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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 |
| 5998491 |
Super-absorbing polymeric networks |
Dec. 7, 1999 |
| RE36432 |
Process for the purification of polycarbonate and polyester carbonate solutions |
Dec. 7, 1999 |
| 5997770 |
Process for doping polyaniline powder |
Dec. 7, 1999 |
| 5986042 |
Cross-linked polymer |
Nov. 16, 1999 |
| 5981694 |
Melt-stable lactide polymer composition and process for manufacture thereof |
Nov. 9, 1999 |
| 5977288 |
Fractionated novolak resin and photoresist composition therefrom |
Nov. 2, 1999 |
| 5973106 |
Acrylonitrile polymer compositions, method for producing the compositions, and method for producing shaped articles from the compositions |
Oct. 26, 1999 |
| 5973105 |
Process for continuously preparing a polyamide 6 with a low dimer content |
Oct. 26, 1999 |
| 5962554 |
Use of polymers as assistants in the drying of aqueous polymer dispersions |
Oct. 5, 1999 |
| 5959072 |
Wastewater-recyclable process for producing a polyaniline resin powder |
Sep. 28, 1999 |
| 5955569 |
Method for solid phase polymerization |
Sep. 21, 1999 |
| 5922832 |
Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof |
Jul. 13, 1999 |
| 5917009 |
Aliphatic polyamine and method of producing the same |
Jun. 29, 1999 |
| 5910566 |
Living polymer hydrogenation catalyst and process for hydrogenating polymers with the catalyst |
Jun. 8, 1999 |
| 5910558 |
Micropowders |
Jun. 8, 1999 |
| 5905139 |
Purification of polysilane |
May. 18, 1999 |
| 5898063 |
Carpet recycling process for nylon containing carpeting |
Apr. 27, 1999 |
| 5895809 |
Method of producing partially aromatic copolyamides from aromatic dicarboxylic acid esters |
Apr. 20, 1999 |
| 5891988 |
Process for the oxidation of polyarlene compounds containing thioether groups |
Apr. 6, 1999 |
| 5889134 |
Chiral organozinc species for use in asymmetric reactions |
Mar. 30, 1999 |
| 5889142 |
Selective polyamide recovery from multi-component materials |
Mar. 30, 1999 |
| 5880249 |
Preparation of novel hydroxyl-terminated epoxy polyether polymers |
Mar. 9, 1999 |
| 5869601 |
Method of stabilizing the viscosity of a thickened composition |
Feb. 9, 1999 |
| 5866677 |
Method and system for producing poly (lactic acid) |
Feb. 2, 1999 |
| 5861473 |
Method for cleaning elastomeric articles |
Jan. 19, 1999 |
| 5859180 |
Process for the solid state polycondensation of polyamide resins |
Jan. 12, 1999 |
| 5856427 |
Process for the production of polysuccinimide |
Jan. 5, 1999 |
| 5854372 |
Process for the preparation of high molecular weight polycondensates |
Dec. 29, 1998 |
| 5817747 |
Cooling process for polyester and/or polymide resins |
Oct. 6, 1998 |
| 5811511 |
Method for stabilizing unstable terminals of an oxymethylene copolymer |
Sep. 22, 1998 |
| 5804100 |
Deaggregated electrically conductive polymers and precursors thereof |
Sep. 8, 1998 |
| 5804639 |
Pigment preparations having a high solids content |
Sep. 8, 1998 |
| 5773555 |
Method and apparatus for the production of polyamides |
Jun. 30, 1998 |
| 5773568 |
Methods for preparing conductive polyanilines |
Jun. 30, 1998 |
| 5763564 |
Melt-stable lactide polymer composition and process for manufacture thereof |
Jun. 9, 1998 |
| 5747631 |
Precursor of amorphous carbon molded article |
May. 5, 1998 |
| 5747600 |
Reconstitutable polyacrylamide materials and methods for producing same |
May. 5, 1998 |
| 5741887 |
Agents and methods for generation of active oxygen |
Apr. 21, 1998 |
| 5728801 |
Poly (arylamines) and films thereof |
Mar. 17, 1998 |
| 5728797 |
Method of making cured resin particles |
Mar. 17, 1998 |
| 5723570 |
Wholly aromatic polyamide fiber with improved dyeability |
Mar. 3, 1998 |
| 5714262 |
Production of poly(ethylene terephthalate) |
Feb. 3, 1998 |
| 5714573 |
Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof |
Feb. 3, 1998 |
| 5714618 |
Polymer containing lactic acid as its constituting unit and method for producing the same |
Feb. 3, 1998 |
| 5709916 |
Polybutylene terephthalate having low carboxyl group concentration and loose tube for optical fiber comprising the same |
Jan. 20, 1998 |
| 5700901 |
Resorbable mouldings and process for producing them |
Dec. 23, 1997 |
| 5698665 |
Polycarbonate processes with supercritical carbon dioxide |
Dec. 16, 1997 |
| 5688894 |
Polyester resin powder coating compositions |
Nov. 18, 1997 |
| 5679760 |
Ladder polymers containing conjugated double bonds |
Oct. 21, 1997 |
| 5670614 |
Method of increasing the plasticity and/or elasticity of polymers via supercritical fluid extraction and medical devices fabricated therefrom |
Sep. 23, 1997 |
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