Claims
- 1. A compound of the formula ##STR8## wherein: R.sub.4 is C.sub.5 -C.sub.10 alkyl, C.sub.5 -C.sub.10 alkenyl, C.sub.5 -C.sub.8 cycloalkyl and C.sub.5 -C.sub.8 cycloalkenyl.
- 2. The compound of claim 1 wherein R.sub.4 is C.sub.5 -C.sub.10 alkyl.
- 3. The compound of claim 2 wherein R.sub.4 is n-pentyl.
- 4. The compound of claim 2 wherein R.sub.4 is 1,1-dimethylheptyl.
- 5. The compound of claim 2 wherein R.sub.4 is 1,2-dimethylheptyl.
Parent Case Info
This is a division of application Ser. No. 898,610 filed Apr. 21, 1978; which was a division of application Ser. No. 740,502 filed Nov. 10, 1976 issued July 25, 1978 as U.S. Pat. No. 4,102,902.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
2834814 |
Bain et al. |
May 1958 |
|
4061686 |
Hall et al. |
Dec 1977 |
|
Divisions (2)
|
Number |
Date |
Country |
Parent |
898610 |
Apr 1978 |
|
Parent |
740502 |
Nov 1976 |
|