US2844616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reacting di-organo substituted dithiophosphoric acid compounds and epoxides
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-09-09
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Granted: 1958-07-22
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Expires: 1972-09-09
Abstract
No abstract record available.
Inventors
- 👤 John P Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:37
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS WHICH COMPRISES THE STEPS OF REACTING A DI-ORGANO SUBSTITUTED DITHIOPHOSPHORIC ACID WITH AN EPOXIDE AT A TEMPERATURE BELOW 95*C. AND FOR A PERIOD LESS THAN TWO HOURS AND RECOFERING THE REACTION PRODUCT THEREOF, THE ORGANO GROUPS OF THE DITHIOPHOSPHORIC ACID CONTAINING IN THE RANGE OF 3-17 CARBON ATOMS PER RADICAL AND BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, ALICYCLIC, MONO-ALKYL PHENYL RADICALS AND SULFURIZED DERIVATIVES THEREOF, AND SAID EPOXIDE CONTAINING IN THE RANGE OF 2-8 CARBON ATOMS PER MOLECULE AND BEING SELECTED FROM THE GROUP CONSISTING OF EPOXY-ALKANES, EPOXY-ALKENES AND STYRENE OXIDE.
Claim 2
Dependent Claim
95 words
A PROCESS WHICH COMPRISES THE STEPS OF REACTING A DI-ORGANO SUBSTITUTED DITHIOPHOSPHORIC ACID WITH AN EPOXIDE AT A TEMPERATURE BELOW 95*C. AND FOR A PERIOD LESS THAN TWO HOURS AND RECOFERING THE REACTION PRODUCT THEREOF, THE ORGANO GROUPS OF THE DITHIOPHOSPHORIC ACID CONTAINING IN THE RANGE OF 3-17 CARBON ATOMS PER RADICAL AND BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, ALICYCLIC, MONO-ALKYL PHENYL RADICALS AND SULFURIZED DERIVATIVES THEREOF, AND SAID EPOXIDE CONTAINING IN THE RANGE OF 2-8 CARBON ATOMS PER MOLECULE AND BEING SELECTED FROM THE GROUP CONSISTING OF EPOXY-ALKANES, EPOXY-ALKENES AND STYRENE OXIDE.
References Cited (Backward Citations)
US2266514A
Cited
US2252985A
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US2530339A
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US2565920A
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US2577966A
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US2610978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |