Details for Patent: 4,717,720

✉ Email this page to a colleague

Summary for Patent: 4,717,720

Title:	Benzonaphthalene derivatives and compositions
Abstract:	A benzonaphthalene compound has the formula ##STR1## wherein R.sub.1 represents (i) ##STR2## or (ii) --CH.sub.2 OH; R.sub.6 represents ##STR3## or OR.sub.7 wherein R.sub.7 represents hydrogen, alkyl having 1-20 carbon atoms, monohydroxyalkyl or polyhydroxyalkyl, r' or r" represent hydrogen, lower alkyl, mono or polyhydroxyalkyl, aryl or a residue of an amino acid or a sugar, or together form a heterocycle; R.sub.2 represents hydrogen, alkyl having 1-15 carbon atoms, alkoxy having 1-4 carbon atoms or a cycloaliphatic radical; R.sub.3 represents hydrogen, hydroxy, alkyl having 1-4 carbon atoms, alkoxy having 1-10 carbon atoms, a cycloaliphatic radical, a thiocycloaliphatic radical or --O--Si(CH.sub.3).sub.2 --R.sub.8 wherein R.sub.8 represents lower alkyl; and R.sub.4 and R.sub.5 represent hydrogen, lower alkyl, hydroxy or lower acyloxy. This compound is useful in the topical and systemic treatment of dermatologic diseases and in the treatment of the degeneration of conjuctive tissues. The compound also possesses anti-tumor activity.
Inventor(s):	Shroot; Braham (Antibes, FR), Eustache; Jacques (Grasse, FR), Bernardon; Jean-Michel (Nice, FR)
Assignee:	Centre International de Recherches Dermatologiques (C.I.R.D.) (Valbonne, FR)
Application Number:	06/850,145
Patent Claim Types: see list of patent claims	Compound; Composition;

Drugs Protected by US Patent 4,717,720

Glossary

Subscribe to access the full database, or Sign Up
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

Foreign Priority and PCT Information for Patent: 4,717,720

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Luxembourg	85849	Apr 11, 1985

International Family Members for US Patent 4,717,720

Subscribe to access the full database, or Sign Up
Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0199636	⤷ Sign Up	300209	Netherlands	⤷ Sign Up
Austria	40675	⤷ Sign Up
Australia	4796190	⤷ Sign Up
Australia	5591286	⤷ Sign Up
Australia	595192	⤷ Sign Up
Australia	638223	⤷ Sign Up
Canada	1266646	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.