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. 14, 1984
Filed:
Nov. 30, 1982
Applicant:
Inventors:
Paolo Koch, S. Giuliano Milanese, IT;
Alberto Santambrogio, Corsico, IT;
Assignee:
Agip Petroli S.p.A., Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 334 ; 252 405 ; 252 42 ;
Abstract
The process for the production of superbasic detergents from sulphonates and/or sulphophenates and an oxide or an hydroxide of an alkali metal or an alkaline earth metal is carried out in the presence of an ester of the carbonic acid, preferably in the presence of dimethylcarbonate.