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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 |
| 6750320 |
Process for producing polyimide platy object |
Jun. 15, 2004 |
| 6747123 |
Organosilicate materials with mesoscopic structures |
Jun. 8, 2004 |
| 6740731 |
Degradation control of environmentally degradable disposable materials |
May. 25, 2004 |
| 6737499 |
Process for the production of polyamide |
May. 18, 2004 |
| 6734282 |
Method and device for separating solids from polymer solutions |
May. 11, 2004 |
| 6727345 |
Continuous production process for water-absorbent resin powder and powder surface detector used therefor |
Apr. 27, 2004 |
| 6716959 |
Device and method for treating plastic material |
Apr. 6, 2004 |
| 6713597 |
Preparation of polyimide polymers |
Mar. 30, 2004 |
| 6713598 |
Method to make a solid polymeric phosphate and resinous compositions containing it |
Mar. 30, 2004 |
| 6710162 |
Method of drying a material having a cohesive phase |
Mar. 23, 2004 |
| 6703475 |
Method for the continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) |
Mar. 9, 2004 |
| 6699962 |
Process and device for extracting polyamide |
Mar. 2, 2004 |
| 6699963 |
Grinding process for plastic material and compositions therefrom |
Mar. 2, 2004 |
| 6693164 |
High purity fluoropolymers |
Feb. 17, 2004 |
| 6693163 |
Solid-phase drying and solid-phase polymerization of polyamide |
Feb. 17, 2004 |
| 6683153 |
Thermal separation method for mixed polymers |
Jan. 27, 2004 |
| 6673892 |
Process for reducing residual free radical polymerizable monomer content of polymers |
Jan. 6, 2004 |
| 6670411 |
Process for devolatilizing an acrylic resin and process for preparing a powder coating composition |
Dec. 30, 2003 |
| 6664315 |
Nanocomposites of dendritic polymers |
Dec. 16, 2003 |
| 6657037 |
Process for production of polyamide |
Dec. 2, 2003 |
| 6642349 |
Batch type apparatus for production of liquid crystalline polymer, and method for continuous production of liquid crystalline polymer using the apparatus |
Nov. 4, 2003 |
| 6639048 |
Method for reducing the quantity of residual monomers in aqueous polymerisate dispersions |
Oct. 28, 2003 |
| 6632918 |
Method of reclaiming crosslinked rubber |
Oct. 14, 2003 |
| 6623643 |
Process for treatment of aqueous environments containing a water soluble polymer |
Sep. 23, 2003 |
| 6620906 |
Method for the production of highly pure polycarbonate and ultrapure polycarbonate |
Sep. 16, 2003 |
| 6617420 |
Process for reducing monomer content in N-vinyl compound polymers |
Sep. 9, 2003 |
| 6613871 |
Method for reducing the polymer content of effluent during the drainage of polymer/water mixtures |
Sep. 2, 2003 |
| 6610818 |
Process for producing amino resin particles |
Aug. 26, 2003 |
| 6610221 |
Treatment of contact lenses with supercritical fluid |
Aug. 26, 2003 |
| 6605694 |
High RV filaments and apparatus and process for making high RV flakes and the filaments |
Aug. 12, 2003 |
| 6600011 |
Process for purification and drying of polymer hydrogels |
Jul. 29, 2003 |
| 6593452 |
Fibers made of cycloolefin copolymers |
Jul. 15, 2003 |
| 6590023 |
Method for treating coating formulations |
Jul. 8, 2003 |
| 6590064 |
Use of heterogeneous catalysts in methods for the production of polyamides |
Jul. 8, 2003 |
| 6590068 |
Reduction of reaction by-products in polycarbonate resins |
Jul. 8, 2003 |
| 6583261 |
Polyethyleneterephthalate extrusion equipment |
Jun. 24, 2003 |
| 6576740 |
Method of terminating oxymethylene polymerization |
Jun. 10, 2003 |
| 6569987 |
Process for producing meta-aromatic polyamide fiber |
May. 27, 2003 |
| 6562940 |
Process for the preparation of polyamide granules |
May. 13, 2003 |
| 6555647 |
Process for production of polyimide molded bodies and polyimide molded bodies |
Apr. 29, 2003 |
| 6548626 |
Method for preparing polyamides from lactams and polyamide extracts |
Apr. 15, 2003 |
| 6528614 |
Process for the production of polyamide-6 from epsilon-caprolactam |
Mar. 4, 2003 |
| 6528617 |
Process for producing aliphatic polyester excellent in stability |
Mar. 4, 2003 |
| 6525171 |
Process for producing a polycarbonate and method of cleaning a production unit |
Feb. 25, 2003 |
| 6524657 |
Solvent systems for polymeric dielectric materials |
Feb. 25, 2003 |
| 6515101 |
High performance fluorinated polymers and methods |
Feb. 4, 2003 |
| 6514438 |
Pulse extraction of ocular medical devices |
Feb. 4, 2003 |
| 6515099 |
Shaped article of polyamide resin and production thereof |
Feb. 4, 2003 |
| 6515102 |
Process for recovering fluoropolymers |
Feb. 4, 2003 |
| 6512086 |
Process for preparation of organosilicon compositions |
Jan. 28, 2003 |
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