| |
 |
|
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 |
| 5652330 |
Preparation of polycondensates of citric acid and use thereof in detergents and cleaners |
Jul. 29, 1997 |
| 5652275 |
Process for the chemical recycling of polycarbonates |
Jul. 29, 1997 |
| 5646238 |
Preparation process of polyhydroxycarboxylic acid |
Jul. 8, 1997 |
| 5635582 |
Magnetic copolymer, a method of manufacture and applications thereof |
Jun. 3, 1997 |
| 5625010 |
Macromonomers having reactive side groups |
Apr. 29, 1997 |
| 5621071 |
Mesogenic novolacs and resins |
Apr. 15, 1997 |
| 5616683 |
Process for maintaining of improving the mechanical properties of fibers of aromatic copolyamides in alkaline media and shaped articles containing such fibers |
Apr. 1, 1997 |
| 5610266 |
Copolymers of trimethylenecarbonate and optionally inactive lactides |
Mar. 11, 1997 |
| 5608030 |
Process for the preparation of polyacetals |
Mar. 4, 1997 |
| H1633 |
Deodorizing polysulfide materials |
Feb. 4, 1997 |
| 5596070 |
High molecular weight polyamides obtained from nitriles |
Jan. 21, 1997 |
| 5585456 |
Repulpable wet strength resins for paper and paperboard |
Dec. 17, 1996 |
| 5576362 |
Insulating material and a circuit substrate in use thereof |
Nov. 19, 1996 |
| 5576415 |
Method for drying polyamide and method for solid-phase polymerization of polyamide |
Nov. 19, 1996 |
| 5574129 |
Process for producing lactic acid polymers and a process for the direct production of shaped articles from lactic acid polymers |
Nov. 12, 1996 |
| 5571657 |
Modified cation exhange process |
Nov. 5, 1996 |
| 5565546 |
Copolymer of carbon monoxide and ethylene containing ketal structures |
Oct. 15, 1996 |
| 5550211 |
Method for removing residual additives from elastomeric articles |
Aug. 27, 1996 |
| 5548060 |
Sulfonation of polyphosphazenes |
Aug. 20, 1996 |
| 5543495 |
Process for increasing the molecular weight of polyamides and other condensation polymers |
Aug. 6, 1996 |
| 5543494 |
Process for the production of poly(lactic acid) |
Aug. 6, 1996 |
| 5541284 |
Method for processing crude polyoxymethylene |
Jul. 30, 1996 |
| 5539081 |
Melt-stable lactide polymer composition and process for manufacture thereof |
Jul. 23, 1996 |
| 5527878 |
Amino acid copolymers of maleic acid |
Jun. 18, 1996 |
| 5521278 |
Integrated process for the manufacture of lactide |
May. 28, 1996 |
| 5516877 |
Crosslinkable carbonate polymers of dihydroxyaryl fluorene |
May. 14, 1996 |
| 5510182 |
Copolyestercarbonate composition derived from dihydric phenol, carbonate precursor and an alpha omega dicarboxylic acid |
Apr. 23, 1996 |
| 5510454 |
Production of poly(ethylene terephthalate) |
Apr. 23, 1996 |
| 5510448 |
Copolyestercarbonate composition derived from dihydricphenol, carbonate precursor and alpha omega-dicarboxylic acid |
Apr. 23, 1996 |
| 5508376 |
Alcohol soluble rigid-rod benzobisazole polymers |
Apr. 16, 1996 |
| 5496918 |
Process for improving the properties of polymers |
Mar. 5, 1996 |
| 5496920 |
Increasing the molecular weight of polyamides |
Mar. 5, 1996 |
| 5496922 |
Decolorization of polysuccinimide |
Mar. 5, 1996 |
| 5496916 |
Process for oxidizing polyarylene compounds containing thioether groups |
Mar. 5, 1996 |
| 5496891 |
Mixtures and concentrates for the preparation of polymers |
Mar. 5, 1996 |
| 5496917 |
Two-stage oxidation of polyarylene sulfides |
Mar. 5, 1996 |
| 5491213 |
Production of polysuccinimide |
Feb. 13, 1996 |
| 5486594 |
Polyketone polymers as nylon toughners |
Jan. 23, 1996 |
| 5484884 |
High molecular weight polyaniline films |
Jan. 16, 1996 |
| 5484882 |
Process for the continuous production of biodegradable polyester polymer |
Jan. 16, 1996 |
| 5484878 |
Process for preparing polysuccinimides from aspartic acid |
Jan. 16, 1996 |
| 5478921 |
Method of purifying bioabsorable polymer |
Dec. 26, 1995 |
| 5470505 |
Electrically conductive polyaniline |
Nov. 28, 1995 |
| 5463017 |
Process for preparing polysuccinimides from maleamic acid |
Oct. 31, 1995 |
| 5461085 |
Superabsorbent polymer and process for producing same |
Oct. 24, 1995 |
| 5442041 |
Removal of volatile substances from thermoplastic resins |
Aug. 15, 1995 |
| 5442042 |
Surface treatment of polyamide moldings and moldings obtained thereby |
Aug. 15, 1995 |
| 5438115 |
Process for preparing poly(arylene sulfide) polymers |
Aug. 1, 1995 |
| 5431982 |
Unidirectionally long biaxially oriented film of polyethylene-2,6-naphthalenedicarboxylate |
Jul. 11, 1995 |
| 5420241 |
Process for the purification of polycarbonate and polyester carbonate solutions |
May. 30, 1995 |
|
|
|
