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:
Sep. 13, 2016
Filed:
Sep. 29, 2009
Applicant:
Luigi DE Ambrosi, Santhia, IT;
Inventor:
Luigi De Ambrosi, Santhia, IT;
Assignee:
LABORATORI DERIVATI ORGANICI SPA, Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/727 (2006.01); A61K 31/70 (2006.01); A61Q 19/08 (2006.01); A61K 8/73 (2006.01); A61K 31/726 (2006.01); A61Q 19/02 (2006.01);
U.S. Cl.
CPC ...
A61Q 19/08 (2013.01); A61K 8/73 (2013.01); A61K 31/726 (2013.01); A61Q 19/02 (2013.01); A61K 2800/522 (2013.01);
Abstract
The present invention relates to cosmetological and dermatological compositions comprising heparan sulfate. The invention further discloses a process for the purification of heparan sulfate for dermatological and cosmetological applications, which process comprises the following steps: solubilization of heparan sulfate in water, adsorption on an anion exchange resin, desorption from the resin by using conditions which result in selective desorption of hepar an sulfate. The cosmetological and dermatological compositions according to the invention show, inter alia, anti-age, lenitive, and whitening effect.