Claims
- 1. A dichloride of the formula, ##STR6## which has a trichloride impurity of the formula ##STR7## which is present in said dichloride at a concentration of less than about 1000 ppm.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of copending application Ser. No. 117,727, filed Feb. 1, 1980, now abandoned, which is a division of Ser. No. 919,461, filed June 27, 1978, now U.S. Pat. No. 4,221,901, which is a division of Ser. No. 765,654, filed Feb. 4, 1977 now U.S. Pat. No. 4,117,018.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4073814 |
Kinson et al. |
Feb 1978 |
|
4110541 |
Kinson |
Aug 1978 |
|
Non-Patent Literature Citations (1)
Entry |
Hubacher, Max P. J. Organic Chemistry, (1959) pp. 1949-1951. |
Divisions (2)
|
Number |
Date |
Country |
Parent |
919461 |
Jun 1978 |
|
Parent |
765654 |
Feb 1977 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
117727 |
Feb 1980 |
|