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Class Information
Number: 525/928
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Polyimide or polyamide-acid formed by condensation of a polyamine with a polycarboxylic acid having at least three carboxyl groups or derivatives thereof
Description: Subject matter under Class 525 involves a polyimide- or polyamide-acid formed by the condensation of a polyamine with a polycarboxylic acid having at least 3 carboxyl groups, anhydride thereof, or derivative thereof.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7314906 |
High molecular weight stereoregular head-tail poly(glucaramides) |
Jan. 1, 2008 |
| 7211303 |
Alignment film and LCD made of the same |
May. 1, 2007 |
| 7157204 |
Soluble polyimide for photosensitive polyimide precursor and photosensitive polyimide precursor composition comprising the soluble polyimide |
Jan. 2, 2007 |
| 7147920 |
Wafer dicing/die bonding sheet |
Dec. 12, 2006 |
| 6808819 |
Heat resistant resin composition and adhesive film |
Oct. 26, 2004 |
| 6127509 |
Polyimides having high Tg, high TOS, and low moisture regain |
Oct. 3, 2000 |
| 6117542 |
Flame retardant resin composition |
Sep. 12, 2000 |
| 5990267 |
Optical fibre and optical fibre tape, and method for making same |
Nov. 23, 1999 |
| 5866627 |
Photosensitive polyimide precursors |
Feb. 2, 1999 |
| 5866034 |
Heat resistant polymer composition, alignment layer formed using the same and liquid cyrstal display having the alignment layer |
Feb. 2, 1999 |
| 5667899 |
Electrically conductive bonding films |
Sep. 16, 1997 |
| 5605763 |
Electrically conductive bonding films |
Feb. 25, 1997 |
| 5571875 |
Polyimide based resin composition |
Nov. 5, 1996 |
| 5516837 |
Polyimide based resin composition |
May. 14, 1996 |
| 5514748 |
Polyimide based resin composition comprising cured phenolic resins and liquid crystal polymers |
May. 7, 1996 |
| 5510425 |
Polyimides, thermosetting resin compositions containing the polyimides, formed articles of the resin compositions, and production process of the polyimides |
Apr. 23, 1996 |
| 5446074 |
Photosensitive polyimide precursors |
Aug. 29, 1995 |
| 5401812 |
Thermosetting polyimide composition, thermoset product thereof and manufacturing process thereof |
Mar. 28, 1995 |
| 5332777 |
Unreinforced polyamide molding materials |
Jul. 26, 1994 |
| 5312866 |
Polyimide based resin composition |
May. 17, 1994 |
| 5300620 |
Heat-resistant adhesive and method of adhesion by using adhesive |
Apr. 5, 1994 |
| 5252700 |
Heat-resistant adhesive and method of adhesion by using adhesive |
Oct. 12, 1993 |
| 5248711 |
Toughened resin systems for composite applications |
Sep. 28, 1993 |
| 5157085 |
Polyimide resin composition |
Oct. 20, 1992 |
| 5132395 |
Polyimide resins prepared by addition reactions |
Jul. 21, 1992 |
| 5118765 |
Soluble and/or fusible polyamidoimide-polyimide block copolymers |
Jun. 2, 1992 |
| 5112924 |
Bismaleimide compositions containing high glass transition temperature and soluble reactive oligomers and composites prepared therefrom |
May. 12, 1992 |
| 5095076 |
Preparation of highly soluble conductive polymer materials |
Mar. 10, 1992 |
| 5086125 |
Polyimide resin composition |
Feb. 4, 1992 |
| 5013799 |
Polyetherimide-polyamide blends |
May. 7, 1991 |
| 4987188 |
Impact modification of a heat resistant thermoplastic polyimide |
Jan. 22, 1991 |
| 4959447 |
Copoly(imidine-imide) |
Sep. 25, 1990 |
| 4946908 |
Bismaleimide compositions containing high glass transition temperature and soluble reactive oligomers and composites prepared therefrom |
Aug. 7, 1990 |
| 4859715 |
Microporous poly (arylether ketone) article |
Aug. 22, 1989 |
| 4816516 |
Polyimide resin-fluoropolymer compositions |
Mar. 28, 1989 |
| 4760152 |
Pyrrolidonyl acrylate block polymers |
Jul. 26, 1988 |
| 4645804 |
Polycarbonate/imide hetero group condensation polymer blends |
Feb. 24, 1987 |
| 4579809 |
Positive image formation |
Apr. 1, 1986 |
| 4478913 |
Blended polyesterimide-polyesteramideimide electrical coating compositions |
Oct. 23, 1984 |
| 4468506 |
Polyetherimide blends |
Aug. 28, 1984 |
| 4461786 |
Blended polyesterimide-polyesteramide-imide electrical coating compositions |
Jul. 24, 1984 |
| 4448937 |
Blends of polyetherimides and block poly(esteramides) |
May. 15, 1984 |
| 4444958 |
Filled nylons |
Apr. 24, 1984 |
| 4384061 |
Thermosetting polycondensates containing amide and imide groups, and their use |
May. 17, 1983 |
| 4360633 |
Coating solution of polyetherimide oligomers |
Nov. 23, 1982 |
| 4340697 |
Heat resistant molding resin composition |
Jul. 20, 1982 |
| 4293670 |
Blends of poly(aryl ether) resins and polyetherimide resins |
Oct. 6, 1981 |
| 4250279 |
Polyarylate blends with polyetherimides |
Feb. 10, 1981 |
| 4233435 |
Polyesterimide resins and synthesis thereof |
Nov. 11, 1980 |
| 4225686 |
Blends of copolyimides with copolyamideimides |
Sep. 30, 1980 |
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