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. 22, 1999
Filed:
Jul. 30, 1997
Applicant:
Inventors:
Ji Li, East Windsor, NJ (US);
Manilal Dahanayake, Princeton Junction, NJ (US);
Robert Lee Reierson, Cranbury, NJ (US);
David James Tracy, Plainsboro, NJ (US);
Assignee:
Rhodia Inc., Cranbury, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
510499 ; 562561 ; 562565 ; 554 58 ; 554 59 ; 510535 ; 510501 ; 510502 ; 510506 ; 510433 ;
Abstract
According to the invention, an improved class of amphoteric surfactant having improved surfactant properties characterized as mild and environmentally safe has been provided comprising compounds of the formula: ##STR1## The amphoteric surfactant of the subject invention have at least two hydrophobic moieties and at least two hydrophilic groups per molecule and are useful as emulsifiers, detergents, dispersants and solubilizing agents.