Patent US3104254A successfully refreshed from Google Patents.
US3104254A
Expired / Lapsed
US
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Preparation of phosphorus boron compounds
Assignee: Monsanto Chemicals Ltd
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Filing: 1961-09-18
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Granted: 1963-09-17
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Reetz Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:02
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS OF PREPARING A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
9 words
A PROCESS OF PREPARING A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2921095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |