Last Updated: November 8, 2026

Details for Patent: 3,729,568

Name: Drug Patent Intelligence for US Patent 3729568
Creator: DrugPatentWatch
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Summary for Patent: 3,729,568

Title:	Acne treatment
Abstract:	THEDERMATOLOGIC DISORDER CALLED ACNE VULGARIS IS CONTROLLED BY TOPICAL APPLICATION OF VITAMIN A ACIDT THE AFFECTED AREA. THE APPLICATION IS MADE DAILY WITH A COMPOSITION OF LOWVITAMIN A ACID CONTENT IN THE ORDER OF ABOUT 0.1%, BY WEIGHT, UNTIL THE ACNE IS RELIEVED. PARTICULARLY SUITABLE COMPOSITIONS FOR TOPICAL APPLICATIONS ARE ALSO PROVIDED.
Inventor(s):	A Kligman
Assignee:	Johnson and Johnson
Application Number:	US00860296A
Patent Claim Types: see list of patent claims

Drugs Protected by US Patent 3,729,568

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>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 3,729,568

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Canada	945069	⤷ Start Trial
Germany	2046119	⤷ Start Trial
France	2070083	⤷ Start Trial
United Kingdom	1325732	⤷ Start Trial
Italy	1059655	⤷ Start Trial
South Africa	7006459	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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