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

Serving hundreds of leading biopharmaceutical companies globally:

Baxter
Fish and Richardson
McKinsey
Queensland Health
Federal Trade Commission
Fuji
Deloitte
Mallinckrodt
Colorcon

Generated: April 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,521,431

« Back to Dashboard

Summary for Patent: 4,521,431
Title: Aminoalkyl furan derivative
Abstract:A novel crystal form of ranitidine (N-[2-[[[5-(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl-N'-methyl-2- nitro-1,1-ethenediamine) hydrochloride, designated Form 2, and having favorable filtration and drying characteristics, is characterized by its infra-red spectrum and/or by its x-ray powder diffraction patterns.
Inventor(s): Crookes; Derek L. (Hertford, GB2)
Assignee: Glaxo Group Limited (London, GB2)
Application Number:06/406,710
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use;

Drugs Protected by US Patent 4,521,431

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: 4,521,431

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8031634Oct 01, 1980

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

Serving hundreds of leading biopharmaceutical companies globally:

McKesson
US Department of Justice
Covington
Healthtrust
Teva
Express Scripts
Chinese Patent Office
Cipla
Colorcon

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.