Claims
- 1. Novel water-soluble terpolymers having a molecular weight below 1,000,000 comprising:
- ______________________________________Ingredients Mole %______________________________________2-acrylamido-2-methylpropane- 57-61sulfonic acid, sodium salt (AMPS)acrylamide 20-35N,N--diallylacetamide 4-23______________________________________
- 2. A novel water-soluble terpolymer comprising:
- ______________________________________Ingredients Mole %______________________________________2-acrylamido-2-methylpropane- 58.4sulfonic acid, sodium salt (AMPS)acrylamide 32.5N,N--diallylacetamide 09.1______________________________________
- 3. The novel water-soluble terpolymers of claim 1 wherein said terpolymers have a molecular weight within the range of 10,000-500,000.
Parent Case Info
This application is a divisional application of our copending application, Ser. No. 530,814, filed Sept. 9, 1983, which is now U.S. Pat. No. 4,502,966.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4451631 |
Engelhardt |
May 1984 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
2836289 |
Mar 1979 |
DEX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
530814 |
Sep 1983 |
|