Claims
- 1. A diacrylic acid ester of the formula ##STR34## wherein R.sub.1 and R.sub.3 are independently hydrogen or methyl,
- R.sub.2 is hydrogen, lower alkyl, lower alkyl interrupted by oxygen, or phenyl, or R.sub.2 and R.sub.3 together represent trimethylene or tetramethylene,
- R.sub.6 and R.sub.7 are independently hydrogen or alkyl of 1 to 4 carbon atoms,
- R.sub.8, r.sub.9, r.sub.10 and R.sub.11 are independently hydrogen or alkyl of 1 to 4 carbon atoms, and
- m and n are each a whole number having a value of 1 to 30.
- 2. A diacrylic acid ester according to claim 1 wherein R.sub.10 and R.sub.11 are independently alkyl of 1 to 4 carbon atoms.
- 3. A diacrylic acid ester according to claim 1 of the formula: ##STR35##
Priority Claims (1)
Number |
Date |
Country |
Kind |
5557/71 |
Apr 1971 |
CH |
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Parent Case Info
This is a division of application Ser. No. 471,407 filed on May 20, 1974, now U.S. Pat. 3,932,176 issued Jan. 13, 1976, which in turn is a division of application Ser. No. 241,386, filed on Apr. 5, 1972, now U.S. Pat. No. 3,852,302 issued Dec. 4,1974.
US Referenced Citations (5)
Divisions (2)
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Number |
Date |
Country |
Parent |
471407 |
May 1974 |
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Parent |
241386 |
Apr 1972 |
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