US 5614606
POLYAMIC ACIDS AND POLYIMIDES
Assignee
CIBA-GEIGY CORPORATION
Filed
Dec 31, 1986
Granted
Mar 25, 1997
Location
BETHEL CT US
Abstract
Polyamic acids and corresponding polyimides are prepared by reacting polyfunctional amines, aromatic polyfunctional anhydrides or esters thereof, and allyl-nadic 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Rescinded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 4, 1994
Duration
6 years, 8 months
Inventor
- 1MOHAMMAD A. CHAUDHARI
Record Details
- Patent number
- US 5614606
- Application
- 06948279
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
CIBA-GEIGY CORPORATIONBack to patent indexSource: USPTO 35 USC §181 secrecy order records