US3051740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylenically unsaturated aromatic phosphorus acids
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-01-04
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Granted: 1962-08-28
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 John G Abramo
- 👤 Albert Y Garner
- 👤 Earl C Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:31
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3882; C07F9/30; C07F9/306; C08; C08F; C08F30/00; C08F30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AN ETHYLENICALLY UNSATURATED AROMATIC PHOSPHORUS ACID CORRESPONDING TO THE GENERAL FORMULA:
Claim 2
Dependent Claim
11 words
AN ETHYLENICALLY UNSATURATED AROMATIC PHOSPHORUS ACID CORRESPONDING TO THE GENERAL FORMULA:
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |