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Class Information
Number: 528/271
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From carboxylic acid or derivative thereof
Description: Subject matter under Class 520, ... involving polymers derived from at least one carboxylic acid or carboxylic acid derivative or processes of polymerizing; polymerizable composition containing as a reactant a carboxylic acid or derivative or process of preparing.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 528/272 |
From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof |
2,252 |
| 528/310 |
From imide- or lactam-containing compound, or from an amino-nitrogen containing carboxylic acid, or derivative of an amino-nitrogen-containing carboxylic acid |
1,095 |
| 528/332 |
With organic amine, or from organic amine salt of a carboxylic acid |
625 |
| 528/354 |
From compound having -c-c(=o)-o-c- group as part of a heterocyclic ring, e.g., lactone, etc. |
796 |
| 528/360 |
From sulfur-containing carboxylic acid |
103 |
| 528/361 |
From ether, metal alcoholate, or alcohol group-containing carboxylic acid; or from a derivative of a carboxylic acid which derivative contains an ether, metal alcoholate, or alcohol group |
969 |
| 528/362 |
From organic nitrile group-containing compound |
140 |
| 528/363 |
With nitrogen-containing reactant |
546 |
| 528/364 |
With sulfur-containing reactant |
153 |
| 528/365 |
With reactant containing at least one cyclic ether group |
274 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8252887 |
Biocompatible polymers for medical devices |
Aug. 28, 2012 |
| 8247527 |
Enhanced fine agglomerate mixture |
Aug. 21, 2012 |
| 8247523 |
Methods for producing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds, the purified monomers, and polymers derived therefrom |
Aug. 21, 2012 |
| 8247522 |
Production of non-solid-stated polyester particles having solid-stated properties |
Aug. 21, 2012 |
| 8247518 |
Multi-layer polymer film for printing and copying |
Aug. 21, 2012 |
| 8246869 |
Photo-responsive microencapsulation materials, compositions and methods of use thereof |
Aug. 21, 2012 |
| 8236136 |
Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making |
Aug. 7, 2012 |
| 8227559 |
Vinyl ester maleic acid derivative copolymers |
Jul. 24, 2012 |
| 8227554 |
Reactor system with optimized heating and phase separation |
Jul. 24, 2012 |
| 8211995 |
Method for the removal of alkaline or acidic compounds from a solvent-containing metal oxide dispersion, in particular silicic acid |
Jul. 3, 2012 |
| 8207287 |
Polycarbonate polymers containing bisphenol compounds |
Jun. 26, 2012 |
| 8202962 |
Integrated steam heating in polyester production process |
Jun. 19, 2012 |
| 8202591 |
Polyester resin, molded object thereof, and processes for producing these |
Jun. 19, 2012 |
| 8198397 |
Integrated steam heating in polyester production process |
Jun. 12, 2012 |
| 8193301 |
Biodegradable aliphatic-aromatic polyester |
Jun. 5, 2012 |
| 8193300 |
Biodegradable aliphatic-aromatic copolyester |
Jun. 5, 2012 |
| 8193299 |
Biodegradable aliphatic-aromatic copolyester |
Jun. 5, 2012 |
| 8193298 |
Biodegradable aliphatic-aromatic polyesters |
Jun. 5, 2012 |
| 8192694 |
Polyester production system employing an unagitated esterification reactor |
Jun. 5, 2012 |
| 8188212 |
Method of enhancing conductivity of conductive polymer product |
May. 29, 2012 |
| 8187788 |
Photosensitive resin composition and photosensitive film |
May. 29, 2012 |
| 8183338 |
Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof |
May. 22, 2012 |
| 8182971 |
Resin for toner and toner composition |
May. 22, 2012 |
| 8182888 |
Oxygen scavenging polymers |
May. 22, 2012 |
| 8178647 |
Copolyester ether elastomer compositions and methods of making copolyester ether elastomer compositions |
May. 15, 2012 |
| 8178646 |
Method for producing liquid-crystalline polyester powder |
May. 15, 2012 |
| 8178645 |
Room temperature curable polymers and precursors thereof |
May. 15, 2012 |
| 8173764 |
Solubilization and targeted delivery of drugs with self-assembling amphiphilic polymers |
May. 8, 2012 |
| 8168727 |
Polyester resin, production process therefor, and biaxially oriented polyester film comprising the polyester resin |
May. 1, 2012 |
| 8163843 |
Crystalline copolymers having high solubility in non-halogenated solvents, and their use |
Apr. 24, 2012 |
| 8163100 |
Synthetic microgel polymer compositions for treating and/or modifying hard surfaces |
Apr. 24, 2012 |
| 8153756 |
Fluorine-containing monomer, fluorine-containing polymer and surface treating agent |
Apr. 10, 2012 |
| 8138301 |
Convenient synthesis of 1.fwdarw.3 C-branched dendrons |
Mar. 20, 2012 |
| 8138233 |
Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET) |
Mar. 20, 2012 |
| 8129495 |
Coating compositions for containers and methods of coating |
Mar. 6, 2012 |
| 8129478 |
Polyester anhydride-based biopolymers |
Mar. 6, 2012 |
| 8124225 |
Aqueous floor polishing composition |
Feb. 28, 2012 |
| 8114954 |
Polyester process using a pipe reactor |
Feb. 14, 2012 |
| 8110609 |
Copolyetheresters derived from polyethylene terephthalate |
Feb. 7, 2012 |
| 8106145 |
High IV melt phase polyester polymer catalyzed with antimony containing compounds |
Jan. 31, 2012 |
| 8106142 |
Polyacetylinic oligomers |
Jan. 31, 2012 |
| 8106126 |
Polycarbonate-polyester blends, methods of manufacture, and articles thereof |
Jan. 31, 2012 |
| 8093348 |
Polyimides derived from novel asymmetric dianhydrides |
Jan. 10, 2012 |
| 8092835 |
Injectable microspheres |
Jan. 10, 2012 |
| 8088885 |
Method and installation for increasing the intrinsic viscosity of polyester material by solid phase polycondensation |
Jan. 3, 2012 |
| 8088834 |
Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET) |
Jan. 3, 2012 |
| 8084019 |
Personal care fixative |
Dec. 27, 2011 |
| 8080629 |
Polymer material useful for medical devices |
Dec. 20, 2011 |
| 8080191 |
Extrudable polyethylene terephthalate blend |
Dec. 20, 2011 |
| 8076448 |
Preparation of biodegradable polyesters with low-burst properties by supercritical fluid extraction |
Dec. 13, 2011 |
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