The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 1988
Filed:
Apr. 30, 1987
Applicant:
Inventors:
Gerhard Staiger, Altoetting, DE;
Peter Kinzel, Feldkirchen, DE;
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 75 ; 560 61 ; 560 62 ; 560 23 ; 560 11 ; 560 21 ;
Abstract
The invention concerns compounds having the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 can mean identical or different radicals in any desired position on the benzene ring, namely fluoro, chloro, bromo, iodo, cyano, or nitro radicals, alkyl radicals having from 1 to 4 carbon atoms, cyclo alkyl radicals having from 3 to 7 carbon atoms, phenyl, phenylsulfonyl and phenoxy radicals and hydrogen;