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:
May. 02, 2000
Filed:
Apr. 30, 1996
Applicant:
Inventors:
David James Tracy, Plainsboro, NJ (US);
Paul Frank D'Angelo, Princeton, NJ (US);
Assignee:
Rhodia Inc., Cranbury, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
554 49 ; 554 68 ;
Abstract
Blends of N-acyl aminoalkane sulfonates and amphoteric and/or anionic surfactants can be prepared by quenching a molten reaction mixture of an aminoalkane sulfonate amidated with a fatty acid with an aqueous solution comprising an amphoteric and/or anionic surfactant. N--acyl aminoalkane sulfonates can be purified by quenching a molten reaction mixture in isopropanol.