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:
Dec. 19, 2000
Filed:
Jun. 25, 1998
Applicant:
Inventors:
Douglas L Pearson, Midland, MI (US);
Jimmy J Tai, Midland, MI (US);
Timothy J Adaway, Midland, MI (US);
Assignee:
Dow AgroSciences LLC, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; A01A / ;
U.S. Cl.
CPC ...
544263 ; 544-3 ; 544 14 ; 544179 ; 544180 ; 544224 ; 544200 ; 544450 ; 544484 ; 546-1 ; 546 28 ; 546184 ; 548100 ; 548122 ; 548250 ; 548255 ; 549-9 ; 549 13 ; 549 29 ; 549 88 ; 549 90 ; 549200 ; 504241 ;
Abstract
Chlorosulfonyl substituted aromatic heterocyclic compounds, such as 2-chlorosulfonyl[1,2,4]triazolo[1,5-c]pyrimidine compounds, were prepared in good yield by chloroxidation of di(aromatic heterocyclyl) disulfide compounds in a medium containing water, a water-immiscible organic solvent, and a phase transfer catalyst, such at tetrabutylammonium chloride.