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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 |
| 5077381 |
Constant compositioin recycle of nylon 6 polymerization wash water |
Dec. 31, 1991 |
| 5075344 |
Process for producing a superabsorbent polymer |
Dec. 24, 1991 |
| 5073612 |
Hydrophilic polymer and method for production thereof |
Dec. 17, 1991 |
| 5071953 |
Method for the preparation of amorphous syndiotactic styrene-based polymer and a method for shaping the same |
Dec. 10, 1991 |
| 5068311 |
High molecular weight (co)polyamide from diamino-alcohol |
Nov. 26, 1991 |
| 5066781 |
Heat treated polyarylene sulphide containing phosphine groups |
Nov. 19, 1991 |
| 5066780 |
Method of vulcanizing rubber with heat transfer liquid |
Nov. 19, 1991 |
| 5064786 |
Silane modified polysilacyclobutasilazanes |
Nov. 12, 1991 |
| 5051456 |
Process for removing dienes from ethylene propylene diene monomer resins |
Sep. 24, 1991 |
| 5049651 |
Process for the preparation of branched (co)polyamides by solid phase post-condensation, and corresponding (co)-polyamides |
Sep. 17, 1991 |
| 5045629 |
Method to recover particulate poly(arylene) sulfides with vaporized separation agent |
Sep. 3, 1991 |
| 5043414 |
Alkylperoxyformate-terminated polycarbonate |
Aug. 27, 1991 |
| 5041529 |
Preparation process for bioabsorbable polyester |
Aug. 20, 1991 |
| 5041532 |
Method of treating a poly(arylene sulfide/sulfone) resin, and composition of matter made in accordance therewith |
Aug. 20, 1991 |
| 5039788 |
Melt stable phenylene sulfide/sulfone polymers and method |
Aug. 13, 1991 |
| 5037955 |
Method for heating a viscous polyethylene solution |
Aug. 6, 1991 |
| 5037951 |
Process for producing biphenylene sulfide polymer |
Aug. 6, 1991 |
| 5037928 |
Process of manufacturing ultrahigh molecular weight linear polyethylene shaped articles |
Aug. 6, 1991 |
| 5028690 |
Aromatic polycarbonate end capped with maleimide moiety |
Jul. 2, 1991 |
| 5028689 |
Branched (co)polyamide by polycondensation in the presence of lysine component polycarboxylic acid mixture |
Jul. 2, 1991 |
| 5026818 |
Melt preparation of polyamide with additive combination |
Jun. 25, 1991 |
| 5023317 |
Process for destruction of toxic organic chemicals and the resultant inert polymer by-product |
Jun. 11, 1991 |
| 5015702 |
Treatment of poly(arylene sulfide/sulfone) polymers |
May. 14, 1991 |
| 5015703 |
Reactively capped polyarylene sulfide and method and intermediates for their preparation |
May. 14, 1991 |
| 5013820 |
Preparation of poly(ethlene-2,6-naphthalene dicarboxylate) from dimethyl-2,6-naphthalene dicarboxylate and methyl hydrogen 2,6-naphthalene dicarboxylate |
May. 7, 1991 |
| 5008370 |
Poly(arylene thioether-ketones) improved in melt stability and preparation process thereof |
Apr. 16, 1991 |
| 5006638 |
Melt processing of carbon monoxide/olefin copolymer with carbon dioxide |
Apr. 9, 1991 |
| 5003001 |
Ionic crosslinking of an ethylene copolymer in twin-screw extruder |
Mar. 26, 1991 |
| 4992528 |
Light weight polymer matrix composite material |
Feb. 12, 1991 |
| 4990595 |
Process for lowering the melt viscosity of aromatic polycarbonates, aromatic polyester carbonates and aromatic and/or araliphatic polyesters with super-critical gases |
Feb. 5, 1991 |
| 4987206 |
Crosslinking of aromatic ether containing polymers by halocarbons |
Jan. 22, 1991 |
| 4980390 |
Method of mixing composite filled thermoplastic resins |
Dec. 25, 1990 |
| 4977222 |
Cross-linking of thermosetting resins by means of heating with saturated perfluoropolyether vapor in the presence of a secondary fluid |
Dec. 11, 1990 |
| 4970286 |
Thermotropic, fully aromatic polyesters having a low processing temperature, a process for their production and their use for the production of moldings, filaments, fibers and films |
Nov. 13, 1990 |
| 4970285 |
Thermotropic copolyester from mixture of hydroxy benzoic acids |
Nov. 13, 1990 |
| 4963616 |
Complexation-mediated solubilization of polymers |
Oct. 16, 1990 |
| 4963642 |
Thermotropic copolyester and process for preparing it and use thereof |
Oct. 16, 1990 |
| 4963650 |
Process for separating low molecular weight compounds from polycaproamide melt with superheated steam |
Oct. 16, 1990 |
| 4959452 |
Alpha-amino-epsilon-caprolactam-modified polyamide preparation |
Sep. 25, 1990 |
| 4954607 |
Ferromagnetic organic substance having triaryl methane structure and process for manufacturing the same |
Sep. 4, 1990 |
| 4954606 |
Solid phase post polymerization condensation of thermotropic polyester imides |
Sep. 4, 1990 |
| 4952672 |
Method for the devolatilization of thermoplastic materials |
Aug. 28, 1990 |
| 4948871 |
Method for producing a crystallized aromatic polycarbonate, and a crystallized aromatic polycarbonate obtained thereby |
Aug. 14, 1990 |
| 4945152 |
Molded nylon 4.6 article having first and second enthalpy |
Jul. 31, 1990 |
| 4945155 |
Preparation of low color copoly(arylene sulfide) by heating copoly(arylene sulfide) |
Jul. 31, 1990 |
| 4943676 |
Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine) |
Jul. 24, 1990 |
| 4940778 |
Process for preparation of methacrylimide group-containing polymer |
Jul. 10, 1990 |
| 4933400 |
Method for the continuous solution polymerization of methyl methacrylate |
Jun. 12, 1990 |
| 4929407 |
Process of making a golf ball cover |
May. 29, 1990 |
| 4927913 |
Cured product from thermosettable prepolymer prepared from heterocyclic materials having alkyl substituents, mono- or dianhydrides, ethylenically unsaturated materials and a hydroxide, carbona |
May. 22, 1990 |
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