Claims
- 1. A stable aqueous emulsion containing a copolymer consisting essentially of acrylic acid and 1,1-dihydroperfluorooctyl methacrylate in a weight ratio of about 21:1 to 5:4.
- 2. The emulsion as defined in claim 1 wherein said copolymer has an acid equivalent of about 75 to 150.
- 3. A copolymer consisting essentially of acrylic acid and 1,1-dihydroperfluorooctylmethacrylate in a weight ratio of about 21:1 to 5:4.
Parent Case Info
This application is a continuation-in-part of my copending application, Ser. No. 414,880, filed on Nov. 12, 1973, now U.S. Pat. No. 3,912,681, which in turn is a continuation-in-part of Ser. No. 249,089, filed on May 1, 1972, now U.S. Pat. No. 3,836,496, the benefit of which filing dates are claimed.
US Referenced Citations (13)
Foreign Referenced Citations (1)
Number |
Date |
Country |
703,435 |
Feb 1954 |
UK |
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
414880 |
Nov 1973 |
|
Parent |
249089 |
May 1972 |
|