Claims
- 1. An at least partially soluble, film-forming, polyamide-imide or copolymer thereof, made from 3,5-diamino-t-butylbenzene.
- 2. An at least partially soluble, film-forming polyamide-imide or copolyamide-imide made from 3,5-diamino-t-butylbenzene and the acyl chloride derivative of trimellitic acid anhydride.
Parent Case Info
This is a division of application Ser. No. 509,165 filed Apr. 16, 1990 which in turn is a divisional of Ser. No. 212,510, filed June 28, 1988, now U.S. Pat. No. 4,946,934, which in turn is a CIP of 277,756 filed Nov. 30, 1988.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4245066 |
Nakagawa et al. |
Jan 1981 |
|
4885356 |
Milligan et al. |
Dec 1989 |
|
Divisions (2)
|
Number |
Date |
Country |
Parent |
509165 |
Apr 1990 |
|
Parent |
212510 |
Jun 1988 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
277756 |
Nov 1988 |
|