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:
Aug. 20, 1991
Filed:
Jul. 30, 1990
Applicant:
Inventors:
Marshall D Bishop, Bartlesville, OK (US);
Lowell A Gray, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558234 ;
Abstract
Catalytic processes for the synthesis of thionocarbamates by contacting xanthates, and amines, especially primary amines in the presence of at least one suitable catalyst. Suitable catalysts for these processes include finely divided metallic catalysts such as suspended nickel and precious metal(s); for example, Raney Nickel or platinum/palladium on carbon support. Reaction is carried out at a most preferred temperature of from about 70.degree. C. to about 80.degree. C. and for about 8 hours to about 12 hours for example.