Patent US3014944A successfully refreshed from Google Patents.
US3014944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing organic phosphorus compounds
Assignee: Monsanto Chemicals Ltd
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Filing: 1960-05-09
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Granted: 1961-12-26
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Gail H Birum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:12
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/32; C07F9/3205; C07F9/3211; C07F9/38; C07F9/40; C07F9/50; C07F9/53; C07F9/5304; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE METHOD OF PREPARING COMPOUNDS HAVING DIVERSE PHOSPHORUS ESTER GROUPS WHICH COMPRISES CONTACTING TOGETHER THE THREE REACTANTS: (1) A TRIVALENT PHOSPHORUS COMPOUND WHICH DOES NOT UNDERGO SELF-CONDENSATION AND WHICH HAS ATTACHED TO THE PHOSPHORUS ATOM THEREOF FROM ONE TO THREE HALOGEN ATOMS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE, (2) A CARBONYL COMPOUND WHICH IS SELECTED FROM THE CLASS CONSISTING OF ALDEHYDES AND KETONES AND WHICH HAS NO SUBSTITUENT WITH WHICH THE COMPOUND (1) REACTS IN PREFERENCE TO THE CARBONYL GROUP, AND (3) A TRIORGANO TRIVALENT PHOSPHORUS ESTER IN WHICH AT LEAST ONE OF THE ORGANIC GROUPS IS BONDED, AT AN ALIPHATIC CARBON THEREOF, TO PHOSPHORUS THROUGH AN OXYGEN ATOM, THE QUANTITY OF (2) AND OF (3) BEING SUBSTANTIALLY THAT WHICH IS STOICHIOMETRICALLY REQUIRED FOR THE REPLACEMENT OF THE HALOGEN IN (1).
Claim 2
Independent Claim
134 words
THE METHOD OF PREPARING COMPOUNDS HAVING DIVERSE PHOSPHORUS ESTER GROUPS WHICH COMPRISES CONTACTING TOGETHER THE THREE REACTANTS: (1) A TRIVALENT PHOSPHORUS COMPOUND WHICH DOES NOT UNDERGO SELF-CONDENSATION AND WHICH HAS ATTACHED TO THE PHOSPHORUS ATOM THEREOF FROM ONE TO THREE HALOGEN ATOMS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE, (2) A CARBONYL COMPOUND WHICH IS SELECTED FROM THE CLASS CONSISTING OF ALDEHYDES AND KETONES AND WHICH HAS NO SUBSTITUENT WITH WHICH THE COMPOUND (1) REACTS IN PREFERENCE TO THE CARBONYL GROUP, AND (3) A TRIORGANO TRIVALENT PHOSPHORUS ESTER IN WHICH AT LEAST ONE OF THE ORGANIC GROUPS IS BONDED, AT AN ALIPHATIC CARBON THEREOF, TO PHOSPHORUS THROUGH AN OXYGEN ATOM, THE QUANTITY OF (2) AND OF (3) BEING SUBSTANTIALLY THAT WHICH IS STOICHIOMETRICALLY REQUIRED FOR THE REPLACEMENT OF THE HALOGEN IN (1).
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) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |