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:
Nov. 15, 2005
Filed:
Apr. 28, 1999
Applicants:
Esteban Chornet, Sherbrooke, CA;
Severian Dumitriu, Sherbrooke, CA;
Inventors:
Esteban Chornet, Sherbrooke, CA;
Severian Dumitriu, Sherbrooke, CA;
Assignee:
Kemestrie Inc., Sherbrooke, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K009/107 ; A61K047/36 ;
U.S. Cl.
CPC ...
Abstract
A thermo- and photo stable composition comprising a chitosan/xanthan hydrogel including at least one thermo- or photo-sensitive substance chosen among the following: vitamins, amino-acids, nucleic acids, and polypeptides. The hydrogel can be adapted to release the thermo- or photo-sensible substances in either a human or an animal. The present invention also discloses a method of making these hydrogel composition. Additionally, the present invention presents a method of using these hydrogel composition in dermatology or as a food supplement.