Make Better Decisions

  • Identify first generic entrants
  • Obtain formulation and manufacturing information
  • Drug patents in 130+ countries
➤ Start Trial

or, See Plans & Pricing

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Dow
Teva
Cantor Fitzgerald
Fuji
Argus Health
Federal Trade Commission
Johnson and Johnson
Moodys
Mallinckrodt
Queensland Health

Generated: January 17, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,985,864

« Back to Dashboard

Summary for Patent: 5,985,864
Title: Polymorphs of donepezil hydrochloride and process for production
Abstract:Donepezil hydrochloride, 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-yl]methylpiperidine hydrochloride, is provided here in the form of four polymorphs which are stable against heat and humidity in the pharmaceutical use. They can be industrially produced. They are specified by peaks in X-ray powder diffraction pattern and absorption peaks in infrared absorption spectra in potassium bromide.
Inventor(s): Imai; Akio (Ibaraki, JP), Watanabe; Hideaki (Ibaraki, JP), Kajima; Takashi (Ibaraki, JP), Ishihama; Yasushi (Ibaraki, JP), Ohtsuka; Akiyo (Ibaraki, JP), Tanaka; Tomohide (Ibaraki, JP), Narabu; Yukio (Ibaraki, JP)
Assignee: Eisai Co., Ltd. (Tokyo, JP)
Application Number:08/870,394
Patent Claim Types:
see list of patent claims
Compound; Process; Use; Composition;

Drugs Protected by US Patent 5,985,864

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

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

Foreign Priority and PCT Information for Patent: 5,985,864

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan8-146293Jun 07, 1996

International Patents Family Members for US Patent 5,985,864

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Russian Federation 2190603 ➤ Subscribe
Portugal 1211243 ➤ Subscribe
Poland 330362 ➤ Subscribe
Portugal 1019374 ➤ Subscribe
New Zealand 333197 ➤ Subscribe
Norway 20060377 ➤ Subscribe
Norway 985721 ➤ Subscribe
Norway 321267 ➤ Subscribe
South Korea 20000016417 ➤ Subscribe
South Korea 100545851 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

For more information try a trial or see the plans and pricing

Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Fuji
Cantor Fitzgerald
Deloitte
Medtronic
McKesson
Cipla
Chubb
QuintilesIMS

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.

botpot