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:
Jul. 12, 2022
Filed:
Mar. 04, 2021
Somerset Therapeutics Llc, Hollywood, FL (US);
Rahul Kalhapure, Somerset, NJ (US);
Prem Sagar Akasapu, Somerset, NJ (US);
Veerappan Subramanian, Somerset, NJ (US);
Ilango Subramanian, Somerset, NJ (US);
Somerset Therapeutics LLC, Hollywood, FL (US);
Abstract
The present invention relates to a process for preparation of an insoluble corticosteroid and a soluble corticosteroid composition by moist heat sterilization and homogenization. In particular, the invention relates to a process for the preparation of a sterilized suspension of betamethasone acetate and betamethasone sodium phosphate, wherein the process comprises sterilizing a slurry of the betamethasone acetate by moist heat sterilization or autoclaving in about 30% to about 70% of water to a temperature of about 115° C. to about 128° C. for about 15 minutes to about 60 minutes under nitrogen atmosphere. The suspensions prepared by using the current invention exhibited good physical and chemical stability. Compositions related thereto are also disclosed.