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:
Jun. 06, 1995
Filed:
Aug. 06, 1993
Applicant:
Inventors:
John F Helliwell, Merseyside, GB;
Barbara Y McFarquhar, Teaneck, NJ (US);
Virgilio Villa, Bergenfield, NJ (US);
Assignee:
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
436 72 ; 252547 ; 252544 ; 252545 ; 252546 ; 25217415 ; 25217423 ; 25217424 ; 252D / ; 252D / ; 252D / ; 252D / ; 252528 ; 25217417 ; 424 7013 ; 424 7015 ; 424 7017 ;
Abstract
This invention involves a method for determining silicone deposition enhancing cationic polymers to be formulated into silicone-containing formulations which comprises the steps of preparing a composition having an anionic surfactant, an amphoteric surfactant, silicone, and a cationic polymer, diluting that composition, and making a positive determination if flocculation occurs within three days.