US2774786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphono-ammonium surface active agents
Assignee: General Mills Inc
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Filing: 1953-08-10
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Granted: 1956-12-18
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Expires: 1973-08-10
Abstract
No abstract record available.
Inventors
- 👤 John G Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C11D1/886; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
COMPOUND HAVING THE FORMULA FIT-01 IN WHICH R IS AN ALIPHATIC HYDROCARBON GROUP CONTAINING FROM 8-22 CARBON ATOMS, R1 AND R2 ARE ALIPHATIC GROUPS CONTAINING FROM 1-4 CARBON ATOMS, R3 IS A DIVALENT ALIPHATIC HYDROCARBON GROUP CONTAINING FROM 2-6 CARBON ATOMS, AND M IS SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM.
Claim 2
Dependent Claim
54 words
COMPOUND HAVING THE FORMULA FIT-01 IN WHICH R IS AN ALIPHATIC HYDROCARBON GROUP CONTAINING FROM 8-22 CARBON ATOMS, R1 AND R2 ARE ALIPHATIC GROUPS CONTAINING FROM 1-4 CARBON ATOMS, R3 IS A DIVALENT ALIPHATIC HYDROCARBON GROUP CONTAINING FROM 2-6 CARBON ATOMS, AND M IS SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM.
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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |