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:
Oct. 13, 1981
Filed:
May. 01, 1980
Applicant:
Inventors:
Nicolas Hardy, Jemeppe-sur-Sambre, BE;
Georges Dancot, Jemeppe-sur-Sambre, BE;
Assignee:
Propylox (Societe Anonyme), Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
Organic solutions of percarboxylic acids are subjected to a wash by means of a dilute aqueous solution containing from 35 to 60% by weight of sulphuric acid, which if appropriate, is preceded by a preliminary wash by means of a concentrated aqueous solution containing more than 65% by weight of sulphuric acid.