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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 |
| 6512085 |
Method and apparatus for providing optical anisotropy to polymeric film and optical anisotropic medium |
Jan. 28, 2003 |
| 6509502 |
Method and apparatus for preparing polyaniline |
Jan. 21, 2003 |
| 6495660 |
Polyamide substrate |
Dec. 17, 2002 |
| 6479625 |
Mechanical stress crystallization of thermoplastic polymers |
Nov. 12, 2002 |
| 6479624 |
Polymer solution preheater and method for preheating such solutions |
Nov. 12, 2002 |
| 6476181 |
Increased volatile removal during solid phase processing of nylon 6 by temperature programming |
Nov. 5, 2002 |
| 6476185 |
Preparation of an organic compound by a condensation reaction |
Nov. 5, 2002 |
| 6472503 |
Method for drying electrophoresis gels |
Oct. 29, 2002 |
| 6469135 |
Preparation of polymer powders |
Oct. 22, 2002 |
| 6469134 |
Reversibly switchable cross-linking of monomers |
Oct. 22, 2002 |
| 6465608 |
Method for drying and degassing polyolefins |
Oct. 15, 2002 |
| 6465607 |
Vibration damping rubber member having excellent durability and method of producing the same |
Oct. 15, 2002 |
| 6458920 |
Purification of solutions containing polycarbonate |
Oct. 1, 2002 |
| 6458919 |
Fibers made of cycloolefin copolymers |
Oct. 1, 2002 |
| 6455667 |
Method for manufacturing polycarbonate |
Sep. 24, 2002 |
| 6451965 |
Method of removing low molecular weight substance from polyimide precursor or polyimide containing low molecular weight substance |
Sep. 17, 2002 |
| 6451963 |
Method of coagulating aqueous PUR dispersions containing dispersed therein reactive or secondary cross-linked polyurethane, the products obtained thereby and their use |
Sep. 17, 2002 |
| 6451967 |
Method of drying saponified ethylene-vinyl acetate copolymers |
Sep. 17, 2002 |
| 6451964 |
Method for removing hydrocarbon solvent from solution of hydrogenated block copolymer in hydrocarbon solvent |
Sep. 17, 2002 |
| 6451962 |
Method of stabilizing fluorine-containing polymer |
Sep. 17, 2002 |
| 6448370 |
Treatment of polyamide with gas phase of acid, anhydride or amine |
Sep. 10, 2002 |
| 6441128 |
ECTFE surfaces modified by fluoro-oxidation and a process therefor |
Aug. 27, 2002 |
| 6433132 |
Method for reducing the quantity of residual monomers in aqueous polymeric dispersions |
Aug. 13, 2002 |
| 6429279 |
Preparation of polyamides |
Aug. 6, 2002 |
| 6429284 |
Method for treating flame retardant resin composition |
Aug. 6, 2002 |
| 6429283 |
Method of producing powder |
Aug. 6, 2002 |
| 6413202 |
Solvent systems for polymeric dielectric materials |
Jul. 2, 2002 |
| 6410683 |
Polymer devolatilization process |
Jun. 25, 2002 |
| 6403757 |
Modified polyamide resin and heat-resistant composition containing the same |
Jun. 11, 2002 |
| 6403761 |
Method for recovering a polymer |
Jun. 11, 2002 |
| 6395869 |
High-molecular polyamide |
May. 28, 2002 |
| 6392007 |
Multi-pixel liquid streams, especially fiber-forming polymeric streams, and methods and apparatus for forming same |
May. 21, 2002 |
| 6388050 |
Method for treating thermoplastic resin composition containing flame retardant |
May. 14, 2002 |
| 6384184 |
Method for decreasing the formaldehyde content in acidic solutions of melamine formaldehyde resins |
May. 7, 2002 |
| 6380353 |
Method for reducing the C1-C2-aldehyde content formed from compounds with -CH2-CHR-O-or-CH(OH)-groups |
Apr. 30, 2002 |
| 6380352 |
Polyester precursor purification process |
Apr. 30, 2002 |
| 6376647 |
Fluoropolymer powder and process for preparing the same |
Apr. 23, 2002 |
| 6365710 |
Method for removing volatile components from solid polymeric materials |
Apr. 2, 2002 |
| 6365706 |
Process for production of polyasparagine and the high nitrogen content polymer formed thereby |
Apr. 2, 2002 |
| 6365709 |
Method of reducing the quantity of residual monomers in aqueous dispersions of polymers |
Apr. 2, 2002 |
| 6335418 |
Functional polyamic acid microfine particles, functional polyimide microfine particles, and processes for their production |
Jan. 1, 2002 |
| 6326457 |
Continuous polyamide extraction process |
Dec. 4, 2001 |
| 6320021 |
Continuous polyamide extraction process |
Nov. 20, 2001 |
| 6316518 |
Methods of treating polymeric materials, methods of forming nylon, and apparatuses |
Nov. 13, 2001 |
| 6306222 |
Process for cleaning plastics for recycling them |
Oct. 23, 2001 |
| 6303741 |
Solid phase-polymerized polyamide polymer |
Oct. 16, 2001 |
| 6303733 |
Poly(arylene ether) homopolymer compositions and methods of manufacture thereof |
Oct. 16, 2001 |
| 6294588 |
Superabsorbing fibers and films and processes for preparing same |
Sep. 25, 2001 |
| 6294645 |
Dry-strength system |
Sep. 25, 2001 |
| 6291628 |
Solvent systems for low dielectric constant polymeric materials |
Sep. 18, 2001 |
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