.

Pharmaceutical Business Intelligence

  • Anticipate P&T budget requirements
  • Evaluate market entry opportunities
  • Find generic sources and suppliers
  • Predict branded drug patent expiration

► Plans and Pricing

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

DrugPatentWatch Database Preview

Details for Patent: 4,839,350

« Back to Dashboard

Summary for Patent: 4,839,350

Title: Cephalosporin compounds and the production thereof
Abstract:A class of new caphalosporin compounds (syn-isomer) is now provided, which is useful as antibacterial agent and is represented by the general formula (I) ##STR1## wherein R.sup.1 is an amino group or a protected amino group; R.sup.2 is a lower alkyl group, a carboxymethyl group or a protected carboxymethyl group; R.sup.3 is a hydrogen atom, a salt-forming cation or a carboxyl-protecting group; A is an unsubstituted or substituted phenyl group, an unsubstituted or substituted furyl group, an unsubstituted or substituted thiazolyl group or an unsubstituted or substituted 3-lower-alkylthiazolio group, and a pharmaceutically acceptable salt or ester thereof.
Inventor(s): Atsumi; Kunio (Kawasaki, JP), Sakagami; Kenji (Kawasaki, JP), Yamamoto; Yuichi (Yokohama, JP), Yoshida; Takashi (Tokyo, JP), Nishihata; Ken (Yokohama, JP), Kondo; Shinichi (Yokohama, JP), Fukatsu; Shunzo (Tokyo, JP)
Assignee: Meiji Seika Kaisha, Ltd. (Tokyo, JP) Susumu Mitsuhashi (Tokyo, JP)
Application Number:07/036,124
Patent Claim Types:
see list of patent claims
Compound; Composition;

No matches for this query

Foreign Priority and PCT Information for Patent: 4,839,350

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan59-186464Sep 07, 1984
Japan60-157005Jul 18, 1985

International Patent Family for Patent: 4,839,350

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria56017► subscribe
Canada1272714► subscribe
China1034940► 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 database preview and plans and pricing

How are People Using DrugPatentWatch?

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.

`abc