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:
May. 16, 1978
Filed:
Apr. 11, 1975
Applicant:
Inventors:
Merle E Cisney, Camas, WA (US);
Neil J Lasater, Camas, WA (US);
Assignee:
Crown Zellerbach Corporation, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2606 / ;
Abstract
4,4'-substituted diaryl sulfones of high yield and high purity are selectively formed by the oxidation of 4,4'-substituted diaryl sulfides and diaryl sulfoxides, respectively, employing an aqueous slurry, including a molybdic acid-peroxide-catalyzed oxidation system, the aqueous slurry being maintained at a pH of less than about one.
Cisney, Merle. (1978). Process for selectively producing high-yield, high-purity (U.S. Patent No. 4089904). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4089904
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile