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:
Apr. 05, 2022
Filed:
Nov. 08, 2021
Nanopharmaceutics, Inc., Alachua, FL (US);
James Talton, Alachua, FL (US);
Nanopharmaceutics, Inc., Alachua, FL (US);
Abstract
The present invention relates to an aqueous hydrogel composition for topical application to skin or a wound, comprising doxycycline with carboxy-methyl-cellulose, glycerol, citric acid, and at least one pH stabilizer, wherein the composition includes a suspension or dispersion of particles of doxycycline chelated with calcium, said particles have an average diameter less than or equal to about 100 microns, wherein the doxycycline chelated with calcium is present in an amount ranging from greater than about 0.1 weight % to about 3 weight %, wherein the composition includes less than 0.5 weight % 4-epidoxycycline. The present invention also describes methods for making a composition for topical applications as well as methods of treating skin or a wound with an aqueous hydrogel composition comprising doxycycline with carboxy-methyl-cellulose, glycerol, citric acid, and at least one pH stabilizer.