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:
Nov. 15, 1994
Filed:
Nov. 16, 1993
Applicant:
Inventors:
Armando Marcotullio, San Donato Milanese, IT;
Laura Tinucci, Cervignano D'Adda, IT;
Massimo Ciali, Milan, IT;
Assignees:
Eniricerche S.p.A., Milan, IT;
Enichem Augusta Industriale S.r.l., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562121 ;
Abstract
Process for obtaining sulfonated paraffins containing more than 50% of polysulfonates, by weight, by causing essentially linear C.sub.12 -C.sub.20 paraffins to react with SO.sub.2 and O.sub.2, at a temperature comprised within the range of from 55 to 100.degree. C. and in the presence of a peroxide belonging to the class of peroxy dicarbonates.