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:
Apr. 25, 1989
Filed:
Dec. 22, 1987
Applicant:
Inventor:
Prem S Juneja, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252547 ; 252 891 ; 252153 ; 25217415 ; 252548 ; 252550 ; 252551 ; 252D / ; 252D / ; 424 70 ; 564292 ;
Abstract
The present invention relates to processes for purifying quaternary cationic surfactant materials and rendering said materials substantially free of ultraviolet absorbing impurities having a maximum absorption in the range of from about 260 nm to about 280 nm. This invention also relates compositions containing purified quaternary cationic surfactant materials.
Juneja, Prem. (1989). Processes for purification of quaternary cationic surfactant materials (U.S. Patent No. 4824602). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4824602
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile