US3136805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making trialkyl phosphates
Assignee: GE Chemicals Inc
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Filing: 1960-08-04
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Granted: 1964-06-09
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Charles F Baranauckas
- 👤 James J Hodan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:38
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR PREPARING A TRIESTER OF PHOSPHORIC ACID WHICH COMPRISES OXIDIZING A TRIESTER OF PHOSPHOROUS ACID WITH AN OXYGEN-CONTAINING GAS SELCTED FROM THE GROUP CONSISTING OF AIR, OXYGEN AND MIXTURES THEREOF IN THE PRESENCE OF A CATALYTIC AMOUNT OF ALUMINUM OXIDE.
Claim 2
Dependent Claim
42 words
A PROCESS FOR PREPARING A TRIESTER OF PHOSPHORIC ACID WHICH COMPRISES OXIDIZING A TRIESTER OF PHOSPHOROUS ACID WITH AN OXYGEN-CONTAINING GAS SELCTED FROM THE GROUP CONSISTING OF AIR, OXYGEN AND MIXTURES THEREOF IN THE PRESENCE OF A CATALYTIC AMOUNT OF ALUMINUM OXIDE.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |