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:
Mar. 20, 2018
Filed:
Oct. 06, 2015
Applicant:
Genepharm Biotech Corp, New Taipei, TW;
Inventors:
Xinfan Huang, Menlo Park, CA (US);
Guan-Wei He, New Taipei, TW;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01); A61K 8/81 (2006.01); A61K 9/06 (2006.01); A61K 8/04 (2006.01); A61K 47/32 (2006.01); A61Q 17/00 (2006.01); A61K 9/00 (2006.01); A61K 8/34 (2006.01);
U.S. Cl.
CPC ...
A61K 9/7015 (2013.01); A61K 8/042 (2013.01); A61K 8/34 (2013.01); A61K 8/8152 (2013.01); A61K 8/8158 (2013.01); A61K 8/8176 (2013.01); A61K 9/0014 (2013.01); A61K 9/06 (2013.01); A61K 47/32 (2013.01); A61Q 17/00 (2013.01); A61K 2800/262 (2013.01); A61K 2800/594 (2013.01);
Abstract
A method of forming a membrane on a patch of skin using a gel, for the purpose of protecting the skin area or administering pharmacologically active substances to or through the skin area. The main ingredients of the gel are an alkyl acrylate crosspolymer such as Carbopol Ultrez 20 and a water soluble polymer such as polyvinylpyrrolidone (PVP). The gel may also contain other ingredients such as water, ethanol, antioxidants, lubricants, and neutralizers. The gel has the properties of being colorless and clear, low skin and nose irritability, easy to administer, fast membrane forming time, and removable by washing with water.