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Class Information
Number: 525/929
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Polyimide formed by addition of polyamine to an unsaturated bis-imide
Description: Subject matter under Class 525 involves a polyimide formed by the addition of a polyamine to an unsaturated bis-imide.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5990267 |
Optical fibre and optical fibre tape, and method for making same |
Nov. 23, 1999 |
| 5866034 |
Heat resistant polymer composition, alignment layer formed using the same and liquid cyrstal display having the alignment layer |
Feb. 2, 1999 |
| 5602213 |
Heat resistant composition bismaleimide-modified polyurethane |
Feb. 11, 1997 |
| 5434224 |
Thermoset and polyarylsulfone resin system that forms an interpenetrating network |
Jul. 18, 1995 |
| 5314984 |
Heat resistant resin compositions, articles and method |
May. 24, 1994 |
| 4444958 |
Filled nylons |
Apr. 24, 1984 |
| 4012361 |
Heat-stable polyimide resins from a bis-imide, a polyamine and an alazine |
Mar. 15, 1977 |
| 4005154 |
Curing 1,2-epoxy with prepolymer based on polyamines and oligomers possessing imide groups |
Jan. 25, 1977 |
| 3972960 |
Heat-stable polyimide resin modified by unsaturated polyester |
Aug. 3, 1976 |
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