US3005006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutral phosphorothioate ester compositions and method of preparation thereof
Assignee: Pure Oil Co
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Filing: 1957-12-12
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Granted: 1961-10-17
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Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Allen F Millikan
- 👤 Gifford W Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:42
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
52 words
A METHOD OF PREPARING NEUTRAL PHOSPHOROTHIOATE ESTERS BY REACTION OF AN ACID ESTER, (RO)2P(S)SH, WHERE R IS A HYDROCARBON RADICAL, WITH AN ALCOHOL OF THE GROUP CONSISTING OF BENZYL ALCOHOL AND DERIVATIVES OF BENZYL ALCOHOL CONTAINING FUNCTIONAL GROUPS WHICH ARE INERT TO SAID ACID ESTER, AT A TEMPERATURE OF 20* TO 160*C.
Claim 2
Independent Claim
52 words
A METHOD OF PREPARING NEUTRAL PHOSPHOROTHIOATE ESTERS BY REACTION OF AN ACID ESTER, (RO)2P(S)SH, WHERE R IS A HYDROCARBON RADICAL, WITH AN ALCOHOL OF THE GROUP CONSISTING OF BENZYL ALCOHOL AND DERIVATIVES OF BENZYL ALCOHOL CONTAINING FUNCTIONAL GROUPS WHICH ARE INERT TO SAID ACID ESTER, AT A TEMPERATURE OF 20* TO 160*C.
Claim 3
Dependent Claim
28 words
A NEUTRAL PHOSPHOROTHIOATE ESTER COMPOSITION HAVING A SULFUR/PHOSPHORUS RATIO GREATER THAN 2, PREPARED IN ACCORDANCE WITH CLAIM 18, CHARACTERIZED BY SOLUBILITY IN HYDROCARBONS AND BY INSOLUBLITY IN WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |