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. 02, 2019
Filed:
Jun. 16, 2015
Applicant:
Rohm and Haas Company, Philadelphia, PA (US);
Inventors:
Xiaodong Lu, North Wales, PA (US);
Curtis Schwartz, Ambler, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/81 (2006.01); A61K 8/86 (2006.01); A61K 8/39 (2006.01); A61Q 17/04 (2006.01); A61Q 19/00 (2006.01); A61K 8/37 (2006.01);
U.S. Cl.
CPC ...
A61K 8/86 (2013.01); A61K 8/37 (2013.01); A61K 8/39 (2013.01); A61Q 17/04 (2013.01); A61Q 19/00 (2013.01); A61Q 19/007 (2013.01);
Abstract
Provided are compositions that are useful as oil-free emollients and SPF and UV absorption boosters in sunscreen formulations. The emollients are oil-soluble polyalkylene glycols, wherein the polyalkylene glycol comprises units derived from propylene oxide and units derived from butylene oxide, and in certain embodiments are compounds of Formula I:RO—(PO)—(BO)—H  (I)wherein PO is propyleneoxy, BO is butyleneoxy, R is a linear or branched C-Calkyl, n has an average value of from 5 to 20, and m has an average value of from 4 to 16.