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:
Feb. 26, 2019
Filed:
Mar. 13, 2017
Hovione International Ltd., Wanchai, HK;
Mohammad Salman, Princeton, NJ (US);
Arturo Angel, Santa Rosa, CA (US);
Vijaya Swaminathan, San Francisco, CA (US);
George Magrath, Charleston, SC (US);
Hovione Scientia Limited, Ringaskiddy, IE;
Abstract
The invention relates to a topical suspension formulation that includes a tetracycline, a liquid medium and a polymeric gelling agent. The tetracycline may be in the form of its pharmaceutically acceptable salts, hydrates, or polymorphs and is in a suspended form within the formulation. The liquid medium is selected such that it does not dissolve or substantially minimally dissolves the tetracycline. The gelling agent is a polymeric hydrocarbon gelling agent. Preferably, the tetracycline has a particle size of less than or equal to about 20 microns.