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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Cipla
Johnson and Johnson
Medtronic
Cerilliant
AstraZeneca
Harvard Business School
US Army
Teva
Moodys

Generated: January 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 3,985,758

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Summary for Patent: 3,985,758
Title: 1,4-Dihydropyridine derivatives
Abstract:There are provided novel 1,4-dihydropyridine derivatives, particularly 2,6-dimethyl-4-(3'-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 3-.beta.-(N-benzyl-N-methylamino)ethyl ester and 5-methyl ester. The 1,4-dihydropyridine derivatives are characterized by cerebral vascular dilator activity.
Inventor(s): Murakami; Masuo (Tokyo, JA), Takahashi; Kozo (Tokyo, JA), Iwanami; Masaru (Yokohama, JA), Fujimoto; Masaharu (Tokyo, JA), Shibanuma; Tadao (Asaka, JA), Kawai; Ryutaro (Shiraoka, JA), Takenaka; Toichi (Tokyo, JA)
Assignee: Yamanouchi Pharmaceutical Co., Ltd. (Tokyo, JA)
Application Number:05/584,268
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 3,985,758

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: 3,985,758

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
48-25566Mar 3, 1973
48-52307May 11, 1973
48-83276Jul 24, 1973
48-134070Nov 29, 1973
48-20423Feb 20, 1973
48-44821Apr 20, 1973

International Patents Family Members for US Patent 3,985,758

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 334898 ➤ Subscribe
Austria 334902 ➤ Subscribe
Austria A138874 ➤ Subscribe
Austria A824375 ➤ Subscribe
Australia 6565574 ➤ Subscribe
Belgium 811324 ➤ Subscribe
Canada 1023746 ➤ Subscribe
Canada 1029021 ➤ Subscribe
Canada 1029022 ➤ Subscribe
Switzerland 605755 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Daiichi Sankyo
Mallinckrodt
Farmers Insurance
Argus Health
Fish and Richardson
Medtronic
Citi
Chubb

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 verifification 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.

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