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. 14, 2016
Filed:
Jan. 12, 2011
Applicants:
Veronique Kessler, Basel, CH;
Maximilian Angel, Schifferstadt, DE;
Klemens Mathauer, Heidelberg, DE;
Inventors:
Veronique Kessler, Basel, CH;
Maximilian Angel, Schifferstadt, DE;
Klemens Mathauer, Heidelberg, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 1/06 (2006.01); A61Q 1/10 (2006.01); A61Q 17/04 (2006.01); A61K 8/81 (2006.01);
U.S. Cl.
CPC ...
A61K 8/8182 (2013.01); A61Q 1/06 (2013.01); A61Q 1/10 (2013.01); A61Q 17/04 (2013.01);
Abstract
The present invention relates to the use of copolymers comprising N-vinylpyrrolidone and a hydrophobically modified acrylic acid derivative as agents for improving the water resistance of a cosmetic formulation, and to the use of these copolymers in sunscreen compositions for increasing the sun protection factor, and furthermore the present invention relates to cosmetic formulations comprising these copolymers.