US3823129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glutaraldehyde insolubilized concanavalin a in crystalline form
Assignee: Yeda Research and Development Co Ltd
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Filing: 1971-08-17
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Granted: 1974-07-09
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Expires: 1991-08-17
Abstract
Abstract THE PRESENT INVENTION RELATES TO INSOLUBILIZED CRYSTALLINE CONCANAVALIN A, TO A PROCESS FOR PREPARING SAME BY REACTING CRYSTALLINE CONCANAVALIN A WITH A CROSS-LINKING AGENT, AND TO PROCESS FOR THE SELECTIVE REMOVAL OF TRANSITION METALS FROM SOLUTION CONTAINING ALSO OTHER CATIONS, AND TO A PROCESS FOR THE SELECTIVE REMOVAL AND RECOVERY OF SACCHARIDES FROM SOLUTIONS OF SAME.
Inventors
- 👤 A Kalb
- 👤 J Yariv
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:41
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/142; A23K20/147
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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |