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:
Oct. 17, 1989
Filed:
May. 26, 1987
Applicant:
Inventor:
Alain Chene, Lyon, FR;
Assignee:
Rhone-Poulenc Agrochimie S.A., Lyon, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ;
U.S. Cl.
CPC ...
534560 ; 534558 ; 534564 ; 534751 ; 534886 ; 546 24 ; 546261 ; 546284 ; 546287 ; 546288 ; 546290 ; 546291 ; 546292 ; 549-6 ; 549 61 ; 549 63 ; 549 64 ; 549 65 ; 558 13 ; 558192 ; 558193 ; 558190 ; 558386 ; 558392 ; 558413 ; 560 12 ; 560 13 ; 560138 ; 560251 ; 560252 ; 560302 ; 562430 ; 562873 ; 562 15 ; 564 39 ; 564 49 ; 564 82 ; 564 83 ; 564 97 ; 564 91 ; 564 99 ; 552-8 ;
Abstract
Process for the preparation of aryloxy-benzoic acids containing a sulphonamide group by the direct reaction of a phenoxy-benzoic acid with a sulphonamide, in the presence of a halogenating agent such as P(O)Cl.sub.3.