BioPharmaceutical Business Intelligence

  • Analyze global market entry opportunities
  • Obtain formulation and manufacturing information
  • Drug patents in 130+ countries

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

Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Fish and Richardson
Daiichi Sankyo

Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,128,658

« Back to Dashboard

Summary for Patent: 4,128,658

Title: Aminoalkyl furan derivatives
Abstract:Compounds of the general formula I: ##STR1## and physiologically acceptable salts thereof and N-oxides and hydrates, in which R.sub.1 and R.sub.2 which may be the same or different represent hydrogen, lower alkyl, cycloalkyl, lower alkenyl, aralkyl or lower alkyl interrupted by an oxygen atom or a group ##STR2## in which R.sub.4 represents hydrogen or lower alkyl or R.sub.1 and R.sub.2 may, together with the nitrogen atom to which they are attached, form a heterocyclic ring which may contain other heteroatoms selected from O and ##STR3## R.sub.3 is hydrogen, lower alkyl, lower alkenyl or alkoxyalkyl; X is --CH.sub.2 --, O or S; Y represents .dbd. S, .dbd. O, .dbd. NR.sub.5 or .dbd. CHR.sub.6 ; Alk denotes a straight or branched alkylene chain of 1 to 6 carbon atoms; R.sub.5 is H, nitro, cyano, lower alkyl, aryl, alkylsulphonyl, or arylsulphonyl; R.sub.6 represents nitro, arylsulphonyl or alkylsulphonyl; M is an integer from 2 to 4; and N is 1 or 2; or when X .dbd. S, or --CH.sub.2 --, n is zero, 1 or 2. These compounds have H.sub.2 -antagonist activity. Intermediates in the production thereof are also provided.
Inventor(s): Price; Barry J. (Hertford, GB2), Clitherow; John W. (Sawbridgeworth, GB2), Bradshaw; John (Ware, GB2)
Assignee: Allen & Hanburys Limited (London, GB2)
Application Number:05/818,762
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use;

No matches for this query

Foreign Priority and PCT Information for Patent: 4,128,658

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom32465/76Aug 4, 1976
United Kingdom50685/76Dec 6, 1976
United Kingdom20187/77May 13, 1977

International Patent Family for Patent: 4,128,658

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria375931► Subscribe
Austria381937► Subscribe
AustriaA322880► Subscribe
AustriaA574077► Subscribe
Australia2751977► Subscribe
Australia515628► Subscribe
Belgium857388► Subscribe
Canada1099268► Subscribe
Switzerland640846► Subscribe
Switzerland641176► 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 plans and pricing

Serving leading biopharmaceutical companies globally:

Express Scripts
Fish and Richardson
US Army
Queensland Health
Argus Health
Farmers Insurance

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: