Claims
- 1. A monomer of the structural formula ##STR3## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, are C.sub. -C.sub.4 -alkyl, Cl or Br, and n.sub.1, n.sub.2, n.sub.3 and n.sub.4, which may be the same or different, are 0, 1 or 2.
- 2. The monomer of claim 1 of the structural formula ##STR4##
Parent Case Info
This application is a division of application Ser. No. 383,893 filed June 1, 1982, now U.S. Pat. No. 4,463,163.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4449003 |
Sanderson |
May 1984 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
09184 |
Apr 1980 |
EPX |
Non-Patent Literature Citations (1)
Entry |
March, J., "Advanced Organic Chemistry Reactions, Mechanisms and Structure", 2nd Ed., p. 1130, McGraw-Hill Book Co. (1977). |
Divisions (1)
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Number |
Date |
Country |
Parent |
383893 |
Jun 1982 |
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