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US3594281A Expired / Lapsed US ⏱️ 0.0 years remaining

Crystalline combination of l-asparaginase and a metal or metalloid and method of its manufacture

Assignee: Eli Lilly and Co
•
Filing: 1969-10-02
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Granted: 1971-07-20
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Expires: 1989-10-02
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Abstract

Abstract A CRYSTALLINE COMBINATION OF L-ASPARAGINASE AND A METAL OR A METALLOID, OF HIGH ACTIVITY AS AN ENZYME AND AS AN ONCOLYTIC AGENT, PREPARED BY CRYSTALLIZATION THEREOF FROM AN AQUEOUS SOLUTION CONTAINING L-ASPARGINASE A SOLUBLE METALLIC OR METALLOID SALT AT ABOUT PH 6.0-9, AND AN ANTISOLVENT.

Inventors

  • 👤 Peter P K Ho

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:10
CPC Classifications
C; C12; C12N; C12N11/00; C12N11/02; C12N11/04; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/815; Y10S435/8215; Y10S435/822; Y10S435/848; Y10S435/849

Claims Analysis

Total Claims: 0
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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) 1974-07-19 1975-01-18 1975-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-19 1979-01-18 1979-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-19 1983-01-18 1983-07-20 $7700.00 Window Closed / Lapsed

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