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US3632746A Expired / Lapsed US ⏱️ 0.0 years remaining

Dried stable anti-tumor preparations and process for preparing the same

Assignee: Chugai Pharmaceutical Co Ltd
•
Filing: 1968-08-19
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Granted: 1972-01-04
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Expires: 1988-08-19
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Abstract

Abstract ANTI-TUMOR PREPARATIONS CONTAINING THE CELLS OF HEMOLYTIC STREPTOCOCCI HAVING ANTI-TUMOR ACTIVITY. THE PREPARTIONS ARE PREPARED BY ADDING SACCHARIDES OR AMINO ACIDS TO CELL SUSPENSION OF HEMOLYTIC STREPTOCCOCCI HAVING ANTITUMOR ACTIVITY, AND THEN DRYING THE RESULTING MIXTURE.

Inventors

  • 👤 Shigeo Suzuki
  • 👤 Toyoo Kono
  • 👤 Takao Noto Sakae Wada
  • 👤 Motoharu Shib
  • 👤 Takashi Matsuno
  • 👤 Akihiro Yamamoto
  • 👤 Haruki Ogawa
  • 👤 Hiroshi Okazaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:04
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/66; A61K35/74; A61K35/741; A61K35/744; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/885

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-03 1975-07-05 1976-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-03 1979-07-05 1980-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-03 1983-07-05 1984-01-04 $7700.00 Window Closed / Lapsed

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