Patent US3835000A successfully refreshed from Google Patents.
US3835000A
Expired / Lapsed
US
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Electrolytic process for producing n-phosphonomethyl glycine
Assignee: Monsanto Co
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Filing: 1973-08-06
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Granted: 1974-09-10
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Expires: 1993-08-06
Abstract
Abstract THIS DISCLOSURE RELATES TO AN ELECTROLYTIC PROCESS FOR PRODUCING N-PHOSPHONOMETHYL GLYCINE COMPOUNDS BY THE ELECTROLYSIS OF N-ORGANO-N-PHOSPHONOMETHYLAMINO ACETIC ACID COMPOUNDS. IN ACCORDANCE WITH THIS DISCLOSURE, A SOLUTION OF AN N-ORGANO-N-PHOSPHONOMETHYLAMINO ACETIC ACID COMPOUND IS SUBJECTED TO AN ELECTROMOTIVE FORCE OR ELECTRIC CURRENT IN AN ELECTROLYTIC CELL TO BE ELECTROLYTICALLY OXIDIZED TO AN N-PHOSPHONOMETHYL GLYCINE. THE N-PHOSPHONOMETHYL GLYCINES PRODUCED ARE USEFUL AS POST-EMERGENT HERBICIDES.
Inventors
- 👤 J Wagenknecht
- 👤 H Frazier
- 👤 L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:19
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C07F9/3813; C25; C25B; C25B3/00; C25B3/01; C25B3/07; C25B3/20; C25B3/23
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) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |