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

Serving leading biopharmaceutical companies globally:

Moodys
AstraZeneca
Farmers Insurance
Mallinckrodt
QuintilesIMS
US Army
Boehringer Ingelheim
UBS
Cerilliant
Fuji

Generated: February 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 3,883,545

« Back to Dashboard

Summary for Patent: 3,883,545
Title: CERTAIN 1-HYDROXY-2-PYRIDONES
Abstract:New 1-hydroxy-2-pyridones of the general formula ##SPC1## In which R.sub.1 is alkyl of 1 to 17 carbon atoms, cycloalkyl of 5 to 8 carbon atoms, cyclohexylalkyl or phenalkyl both having 1 to 3 carbon atoms in the alkylene chain or .alpha.-furyl, all of which may be substituted by halogen and R.sub.2 to R.sub.4 are hydrogen or lower alkyl or 2 adjacent substituents together form a trimethylene or tetramethylene chain, and in which R.sub.1 to R.sub.4 together contain at least 2 carbon atoms, are prepared by contacting unsaturated .delta.-keto esters or mixtures thereof with hydroxylamine and subjecting the products to cyclization. The compounds exhibit antimycotic properties.
Inventor(s): Lohaus; Gerhard (Kelkheim/Taunus, DT), Dittmar; Walter (Hofheim/Taunus, DT)
Assignee: Hoechst Aktiengesellschaft (Frankfurt am Main, DT)
Application Number:05/317,387
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 3,883,545

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: 3,883,545

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
1795270Aug 31, 1968

International Patents Family Members for US Patent 3,883,545

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 291260 ➤ Sign Up
Belgium 738288 ➤ Sign Up
Brazil 6911968 ➤ Sign Up
Switzerland 547284 ➤ Sign Up
Czechoslovakia 150278 ➤ Sign Up
Cyprus 699 ➤ Sign Up
Germany 1795270 ➤ Sign Up
Denmark 125091 ➤ Sign Up
Spain 371031 ➤ Sign Up
Finland 50334 ➤ Sign Up
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 hundreds of leading biopharmaceutical companies globally:

Merck
Harvard Business School
Julphar
Fuji
Deloitte
Chubb
Baxter
Healthtrust
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.

botpot