Claims
- 1. A compound of the formula ##STR28## in which R.sup.3 and R.sup.4 are the same or different and represent an alkyl group with 1 to 4 carbon atoms and
- R.sup.5 is a divalent aliphatic hydrocarbon group with 1 to 10 carbon atoms.
Priority Claims (1)
Number |
Date |
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Kind |
3820030 |
Jun 1988 |
DEX |
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Parent Case Info
This is a division of application Ser. No. 07/353,349 filed May 17, 1989, now U.S. Pat. No. 5,124,446.
US Referenced Citations (5)
Divisions (1)
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Number |
Date |
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Parent |
353349 |
May 1989 |
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