BioPharmaceutical Business Intelligence

  • Identify first generic entrants
  • Uncover prior art in expired and abandoned patents
  • Obtain formulation and manufacturing information

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

Serving leading biopharmaceutical companies globally:

Argus Health
Johnson and Johnson
Boehringer Ingelheim
Cantor Fitzgerald

Generated: November 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,721,723

« Back to Dashboard

Summary for Patent: 4,721,723

Title: Anti-depressant crystalline paroxetine hydrochloride hemihydrate
Abstract:The invention provides crystalline paroxetine hydrochloride hemihydrate, processes for its preparation, compositions containing the same and its therapeutic use as an anti-depressant.
Inventor(s): Barnes; Roger D. (Betchworth, GB2), Wood-Kaczmar; Marian W. (Harlow, GB2), Curzons; Alan D. (Worthing, GB2), Lynch; Ian R. (Epsom, GB2), Richardson; John E. (Harlow, GB2), Buxton; Philip C. (Epsom, GB2)
Assignee: Beecham Group p.l.c. (Brentford, GB2)
Application Number:06/922,530
Patent Claim Types:
see list of patent claims
Compound; Process; Composition; Use;

No matches for this query

Foreign Priority and PCT Information for Patent: 4,721,723

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8526407Oct 25, 1985
United Kingdom8526408Oct 25, 1985

International Patent Family for Patent: 4,721,723

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Finland87785► Subscribe
Denmark508786► Subscribe
Denmark171694► Subscribe
European Patent Office0223403► Subscribe
Spain2058061► Subscribe
Finland864320► Subscribe
Canada1287060► Subscribe
Cyprus1743► Subscribe
Czech Republic9103910► Subscribe
Germany3688827► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

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

Serving leading biopharmaceutical companies globally:

Express Scripts
Farmers Insurance
Johnson and Johnson
Daiichi Sankyo
Fish and Richardson
Queensland Health
US Army

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.

Copyright 2002-2017 thinkBiotech LLC
ISSN: 2162-2639

Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions

Follow DrugPatentWatch:

Google Plus