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. 09, 1998
Filed:
Apr. 29, 1996
Applicant:
Inventors:
Ryuzou Watanabe, Hino, JP;
Shinri Tanaka, Hino, JP;
Katsuji Ota, Hino, JP;
Michiko Nagato, Hino, JP;
Tomio Horiuchi, Hino, JP;
Assignee:
Konica Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548144 ; 5483664 ; 548252 ; 5483605 ; 544114 ; 560 18 ; 558391 ;
Abstract
A method of manufacturing a sulfide comprises the steps of (a) dissolving a thiol in a solvent to form a solution; (b) oxidizing the thiol to a disulfide in the presence of a first oxidizing agent in the solution; (c) reacting the disulfide with a coupler in the presence of a base and a second oxidizing agent, without isolation of said disulfide from the solution, to form a reaction mixture in which the sulfide is produced; and (d) obtaining said sulfide.