US2992264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New synthesis of phosphorodithioate esters
Assignee: Wyeth Holdings LLC
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Filing: 1960-05-11
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Granted: 1961-07-11
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Expires: 1980-05-11
Abstract
No abstract record available.
Inventors
- 👤 Miller Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:16
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; A; A01; A01N; A01N57/00; A01N57/10; A01N57/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS FOR PREPARING A PHOSPHORODITHIOATE ESTER REPRESENTED BY THE STRUCTURE:
Claim 2
Dependent Claim
11 words
A PROCESS FOR PREPARING A PHOSPHORODITHIOATE ESTER REPRESENTED BY THE STRUCTURE:
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |