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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 11051976 B1

PDFFull Text
Date of Patent:
Jul. 06, 2021

Filed:

Oct. 22, 2018

Preservative removal from eye drops

Applicant:

University of Florida Research Foundation, Inc., Gainesville, FL (US);

Inventors:

Anuj Chauhan, Golden, CO (US);

Kuan-Hui Hsu, Gainesville, FL (US);

Assignee:

University of Florida Research Foundation, Inc., Gainesville, FL (US);

Attorney:

Marshall, Gerstein & Borun LLP

Primary Examiner:

Tatyana Zalukaeva

Assistant Examiner:

Jessica R Arble

Int. Cl.
CPC ...
A61F 9/00 (2006.01); A61J 1/05 (2006.01); A61J 1/14 (2006.01); A61K 9/00 (2006.01); A61K 31/382 (2006.01); A61K 31/5377 (2006.01); A61K 31/5575 (2006.01); A61K 31/573 (2006.01); A61K 47/18 (2017.01); B01D 15/00 (2006.01); B01J 20/26 (2006.01); C08J 9/28 (2006.01); B65D 51/24 (2006.01);
U.S. Cl.
CPC ...
A61F 9/0008 (2013.01); A61J 1/05 (2013.01); A61J 1/1456 (2015.05); A61K 9/0048 (2013.01); A61K 31/382 (2013.01); A61K 31/5377 (2013.01); A61K 31/5575 (2013.01); A61K 31/573 (2013.01); A61K 47/186 (2013.01); B01D 15/00 (2013.01); B01J 20/261 (2013.01); C08J 9/286 (2013.01); B65D 51/24 (2013.01); C08J 2205/022 (2013.01); C08J 2205/044 (2013.01); C08J 2207/10 (2013.01); C08J 2333/14 (2013.01);
Abstract

A BAK removal device is constructed as a plug of microparticles of a hydrophilic polymeric gel that displays a hydraulic permeability greater than 0.01 Da. The polymer hydrophilic polymeric gel comprises poly(2-hydroxyethyl methacrylate) (pHEMA). The particles are 2 to 100 μm and the plug has a surface area of 30 mmto 2 mmand a length of 2 mm to 25 mm and wherein the microparticles of a hydrophilic polymeric gel has a pore radius of 3 to 60 μm.

Find Patent Forward Citations

Chauhan, Anuj. (2021). Preservative removal from eye drops (U.S. Patent No. 11051976). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11051976

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

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