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US3062718A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable aqueous streptomycinpenicillin composition

Assignee: Pfizer Inc
•
Filing: 1959-10-27
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Granted: 1962-11-06
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Expires: 1979-10-27
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Abstract

No abstract record available.

Inventors

  • 👤 Allen J Spiegel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:15
CPC Classifications
C; C07; C07D; C07D499/00; C07D499/21; C07D499/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 37 words
AN INJECTABLE PHARMACEUTICAL COMPOSITION COMPRISING THERAPEUTICALLY EFFECTIVE CONCENTRATIONS OF 1-P-CHLOROBENZYL-2-N-PYRROLIDYL METHYLBENZIMIDAZOLE PENICILLIN SALT AND OF A PHARMACEUTICALLY ACCEPTABLE STREPTOMYCIN SALT, TOGETHER WITH A STABILIZING AMOUNT OF A PHARMACEUTICALLY ACCEPTABLE ANTIOXIDANT IN A SUBSTANTIALLY NEUTRAL AQUEOUS VEHICLE THEREFOR.
Claim 2
Dependent Claim 37 words
AN INJECTABLE PHARMACEUTICAL COMPOSITION COMPRISING THERAPEUTICALLY EFFECTIVE CONCENTRATIONS OF 1-P-CHLOROBENZYL-2-N-PYRROLIDYL METHYLBENZIMIDAZOLE PENICILLIN SALT AND OF A PHARMACEUTICALLY ACCEPTABLE STREPTOMYCIN SALT, TOGETHER WITH A STABILIZING AMOUNT OF A PHARMACEUTICALLY ACCEPTABLE ANTIOXIDANT IN A SUBSTANTIALLY NEUTRAL AQUEOUS VEHICLE THEREFOR.

References Cited (Backward Citations)

US2473339A Cited
US2750379A Cited
US2720482A Cited
US2719812A Cited
US2776279A Cited
US2939818A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-05 1966-05-07 1966-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-05 1970-05-07 1970-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-05 1974-05-07 1974-11-06 $7700.00 Window Closed / Lapsed

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