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.:

US 9808429 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 07, 2017

Filed:

Aug. 18, 2014
Applicant:

Swansea University, Swansea, GB;

Inventors:

Zhidao Xia, Swansea, GB;

Alan Marsh, Swansea, GB;

Assignee:

Swansea University, Swansea, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01); A61K 9/50 (2006.01); A61K 31/593 (2006.01); A61K 31/122 (2006.01); A61F 13/02 (2006.01);
U.S. Cl.
CPC ...
A61K 9/703 (2013.01); A61K 9/5031 (2013.01); A61K 9/7092 (2013.01); A61K 31/122 (2013.01); A61K 31/593 (2013.01); A61F 13/0259 (2013.01);
Abstract

A topical drug delivery patch () comprising a drug delivery layer () including microspheres () encapsulating a drug, said microspheres being carried in a hydro gel. The drug delivery layer has a support layer () which is attached to a first face of the drug deliver layer and a releasable protective layer () attached to a second face of the drug delivery layer. The releasable protective layer can be peeled away do the patch can be applied to the skin to release drugs in the microspheres. The patch is particularly useful for treating skin conditions such as psoriasis and eczema.


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Xia, Zhidao. (2017). Topical drug patch including microspheres (U.S. Patent No. 9808429). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9808429

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