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:
Feb. 21, 1989
Filed:
Dec. 22, 1986
Roy Y Yih, Doylestown, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
Sulfonium and sulfoxonium salts of the formula ##STR1## wherein X and Y are independently a hydrogen atom, a halogen atom, a trihalomethyl group, a nitro group, an alkyl group or a cyano group; Z is a halogen atom, a trihalomethyl group, an alkyl group, cyano group or --S(O).sub.m R, wherein m is 0, 1 or 2 and R is an alkyl group; A is a halogen atom, a nitro group or a cyano group; B is a negatively charged organic substituent; n is 0 or 1, each R.sup.1 is independently an alkyl group, an aryl group or --N(R.sup.2).sub.2 wherein R.sup.2 is an alkyl group or an aryl group; S is sulfur; and N is nitrogen, and compositions containing these salts exhibit herbicidal activity.