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Class Information
Number: 528/480
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
Description: Processes under Class 520, ... wherein a solid polymer which has been derived from at least one ethylenic monomer, or a material which is in contact with the polymer, is treated.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 528/488 |
Contacting with alkali (li, na, k, rb, cs, fr) or alkaline earth (be, mg, ca, sr, ba) metal or compound thereof |
340 |
| 528/485 |
Contacting with aluminum or heavy metal material |
195 |
| 528/486 |
Contacting with carboxylic acid, salt, or anhydride thereof |
478 |
| 528/483 |
Contacting with exteriorly produced specified gaseous agent other than drying, blanket, or carrier gas |
312 |
| 528/482 |
Contacting with ion exchange material or solid sorbent |
211 |
| 528/491 |
Contacting with organic material |
596 |
| 528/490 |
Contacting with specified element or with specified inorganic compound other than water, elemental nitrogen, air and the inert gases (group viii a) |
367 |
| 528/487 |
Contacting with sulfur or phosphorus-containing material |
439 |
| 528/499 |
Contacting with water |
600 |
| 528/502R |
Physical treatment |
251 |
| 528/484 |
Preventing or removing reactor or processing equipment buildup |
36 |
| 528/503 |
Temperature maintaining, heating or cooling |
944 |
| 528/481 |
Treating at o deg c (32 deg f) or below, or at 200 deg c (392 deg f) or above |
608 |
| 528/501 |
With distilling or pressured reduction step to remove material, e.g., flashing, autorefrigeration, etc. |
517 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5070184 |
Treatment of carbon monoxide/olefin copolymer with solvent |
Dec. 3, 1991 |
| 5068311 |
High molecular weight (co)polyamide from diamino-alcohol |
Nov. 26, 1991 |
| 5066781 |
Heat treated polyarylene sulphide containing phosphine groups |
Nov. 19, 1991 |
| 5057600 |
Process for forming an article comprising poly(etheretherketone) (PEEK) type polymers |
Oct. 15, 1991 |
| 5049651 |
Process for the preparation of branched (co)polyamides by solid phase post-condensation, and corresponding (co)-polyamides |
Sep. 17, 1991 |
| 5043391 |
Linear addition polymer with hyperpolarizable side groups |
Aug. 27, 1991 |
| 5041532 |
Method of treating a poly(arylene sulfide/sulfone) resin, and composition of matter made in accordance therewith |
Aug. 20, 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 |
| 5017685 |
Process for extracting metal residue from poly(ether ketone ketones) |
May. 21, 1991 |
| 5013816 |
Preparation of particulate polymers |
May. 7, 1991 |
| 4999408 |
Method of crosslinking resin with carboxyl polycarbonate |
Mar. 12, 1991 |
| 4994552 |
High clarity radiation stable polymeric composition and articles therefrom |
Feb. 19, 1991 |
| 4977233 |
Polycarbonate capped with phenolic chain terminator mixture |
Dec. 11, 1990 |
| 4973665 |
Cross linked polycarbonate resin by thermolytic degradation |
Nov. 27, 1990 |
| 4970285 |
Thermotropic copolyester from mixture of hydroxy benzoic acids |
Nov. 13, 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 |
| 4963651 |
Method to recover poly(arylene sulfide)s with vaporized liquids |
Oct. 16, 1990 |
| 4963642 |
Thermotropic copolyester and process for preparing it and use thereof |
Oct. 16, 1990 |
| 4960863 |
Polycarbonate cross-linked resin |
Oct. 2, 1990 |
| 4959452 |
Alpha-amino-epsilon-caprolactam-modified polyamide preparation |
Sep. 25, 1990 |
| 4954606 |
Solid phase post polymerization condensation of thermotropic polyester imides |
Sep. 4, 1990 |
| 4948871 |
Method for producing a crystallized aromatic polycarbonate, and a crystallized aromatic polycarbonate obtained thereby |
Aug. 14, 1990 |
| 4945154 |
Densified polyethersulfone |
Jul. 31, 1990 |
| 4945155 |
Preparation of low color copoly(arylene sulfide) by heating copoly(arylene sulfide) |
Jul. 31, 1990 |
| 4927914 |
Polycarbonate cross-linker resin and fire resistant compositions made therefrom |
May. 22, 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 |
| 4916211 |
Thermochromic cross polymerized polyamide-diacetylene compound |
Apr. 10, 1990 |
| 4898929 |
Alkenyl phenoxy polyfluoroalkoxyphosphazene |
Feb. 6, 1990 |
| 4892929 |
Melt stabilization of poly arylene sulfide ketone |
Jan. 9, 1990 |
| 4892927 |
.alpha.-amino-.epsilon.-caprolactam-modified polyamide of dicarboxylic acids/diamines |
Jan. 9, 1990 |
| 4891420 |
Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas |
Jan. 2, 1990 |
| 4889910 |
Purification of crude polyorganophosphazenes |
Dec. 26, 1989 |
| 4882418 |
Washing arylene sulfide polymers with water plus a reducing agent |
Nov. 21, 1989 |
| 4874840 |
Stabilization of poly(arylene ether ketones) |
Oct. 17, 1989 |
| 4874839 |
Stabilization of poly(arylene ether ketones) |
Oct. 17, 1989 |
| 4868283 |
Process for the production of polyphenylene ethers with reduced inherent color |
Sep. 19, 1989 |
| 4861860 |
Process for producing polyester |
Aug. 29, 1989 |
| 4826756 |
Low temperature deep ultraviolet resist hardening process using zenon chloride laser |
May. 2, 1989 |
| 4816542 |
Process for the preparation of coatings from polyurethane single component systems and steam |
Mar. 28, 1989 |
| 4814424 |
Method of stabilizing polyoxymethylene copolymer |
Mar. 21, 1989 |
| 4810775 |
Process for purifying resorbable polyesters |
Mar. 7, 1989 |
| 4757131 |
Production of high-molecular polytetramethylene adipamide pellet |
Jul. 12, 1988 |
| RE32677 |
Polyamines, a process for the production of polyamines and their use in the production of polyurethanes |
May. 24, 1988 |
| 4730035 |
Drying and removing residual acid from halogenated polymer resins |
Mar. 8, 1988 |
| 4728723 |
Process for purification of polyphenylene-sulfide |
Mar. 1, 1988 |
| 4683290 |
Method for treating thermoplastic polymers |
Jul. 28, 1987 |
| 4675378 |
Process control system |
Jun. 23, 1987 |
| 4670520 |
Method for modifying polyfumaric acid diester |
Jun. 2, 1987 |
| 4622385 |
Method of producing polyacetal polymer showing improved heat resistance and moldability |
Nov. 11, 1986 |
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