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:
Jan. 24, 1989
Filed:
Oct. 30, 1987
Applicant:
Inventors:
Norman R Pearson, Walnut Creek, CA (US);
Shannon L Bartley, Concord, CA (US);
William A Kleschick, Martinez, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; C07D / ;
U.S. Cl.
CPC ...
71 92 ; 544281 ; 548337 ;
Abstract
Novel substituted imidazolo[1,2-a[pyrimidine-2-sulfonanilides are prepared are prepared from novel substituted imidazolo[1,2-a]pyrimidine-2-sulfonic acids by conversion to the corresponding sulfonyl halides and condensation with substituted anilines and by other methods. N-(2,6-difluorophenyl)-3-chloro-4,6-dimethylimidazolo[1,2-a]pyrimidine-2-s ulfonamide is typical of the compounds prepared. The compounds are useful general and selective pre- and post-emergence herbicides.