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.

Date of Patent:
Sep. 12, 2000

Filed:

Dec. 29, 1997
Applicant:
Inventors:

Abel G Pereira, Belleville, NJ (US);

Patrick Obukowho, Fords, NJ (US);

Manuel Gamez Garcia, Flemington, NJ (US);

Nancy King, Avis, PA (US);

Assignee:

Croda, Inc., Parsippany, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
516 57 ; 424 59 ; 424 709 ; 424 7023 ; 514941 ;
Abstract

An oil-in-water emulsifier composition including between about 10 percent and about 70 percent by weight of a blend of mono- and diester phosphates of alkoxylated fatty alcohols containing between about 12 and 22 carbon atoms and alkoxylated with between about 1 and about 50 moles of an alkylene oxide selected from the group consisting of ethylene oxide, propylene oxide and mixtures thereof, wherein the mono- and diester ratio is between about 10:90 and about 90:10; and between about 90 percent and about 30 percent by weight of a blend of mono- and di-ester phosphates of fatty alcohols containing between 12 and 22 carbon atoms, wherein the mono- and diester ratio is between about 10:90 and about 90:10. Emulsifying waxes, oil-in-water emulsions and microemulsions, and topical compositions formulated therefrom are also disclosed.


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