Claims
- 1. A polymer of the formula ##STR18## wherein A is a bivalent radical of the formula ##STR19## R is hydrogen or an alkyl radical containing 1 to 4 carbon atoms; and n is from 5 to about 40.
- 2. A polymer of claim 1 wherein A is ##STR20## and x is 30.
Parent Case Info
This application is a Division of Ser. No. 738,195, filed Nov. 3, 1976, U.S. Pat. No. 4,129,713, which is a Division of Ser. No. 585,962, filed June 11, 1975, U.S. Pat. No. 4,013,710 which is a Division of Ser. No. 292,926 filed Sept. 28, 1972, U.S. Pat. No. 3,910,992.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3705882 |
Csontos |
Dec 1972 |
|
3711451 |
Skillicorn |
Jan 1973 |
|
Divisions (3)
|
Number |
Date |
Country |
Parent |
738195 |
Nov 1976 |
|
Parent |
585962 |
Jun 1975 |
|
Parent |
292926 |
Sep 1972 |
|