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Last Updated: July 30, 2021

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Patent: 5,688,761

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Summary for Patent: 5,688,761
Title: Convertible microemulsion formulations
Abstract:There is provided a water-in-oil (w/o) micro emulsion which readily converts to an oil-in-water (o/w) emulsion by the addition of aqueous fluid to the w/o microemulsion, whereby an water-soluble biologically-active material in the aqueous phase is released for absorption by the body. The w/o microemulsion contains a preferred high purity short chain monoglyceride surfactant. The w/o microemulsion is particularly useful for storing proteins and the like for ling periods of time at room temperature and above until they are ready for use, at which time the addition of aqueous fluid converts the microemulsion to an o/w emulsion and release the protein.
Inventor(s): Owen; Albert J. (West Chester, PA), Yiv; Seang H. (Wilmington, DE), Sarkahian; Ani B. (Bryn Mawr, PA)
Assignee: LDS Technologies, Inc. (Boothwyn, PA)
Application Number:08/406,862
Patent Claims:see list of patent claims

Details for Patent 5,688,761

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Smith And Nephew SANTYL collagenase OINTMENT;TOPICAL 101995 001 1965-06-04 ⤷  Free Forever Trial LDS Technologies, Inc. (Boothwyn, PA) 2039-02-26 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

International Patent Family for US Patent 5,688,761

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 9218147 ⤷  Free Forever Trial
World Intellectual Property Organization (WIPO) 9408604 ⤷  Free Forever Trial
United States of America 5444041 ⤷  Free Forever Trial
United States of America 5633226 ⤷  Free Forever Trial
United States of America 5646109 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration

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