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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 |
597 |
| 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 |
252 |
| 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 |
| 7008999 |
Method for doping a polymer |
Mar. 7, 2006 |
| 6995233 |
Process for manufacturing polyamides |
Feb. 7, 2006 |
| 6995192 |
Radiation-curable prepolymers |
Feb. 7, 2006 |
| 6987150 |
Modified sulfonamide polymers |
Jan. 17, 2006 |
| 6974858 |
Process of fractionating polymers |
Dec. 13, 2005 |
| 6962967 |
Method of purifying polyether polyols of non-volatile impurities |
Nov. 8, 2005 |
| 6960645 |
Synthesis of ion imprinted polymer particles |
Nov. 1, 2005 |
| 6946524 |
Methods for producing polyester amides based on polyisobutylenes, polyester amides produced thereby, and uses therefor in stabilizing crude oil |
Sep. 20, 2005 |
| 6939942 |
Method of treating by-product salt yielded with polyarylene sulfide |
Sep. 6, 2005 |
| 6916901 |
Production of polyamide |
Jul. 12, 2005 |
| 6911523 |
Method to decrease the aldehyde content of polyesters |
Jun. 28, 2005 |
| 6906168 |
Process for fractionation/concentration to reduce the polydispersivity of polymers |
Jun. 14, 2005 |
| 6903242 |
Method for dehalogenation treatment of halogen containing non-combustible resin composition |
Jun. 7, 2005 |
| 6890584 |
Flexographic ink containing a polymer or copolymer of a 3,4-dialkoxythiophene |
May. 10, 2005 |
| 6891016 |
Alkylenedioxythiophene dimers and trimers |
May. 10, 2005 |
| 6881477 |
Method for producing a polyamide compound |
Apr. 19, 2005 |
| 6878796 |
Solvent systems for polymeric dielectric materials |
Apr. 12, 2005 |
| 6878802 |
Method of producing an alcoholic solutions of polyetrahydrofurane that comprises terminal OH groups |
Apr. 12, 2005 |
| 6878797 |
Synthesis and applications of polymaleimide |
Apr. 12, 2005 |
| 6875838 |
Process for reducing caprolactam and its oligomers in nylon-6 pre-polymer |
Apr. 5, 2005 |
| 6872802 |
Plastic articles digestible by hot alkaline treatment |
Mar. 29, 2005 |
| 6864354 |
Modified polyamides, polyamide compositions, and method for making same |
Mar. 8, 2005 |
| 6863828 |
Process for separation and recovery of polyethylene glycol (PEG) from spent aquesous two-phase systems |
Mar. 8, 2005 |
| 6852830 |
3,4-alkylenedioxythiophene compounds and polymers thereof |
Feb. 8, 2005 |
| 6846901 |
Liquid initiator for accelerating the progress of the anionic lactam polymerization, method for producing the same and the use thereof |
Jan. 25, 2005 |
| 6841656 |
Method of processing a polycondensate in a multi-screw extruder |
Jan. 11, 2005 |
| 6838545 |
Reaction of fluoropolymer melts |
Jan. 4, 2005 |
| 6835803 |
Method for doping a polymer |
Dec. 28, 2004 |
| 6833415 |
Continuous slurry polymerization process and appparatus |
Dec. 21, 2004 |
| 6833434 |
Noctilucent polyurethane chips and methods of manufacturing the same |
Dec. 21, 2004 |
| 6833433 |
Method for producing aliphatic oligocarbonate diols |
Dec. 21, 2004 |
| 6818736 |
Polymeric material, molded product and methods for their production |
Nov. 16, 2004 |
| 6806344 |
POLY-O-HYDROXAMIDE, POLYBENZOXAZOLE, AND ELECTRONIC COMPONENT INCLUDING A DIELECTRIC HAVING A BARRIER EFFECT AGAINST COPPER DIFFUSION, AND PROCESSES FOR PREPARING POLY-O-HYDROXYAMIDES, POLYBEN |
Oct. 19, 2004 |
| 6806348 |
Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol |
Oct. 19, 2004 |
| 6806350 |
Washing process for the purification of polymers containing N or amino, ammonium or spirobicyclic ammonium groups |
Oct. 19, 2004 |
| 6800725 |
Process for removing hydrogenation catalyst residue from hydrogenated polymers |
Oct. 5, 2004 |
| 6794486 |
Process for removing a dithiocarbonyl group at the end of a polymer chain |
Sep. 21, 2004 |
| 6790932 |
Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE |
Sep. 14, 2004 |
| 6790933 |
Low protein natural latex articles |
Sep. 14, 2004 |
| 6787632 |
Organo-titanate catalysts for preparing pure macrocyclic oligoesters |
Sep. 7, 2004 |
| 6780966 |
Coagulation process of PTFE fine powders |
Aug. 24, 2004 |
| 6774208 |
Friction heat, cryogenic quench solid state polymerization |
Aug. 10, 2004 |
| 6765083 |
Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers |
Jul. 20, 2004 |
| 6756474 |
Aqueous conductive dispersions of polyaniline having enhanced viscosity |
Jun. 29, 2004 |
| 6756475 |
Preparation of polyoxymethylenes |
Jun. 29, 2004 |
| 6756473 |
Process for the preparation of neutral polyethylenedioxythiophene, and corresponding polyethylenedioxythiophenes |
Jun. 29, 2004 |
| 6753406 |
Process and means for reducing formaldehyde emission during the processing of thermoplastics with admixed polyacetal |
Jun. 22, 2004 |
| 6750312 |
Process for the preparation of supports for solid phase synthesis |
Jun. 15, 2004 |
| 6750315 |
Polyether aromatic ketone resin composition and its film and sheet |
Jun. 15, 2004 |
| 6750316 |
High-molecular polyamide |
Jun. 15, 2004 |
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