Claims
- 1. Polyurethane elastomers which contain structural units having the formula ##STR14## wherein R represents a hydrogen atom or C.sub.1 to C.sub.4 alkyl radicals, and
- X represents fluorine, chlorine or bromine atoms.
- 2. The polyurethane elastomers of claim 1 wherein X is a chlorine atom.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2001772 |
Jan 1970 |
DEX |
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Parent Case Info
This is a continuation of application Ser. No. 477,949 filed June 10, 1974, which itself is a continuation of application Ser. No. 105,639 filed Jan. 11, 1971, both now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3036996 |
Kogon |
May 1962 |
|
3660326 |
Mallabar |
May 1972 |
|
Continuations (2)
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Number |
Date |
Country |
Parent |
477949 |
Jun 1974 |
|
Parent |
105639 |
Jan 1971 |
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