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Last Updated: July 28, 2021

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Details for Patent: 8,460,641

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Summary for Patent: 8,460,641
Title:Microemulsion process and composition
Abstract: An oil-in-water microemulsion or sub-micron emulsion composition for dermal delivery of at least one pharmaceutically active ingredient, comprising: a first part including at least one occlusive agent and one or more lipophilic surfactants dispersed throughout a second part including water and at least one hydrophilic surfactant, and a non-surfactant amphiphilic type compound, pharmaceutically active ingredient, and water. It has been found that if a non-surfactant amphiphilic type compound is added together with the second part as would conventionally be the case, a microemulsion or sub-micron emulsion is not formed, by adding the so called third part, phase assembly occurs at a lower temperature than would be expected and moreover, this phase appears to assist in maintaining the microemulsion or sub-micron emulsion characteristics of the formulation during storage at normal temperatures.
Inventor(s): Larm; Maria Graziella (Rosanna, AU), Harding; Ronald (North Warrandyte, AU), Johnston; Michael (Yarraville, AU), Abram; Albert Zorko (Wantirna, AU), Vijayakumar; Prema (Fremont, CA), Sun; Phoebe (Mountain View, CA)
Assignee: Stiefel Research Australia Pty Ltd (Rowville, AU)
Application Number:11/216,668
Patent Claim Types:
see list of patent claims
Composition; Delivery; Use;

Drugs Protected by US Patent 8,460,641

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mylan OLUX E clobetasol propionate AEROSOL, FOAM;TOPICAL 022013-001 Jan 12, 2007 AB2 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial Y TREATMENT OF CORTICOSTEROID-RESPONSIVE DERMATOSES ⤷  Free Forever Trial
Almirall VERDESO desonide AEROSOL, FOAM;TOPICAL 021978-001 Sep 19, 2006 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial Y TREATMENT OF ATOPIC DERMATITIS ⤷  Free Forever Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 8,460,641

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 051197 ⤷  Free Forever Trial
Australia 2005279704 ⤷  Free Forever Trial
Brazil PI0514806 ⤷  Free Forever Trial
Canada 2578594 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Harvard Business School
Boehringer Ingelheim
Johnson and Johnson

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