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:
Jul. 23, 1996
Filed:
Apr. 17, 1995
Applicant:
Inventors:
Masato Goto, Saitama, JP;
Makoto Nishishita, Saitama, JP;
Yoshihiro Kojima, Saitama, JP;
Sanae Ueda, Saitama, JP;
Assignees:
Cosmo Research Institute, Tokyo, JP;
Cosmo Oil Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508331 ; 508332 ;
Abstract
Disclosed is a process for producing a mixture of sulfurized alkaline earth metal salts of a salicylic acid compound and a phenol which comprises reacting either a mixture of reactants comprising a phenol, a dihydric alcohol, and an alkaline earth metal oxide and/or hydroxide or a mixture of these reactants and water, subsequently distilling off water and the dihydric alcohol, reacting the resulting bottom with carbon dioxide, and then adding a dihydric alcohol and elemental sulfur to the resulting reaction product to conduct sulfurization reaction.