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Serving hundreds of leading biopharmaceutical companies globally:

Chinese Patent Office
Express Scripts
Cantor Fitzgerald
Argus Health
Citi
Accenture
UBS
Fish and Richardson
Boehringer Ingelheim

Generated: April 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,011,258

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Summary for Patent: 4,011,258
Title: Orally active bronchospasmolytic compounds
Abstract:Novel compounds are disclosed having useful activity as bronchodilators of improved longevity of action and reduced incidence of side effects. These compounds are described by the formula: ##STR1## wherein R.sub.1 is a member of the class consisting of tertiary butyl and cyclobutyl, and R.sub.2 is a hydrogen or 2 to 5 carbon atom acyl radical, and pharmaceutically acceptable salts thereof. The activity of these compounds is compared to previously known bronchodilators such as 1-(3', 5'-dihydroxyphenyl)-2-(isopropylamino)-ethanol, having the common name orciprenaline, and 1-(3', 4'-dihydroxyphenyl-2-isopropylamino-ethanol, having the common name isoprenaline.
Inventor(s): Wetterlin; Kjell Ingvar Leopold (Sandby, SW), Svensson; Leif Ake (Lund, SW)
Assignee: Aktiebolaget Draco (Lund, SW)
Application Number:05/593,424
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 4,011,258

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

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Chinese Patent Office
Daiichi Sankyo
Cipla
US Army
Moodys
Queensland Health
Fuji
Teva

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