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Class Information
Number: 528/179
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From phenol, phenol ether, or inorganic phenolate > With polycarboxylic acid or derivative as reactant > Polymerizing in the presence of a specified material other than a reactant and other than group ia or group iia material as sole metal atom
Description: Subject matter wherein a phenol, phenol ether, or inorganic phenolate is reacted with at least one reactant which is a polycarboxylic acid or polycarboxylic acid derivative in the presence of a specified material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605222 |
Copolyetherimides |
Oct. 20, 2009 |
| 7544445 |
Polyelectrolyte membrane and production method therefor |
Jun. 9, 2009 |
| 7408018 |
Elastomeric functional biodegradable copolyester amides and copolyester urethanes |
Aug. 5, 2008 |
| 7402650 |
Process for preparing polyarylate having high thermo-resistance and high transparency |
Jul. 22, 2008 |
| 7304122 |
Elastomeric functional biodegradable copolyester amides and copolyester urethanes |
Dec. 4, 2007 |
| 7211639 |
Composition comprising functionalized poly(arylene ether) and ethylene-alkyl (meth)acrylate copolymer, method for the preparation thereof, and articles prepared therefrom |
May. 1, 2007 |
| 7169878 |
Diamines, polyimide precursors and polyimides produced by using the diamines, and liquid crystal aligning agents |
Jan. 30, 2007 |
| 7148314 |
Process for preparation of functionalized polyimides |
Dec. 12, 2006 |
| 7135540 |
Polyhydroxyalkanoate copolymer including unit having bromo group in side chain and method for producing the same |
Nov. 14, 2006 |
| 7129318 |
RTM and RI processable polyimide resins |
Oct. 31, 2006 |
| 7090925 |
Dielectric films and materials therefor |
Aug. 15, 2006 |
| 7078477 |
Process for producing solvent-soluble polyimide |
Jul. 18, 2006 |
| 7074880 |
Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same |
Jul. 11, 2006 |
| 7074882 |
Polyimide resin for electrical insulating material |
Jul. 11, 2006 |
| 7071282 |
Benzimidazole diamine-based polyetherimide compositions and methods for making them |
Jul. 4, 2006 |
| 7070966 |
Method for obtaining polyhydroxyalkanoates (PHA) and the copolymers thereof |
Jul. 4, 2006 |
| 7026436 |
Low temperature polyimide adhesive compositions and methods relating thereto |
Apr. 11, 2006 |
| 7022810 |
Proton exchange membrane materials for the advancement of direct methanol fuel-cell technology |
Apr. 4, 2006 |
| 7019103 |
Polyamic acid oligomer, polyimide oligomer, solution composition, and fiber-reinforced composite material |
Mar. 28, 2006 |
| 7015304 |
Solvent free low-melt viscosity imide oligomers and thermosetting polyimide composites |
Mar. 21, 2006 |
| 6979721 |
Substituted cyclohexene endcaps for polymers with thermal-oxidative stability |
Dec. 27, 2005 |
| 6956098 |
High modulus polyimide compositions useful as dielectric substrates for electronics applications, and methods relating thereto |
Oct. 18, 2005 |
| 6927274 |
Resin compositions, processes for preparing the resin compositions and processes for forming resin films |
Aug. 9, 2005 |
| 6924348 |
Polyamide acid and polyimide, and optical material |
Aug. 2, 2005 |
| 6919418 |
Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers |
Jul. 19, 2005 |
| 6919422 |
Polyimide resin with reduced mold deposit |
Jul. 19, 2005 |
| 6916898 |
Process for producing polyimide |
Jul. 12, 2005 |
| 6911519 |
Low viscosity melt processable high temperature polyimides |
Jun. 28, 2005 |
| 6908685 |
Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrate |
Jun. 21, 2005 |
| 6890626 |
Imide-benzoxazole polycondensate and process for producing the same |
May. 10, 2005 |
| 6891067 |
Optical polyimide precursor, optical polyimide compound and fabricating method thereof |
May. 10, 2005 |
| 6887967 |
Thermosetting polyimide resin composition process for producing polyimide resin, and polyimide resin |
May. 3, 2005 |
| 6887580 |
Adhesive polyimide resin and adhesive laminate |
May. 3, 2005 |
| 6881815 |
Method for the preparation poly(etherimide)s |
Apr. 19, 2005 |
| 6852826 |
Manufacturing method of polyamic acid, and polyamic acid solution |
Feb. 8, 2005 |
| 6852828 |
Poly amic acid system for polyimides |
Feb. 8, 2005 |
| 6849706 |
Copolyetherimides |
Feb. 1, 2005 |
| 6824642 |
Phenyl-linked oxazole cyanates as dielectrics having good adhesive and filling properties |
Nov. 30, 2004 |
| 6797344 |
Aromatic diamine derivatives, the preparation thereof and alignment film materials containing same for liquid crystal display cell |
Sep. 28, 2004 |
| 6784275 |
Active energy ray-curable polyimide resin composition |
Aug. 31, 2004 |
| 6780960 |
Method of making a polyimide in a low-boiling solvent |
Aug. 24, 2004 |
| 6777525 |
Heat, moisture, and chemical resistant polyimide compositions and methods for making and using them |
Aug. 17, 2004 |
| 6774203 |
Method for producing liquid crystalline polyester |
Aug. 10, 2004 |
| 6770733 |
Polyimide copolymer |
Aug. 3, 2004 |
| 6750317 |
Material and additive for highly crosslinked chemically and thermally stable polyhydroxyamide polymers |
Jun. 15, 2004 |
| 6740371 |
Diaminobenzene derivative, polyimide obtained therefrom, and liquid-crystal alignment film |
May. 25, 2004 |
| 6737502 |
Method of synthesizing polyimides |
May. 18, 2004 |
| 6737503 |
Aromatic diamine and polyimide thereof |
May. 18, 2004 |
| 6710160 |
Polyamic acid, polyimide, process for producing these, and film of the polyimide |
Mar. 23, 2004 |
| 6642348 |
Melt processable PMR-type polyimides |
Nov. 4, 2003 |
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