US 5606013
POLYAMIC ACIDS AND POLYIMIDES
Assignee
CIBRA-GEIGY CORPORATION
Filed
Dec 31, 1986
Granted
Feb 25, 1997
Location
BETHEL CT US
Abstract
Polyamic acids and corresponding polyimides are prepared by reacting phenylindane diamines, aromatic polyfunctional anhydrides or esters thereof, and nadic anhydride or allylnadic anhydride end capping agents, the resulting products exhibiting excellent properties and being suitable for the preparation of prepregs, composites, adhesives, coatings, and the like.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 2, 1987
Rescinded
Mar 7, 1994
Duration
6 years, 8 months
Inventor
- 1MOHAMMAD A. CHAUDHARI
Record Details
- Patent number
- US 5606013
- Application
- 06948278
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
CIBRA-GEIGY CORPORATIONBack to patent indexSource: USPTO 35 USC §181 secrecy order records