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Serving leading biopharmaceutical companies globally:

AstraZeneca
Covington
Johnson and Johnson
Moodys
Merck
Medtronic
Federal Trade Commission
Julphar
Express Scripts
Colorcon

Generated: February 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,585,597

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Summary for Patent: 4,585,597
Title: 3-benzylidene-camphors, process for their preparation and their use in protection against UV rays
Abstract:The invention relates to new 3-benzylidene-camphor derivatives of the formula: ##STR1## in which R.sub.1 denotes H or SO.sub.3.sup..crclbar. M.sup..sym., with M=H, an alkali metal or N.sup..sym. (R.sub.3).sub.4, with R.sub.3 =H or C.sub.1 -C.sub.4 alkyl or hydroxyalkyl; R.sub.2 denotes C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy and n=0-4; and Z denotes ##STR2## in which R.sub.4 has the same meaning as R.sub.1 and can be identical or different, or alternatively ##STR3## in which R.sub.5 denotes H, optionally substituted aryl, C.sub.1 -C.sub.4 alkyl, --CN, --COOR7 or ##STR4## and R.sub.6 denotes --COOR.sub.8 or ##STR5## in which R.sub.7 and R.sub.8, which are identical or different, denote alkyl, alkenyl, cycloalkyl or aralkyl and R.sub.9 and R.sub.10, which are identical or different, denote H, alkyl, alkenyl or cycloalkyl; if R.sub.5 =H, alkyl or aryl, R.sub.6 can represent --COO.sup..crclbar. M.sup..sym. ; the methylidene-camphor radical, on the one hand, and the radical Z, on the other hand, are in the meta or para position. These derivatives act as sun filters.
Inventor(s): Lang; Gerard (Saint Gratien, FR), Leduc; Madeleine (Paris, FR), Malaval; Alain (Aulnay-sous-Bois, FR)
Assignee: L'Oreal (Paris, FR)
Application Number:06/505,090
Patent Claim Types:
see list of patent claims
Compound; Formulation; Composition; Use;

Drugs Protected by US Patent 4,585,597

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,585,597

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France82 10425Jun 15, 1982

International Patents Family Members for US Patent 4,585,597

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 391687 ➤ Try a Free Trial
Austria 400807 ➤ Try a Free Trial
Austria A207088 ➤ Try a Free Trial
Austria A220283 ➤ Try a Free Trial
Australia 1576583 ➤ Try a Free Trial
Australia 574961 ➤ Try a Free Trial
Belgium 897051 ➤ Try a Free Trial
Canada 1204779 ➤ Try a Free Trial
Switzerland 658451 ➤ Try a Free Trial
Germany 3321679 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Healthtrust
Chubb
Accenture
Cantor Fitzgerald
Express Scripts
Mallinckrodt
Baxter
AstraZeneca
Medtronic

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