Last Updated: June 24, 2026

Details for Patent: 3,906,108

Name: Drug Patent Intelligence for US Patent 3906108
Creator: DrugPatentWatch
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Summary for Patent: 3,906,108

Title:	Stabilized tretinoin cream emulsion
Abstract:	A stabilized cream emulsion of tretinoin, capable of being stored without refrigeration for long periods of time without losing therapeutic effectiveness and while maintaining the uniformity and stability of the cream, contains xanthan gum as the stabilizer.
Inventor(s):	Lanny G Felty
Assignee:	Johnson and Johnson
Application Number:	US406126A
Patent Claim Types: see list of patent claims	Compound;

Drugs Protected by US Patent 3,906,108

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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 3,906,108

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	7408474	⤷ Start Trial
Belgium	820716	⤷ Start Trial
Canada	1031259	⤷ Start Trial
Germany	2448871	⤷ Start Trial
Denmark	136178	⤷ Start Trial
Finland	296074	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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