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
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Filing: 1969-10-02
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Granted: 1971-07-20
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Expires: 1989-10-02
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)
No citation records indexed.
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 |