1977 |
| 4045415 |
Process for preparing copolymers of trioxane |
Aug. 30, 1977 |
| 4040990 |
Partially pyrolyzed macroporous polymer particles having multimodal pore distribution with macropores ranging from 50-100,000 angstroms |
Aug. 9, 1977 |
| 4029639 |
Treated fabrics and process |
Jun. 14, 1977 |
| 4027346 |
Polyester fiber treated with anionic polyalkylene oxide emulsified polyester polyether finish |
Jun. 7, 1977 |
| T959009 |
Process for powdering semi-crystalline polyester pellets |
Jun. 7, 1977 |
| 4026973 |
Process for preparing heat-resistant aromatic polyester filaments |
May. 31, 1977 |
| 4027080 |
Crosslinking of polyolefines |
May. 31, 1977 |
| 4022863 |
Polymer plastic strapping from polyethylene terephthalate |
May. 10, 1977 |
| 4022954 |
Novel polymer containing cyclopentanylvinylene units |
May. 10, 1977 |
| T958006 |
Method for processing amorphous and partially crystalline polymers without sticking |
May. 3, 1977 |
| 4020046 |
Aromatic polysulphone coated article and bonded structure |
Apr. 26, 1977 |
| 4018736 |
Manufacture of polyester-imide powders |
Apr. 19, 1977 |
| 4016140 |
Amide-imide copolymer moldings and method of preparation |
Apr. 5, 1977 |
| 4008204 |
Polysulphones as insulators |
Feb. 15, 1977 |
| 4008205 |
Polysulphones as insulators |
Feb. 15, 1977 |
| 4008203 |
Polysulphones and method of preparation |
Feb. 15, 1977 |
| 4005058 |
Process for the formation and recovery of poly(bisbenzimidazoenzophenanthroline) |
Jan. 25, 1977 |
| 4001351 |
Process for preparing tetrafluoroethylene-hexafluoropropylene copolymer blends |
Jan. 4, 1977 |
| 4001149 |
Novel fire-retardant polymer |
Jan. 4, 1977 |
| 3998767 |
Fast curing of arylene sulfide polymer using hexamethoxymethylmelamine |
Dec. 21, 1976 |
| 3994867 |
Organic polymers with near-zero uniaxial thermal expansion coefficients |
Nov. 30, 1976 |
| 3987235 |
Devolatilization of alkenyl aromatic polymers |
Oct. 19, 1976 |
| 3981854 |
Chloroprene polymer isolation |
Sep. 21, 1976 |
| 3981945 |
Coating compositions comprising a polysulfone and a fluorocarbon polymer |
Sep. 21, 1976 |
| 3975363 |
Poly(diels-alder) polymer |
Aug. 17, 1976 |
| 3969324 |
Continuous process for drying, crystallizing and solid state polymerizing polyesters |
Jul. 13, 1976 |
| 3969435 |
Process for finishing tetrafluoroethylene-hexafluoropropylene copolymers |
Jul. 13, 1976 |
|
|
|
