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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 |
339 |
| 528/485 |
Contacting with aluminum or heavy metal material |
194 |
| 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 |
595 |
| 528/490 |
Contacting with specified element or with specified inorganic compound other than water, elemental nitrogen, air and the inert gases (group viii a) |
366 |
| 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 |
943 |
| 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. |
516 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612161 |
Method for treating extremely small particles of plastic |
Nov. 3, 2009 |
| 7598339 |
Method for removing residual monomers from polyoxymethylenes |
Oct. 6, 2009 |
| 7592417 |
Method of drying a material having a cohesive phase |
Sep. 22, 2009 |
| 7585935 |
Purified polymeric materials and methods of purifying polymeric materials |
Sep. 8, 2009 |
| 7579385 |
Dried porous crumbs of hydrogenated block copolymer |
Aug. 25, 2009 |
| 7579431 |
Method for treating extremely small particles of polyethylene terephthalate |
Aug. 25, 2009 |
| 7579091 |
White electroluminescent polymeric material and preparation thereof |
Aug. 25, 2009 |
| 7576173 |
Single solvent polymer extraction methods |
Aug. 18, 2009 |
| 7569655 |
Biologically absorbable coatings for implantable devices based on polyesters and methods for fabricating the same |
Aug. 4, 2009 |
| 7569658 |
Process for the solvent treatment of a plastic |
Aug. 4, 2009 |
| 7563858 |
Method for stably producing an aromatic polycarbonate |
Jul. 21, 2009 |
| 7557179 |
Poly(arylene ether) fractionation method |
Jul. 7, 2009 |
| 7550556 |
Highly stable resin, hardenable resin composition, production method therefor, color filter and liquid crystal panel |
Jun. 23, 2009 |
| 7550555 |
Sintering ultrahigh molecular weight polyethylene |
Jun. 23, 2009 |
| 7547756 |
Benzimidazole-containing sulfonated polyethersulfones |
Jun. 16, 2009 |
| 7541427 |
Method for desolvation of polymer solution |
Jun. 2, 2009 |
| 7538180 |
Biologically absorbable coatings for implantable devices based on poly(ester amides) and methods for fabricating the same |
May. 26, 2009 |
| 7534854 |
Apparatus and method for oxidation and stabilization of polymeric materials |
May. 19, 2009 |
| 7531618 |
Polyester process using a pipe reactor |
May. 12, 2009 |
| 7528221 |
Modified polytetrafluoethylene molded article and process for manufacture thereof |
May. 5, 2009 |
| 7524924 |
Method to purify poly(vinyl alcohol) |
Apr. 28, 2009 |
| 7511081 |
Recycled method for a wasted polymer which is mixed polyester polyamide and reclaimed materials thereof |
Mar. 31, 2009 |
| 7504461 |
Ion-conductive copolymers containing one or more ion-conducting oligomers |
Mar. 17, 2009 |
| 7501482 |
Crystallizer temperature control via solid additive control |
Mar. 10, 2009 |
| 7501483 |
Molecule nanoweaver |
Mar. 10, 2009 |
| 7491791 |
Method for producing submicron polytetrafluoroethylene powder and products thereof |
Feb. 17, 2009 |
| 7491751 |
Method for processing polyester wastes |
Feb. 17, 2009 |
| 7491792 |
Polymer powder with block polyetheramide, use in a shaping process, and moldings produced from this polymer powder |
Feb. 17, 2009 |
| 7488783 |
Method for the production of polyactide from a solution of lactic acid or one of the derivatives thereof |
Feb. 10, 2009 |
| 7473759 |
Apparatus and method for removing solvent from carbon dioxide in resin recycling system |
Jan. 6, 2009 |
| 7473758 |
Solvent cleaning system and method for removing contaminants from solvent used in resin recycling |
Jan. 6, 2009 |
| 7470766 |
Method for removing contaminants from plastic resin |
Dec. 30, 2008 |
| 7470767 |
Preparation of ultrapure polymeric articles |
Dec. 30, 2008 |
| 7465780 |
Polyimide comprising sulfonic acid group at the terminal of side chain, and polymer electrolyte and fuel cell using the same |
Dec. 16, 2008 |
| 7462685 |
Method for removing contaminants from plastic resin |
Dec. 9, 2008 |
| 7462684 |
Preparation of transparent, multilayered articles containing polyesters comprising a cyclobutanediol and homogeneous polyamide blends |
Dec. 9, 2008 |
| 7459488 |
Composition and process for recovery of spilled hydrocarbons from aqueous environments |
Dec. 2, 2008 |
| 7452962 |
Method of removing contaminants from plastic resins |
Nov. 18, 2008 |
| 7439308 |
Process for producing (meth)acrylic polymer terminated by crosslinkable silyl group |
Oct. 21, 2008 |
| 7393916 |
Method of reducing gels in polyolefins |
Jul. 1, 2008 |
| 7393915 |
Method for producing polyorganosiloxane-containing resin |
Jul. 1, 2008 |
| 7390869 |
Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species |
Jun. 24, 2008 |
| 7388069 |
Method to purify poly(vinyl alcohol) |
Jun. 17, 2008 |
| 7384608 |
Batchwise heating apparatus and method of drying a polyamide |
Jun. 10, 2008 |
| 7381788 |
Method for continuous production of polyamide |
Jun. 3, 2008 |
| 7371808 |
Polymer treating method and apparatus |
May. 13, 2008 |
| 7368521 |
Method of producing modified polycarbonate using spray-crystallizing method |
May. 6, 2008 |
| 7365151 |
Solvent for treating polystyrene resin and method of treating polystyrene resin with the same |
Apr. 29, 2008 |
| 7358328 |
Method and device for increasing the intrinsic viscosity of polyester material by means of solid phase polymerisation |
Apr. 15, 2008 |
| 7354990 |
Purified polymeric materials and methods of purifying polymeric materials |
Apr. 8, 2008 |
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