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:
Apr. 18, 1989
Filed:
Jun. 09, 1986
Applicant:
Inventors:
David L Lee, Martinez, CA (US);
Donald R James, El Sobrante, CA (US);
William J Michaely, Richmond, CA (US);
Assignee:
Stauffer Chemical Company, Westport, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558414 ; 568 31 ; 568 42 ; 568329 ; 549446 ; 549362 ; 71 88 ; 71 98 ; 71103 ; 71105 ; 71123 ;
Abstract
Compounds having the structural formula ##STR1## wherein R.sub.1, R.sub.2 R.sub.3, R.sub.4 and R.sup.5 are the same or different and are selected from the group consisting of hydrogen, chlorine, bromine, iodine, nitro, alkyl having from 1 to 4 carbon atoms, alkoxy having from 1 to 4 carbon atoms, trifluoromethyl, trifluoromethoxy, cyano, alkylsulfonyl, and alkylthio having from 1 to 4 carbon atoms, and wherein R.sub.2 and R.sub.3 or R.sub.3 and R.sub.4 together can be methylene or ethylenedioxy.