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Details for Patent: 5,196,438

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Summary for Patent: 5,196,438

Title: Amino acid derivatives
Abstract:Compounds having the formula ##STR1## wherein R is benzyloxycarbonyl or 2-quinolylcarbonyl, and their pharmaceutically acceptable acid addition salts inhibit proteases of viral origin and can be used as medicaments for the treatment of prophylaxis of viral infections in mammals, humans or non-humans.
Inventor(s): Martin; Joseph A. (Harpenden, GB2), Redshaw; Sally (Stevenage, GB2)
Assignee: Hoffmann-La Roche Inc. (Nutley, NJ)
Application Number:07/615,534
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Formulation; Use;

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Foreign Priority and PCT Information for Patent: 5,196,438

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8927913Dec 11, 1989

International Patent Family for Patent: 5,196,438

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria122661► Subscribe
Australia634319► Subscribe
Australia6787690► Subscribe
Bulgaria51452► Subscribe
Brazil9006264► Subscribe
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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.

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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.