Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
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) 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 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:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7619013 Reclaimed resin composition produced from pulverized waste plastic material containing solid foreign materials Nov. 17, 2009
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
7579091 White electroluminescent polymeric material and preparation thereof Aug. 25, 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
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
7550555 Sintering ultrahigh molecular weight polyethylene Jun. 23, 2009
7550556 Highly stable resin, hardenable resin composition, production method therefor, color filter and liquid crystal panel 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

1 2 3 4 5 6 7 8 9 10 11 12 13


 
 
  Recently Added Patents
Method and system for managing high-bandwidth data sharing
Equalizer circuit, communication system, and method that is adaptive to varying launch amplitudes for reducing receiver error
Surface-emitting type semiconductor laser
Simulation techniques
Nickel powder, conductive paste, and multilayer electronic component using same
Brake friction pad
System that prevents reduction in data retention
  Randomly Featured Patents
Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system
Method of regulating the throughput in the electrochemical regeneration of chromosulfuric acid
Method for public conversation indication in a telephony exchange
Remote switch position determination using constant current signaling
Abrasive blasting apparatus
Method of coextruding mechanically interconnected multi-lever laminates with mechanical layer interconnection
Package for biscuit sticks
Systems and methods for a rack-mounted communications switch component
Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils
Use of tryptophan and analogs as plant growth regulators