Claims
- 1. A compound of the formula ##STR22## wherein n.sub.5 is 200 to 13000.
- 2. A process for the preparation of the compound of formula (4a) according to claim 1 in accordance with the following scheme: ##STR23## wherein n.sub.5 is 200 to 13000.
- 3. A process for the preparation of the compound of formula (4b) according to claim 1 in accordance with the following scheme: ##STR24## wherein n.sub.5 is 200 to 13000.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1744/93 |
Jun 1993 |
CHX |
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Parent Case Info
This is a divisional of Ser. No. 08/352,998 filed Dec. 9, 1994, which is a continuation-in-part of Ser. No. 08/255,495, filed Jun. 8, 1994, now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (5)
Number |
Date |
Country |
0210952 |
Feb 1987 |
EPX |
0557730 |
Sep 1993 |
EPX |
2650282 |
Feb 1991 |
FRX |
894993 |
Oct 1953 |
DEX |
9004608 |
May 1990 |
WOX |
Non-Patent Literature Citations (4)
Entry |
Derwent Abst. JP510 30184, 1976. |
Derwent Abst. JP 460 28226, (JP69-92890), 1969. |
Derwent Abstract, JP 58029801, 1983. |
Abstracts of Japan,16,JP 4141533, 1992. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
352998 |
Dec 1994 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
255495 |
Jun 1994 |
|