Patent US3095440A successfully refreshed from Google Patents.
US3095440A
Expired / Lapsed
US
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Esters of phosphonodithioic acid
Assignee: Monsanto Chemicals Ltd
•
Filing: 1962-03-08
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Granted: 1963-06-25
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Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Peter E Newallis
- 👤 John P Chupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:24
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
THE METHOD OF MAKING AN ESTER OF A PHOSPHONOTHIOIC ACID OF THE FORMULA
Claim 2
Independent Claim
13 words
THE METHOD OF MAKING AN ESTER OF A PHOSPHONOTHIOIC ACID OF THE 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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |