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.

Date of Patent:
Nov. 04, 2014

Filed:

May. 02, 2012
Applicant:

Tsu-tai Lin, Taipei, TW;

Inventor:

Tsu-Tai Lin, Taipei, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/795 (2006.01); A61P 31/00 (2006.01); A61K 31/785 (2006.01); B32B 37/12 (2006.01); B32B 38/04 (2006.01); B32B 37/02 (2006.01);
U.S. Cl.
CPC ...
A61K 31/785 (2013.01); B32B 37/02 (2013.01); A61K 31/795 (2013.01); B32B 2535/00 (2013.01); B32B 2309/04 (2013.01); B32B 2310/0831 (2013.01);
Abstract

A method of preparing hydrogel structure, wherein the hydrogel structure comprises: (a) a one way penetrating polyurethane film layer, (b) a hydrophobic pressure sensitive adhesive layer, (c) a multi-directional elastic meltblown nonwoven, (d) an interpenetrating polymer network, and (e) a hydrophilic hydrogel; and the method comprises: (i) coating the hydrogel in a form of solution on the meltblown non-woven to form a product, (ii) UV curing the productin step (i), forming a composite comprising a hydrogel layer on the top, an interpenetrating polymer network in the middle, and a meltblown non-woven layer on the bottom, wherein the interpenetrating polymer network is a mixture of the hydrogel and the meltblown non-woven, (iii) providing polyurethane film layer coated with pressure sensitive adhesive layer, and (iv) laminating part of exposed fibers of meltblown non-woven with the pressure sensitive adhesive layer, forming a hydrogel structure.


Find Patent Forward Citations

Lin, Tsu-Tai. (2014). Method of preparing hydrogel structure (U.S. Patent No. 8877169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8877169

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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