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:
Jun. 19, 1990
Filed:
Jun. 07, 1989
Applicant:
Inventor:
Barbara C Stahly, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540490 ; 540488 ; 558 23 ; 560-9 ; 560147 ; 564 74 ; 564 78 ; 568 20 ;
Abstract
An amide is thiated to the corresponding thioamide by reacting it with phosphorus pentasulfide in the presence of a Group IIA metal fluoride as an adjuvant.