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:
Sep. 13, 2022
Filed:
Jun. 25, 2020
Alcon Inc., Fribourg, CH;
Steve Yun Zhang, Sugar Hill, GA (US);
Richard Charles Breitkopf, Dunwoody, GA (US);
Daqing Wu, Suwanee, GA (US);
Junhao Ge, Johns Creek, GA (US);
Maria F. Gubitosi Raspino, Lilburn, GA (US);
Augustine Twum Kumi, Grayson, GA (US);
Wei Liang, Johns Creek, GA (US);
Alcon Inc., Fribourg, CH;
Abstract
The invention is generally related to topical ophthalmic compositions comprising: from about 0.05 w/v % to about 5 w/v % of galactomannan polymer; a cis-diol and about 0.5 w/v % to about 10 w/v % of a hydrophilic copolymer which comprises (a) arylborono-containing repeating units each having a boronic acid, (b) repeating units of at least one phosphorylcholine-containing vinylic monomer, and (c) acrylic monomeric units of at least one acrylic monomer having 3 to 16 carbon atoms, the ophthalmic composition is substantially free of a borate for improving lubrication, hydration and drug delivery property.