US2994711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triorganosiloxymetal oxides
Assignee: Millennium Petrochemicals Inc
•
Filing: 1959-08-10
•
Granted: 1961-08-01
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Howard J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:14
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C07; C07F; C07F9/00; C07F9/005; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/28; C23; C23F; C23F11/00; C23F11/08; C23F11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR MAKING TRIORGANOSILOXYMETAL OXIDES HAVING THE GENERAL FORMULA (R1R2R3SIO)XM''YOZ WHICH COMPRISES REACTING AN ALKALI METAL TRIORGANOSILANOLATE HAVING THE GENERAL FORMULA R1R2R3SIOM WITH A METAL OXYHALIDE HAVING THE GENERAL FORMULA M''YOZXX, WHEREIN EACH OF R1, R2, AND R3 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE PHENYL RADICAL AND ALKYL RADICALS CONTAINING FROM ONE TO EIGHT CARBON ATOMS, M IS AN ALKALI METAL, M'' IS A METAL FROM GROUP VB OF THE PERIODIC SYSTEM, X IS A HALOGEN, X IS A NUMBER BETWEEN 1 AND 6, INCLUSIVE, Y IS A NUMBER BETWEEN 1 AND 2, INCLUSIVE, AND Z IS A NUMBER BETWEEN 1 AND 3, INCLUSIVE, SAID REACTION BEING CARRIED OUT AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF THE PRODUCT TRIORGANOSILOXYMETAL OXIDE.
Claim 2
Dependent Claim
126 words
A PROCESS FOR MAKING TRIORGANOSILOXYMETAL OXIDES HAVING THE GENERAL FORMULA (R1R2R3SIO)XM''YOZ WHICH COMPRISES REACTING AN ALKALI METAL TRIORGANOSILANOLATE HAVING THE GENERAL FORMULA R1R2R3SIOM WITH A METAL OXYHALIDE HAVING THE GENERAL FORMULA M''YOZXX, WHEREIN EACH OF R1, R2, AND R3 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE PHENYL RADICAL AND ALKYL RADICALS CONTAINING FROM ONE TO EIGHT CARBON ATOMS, M IS AN ALKALI METAL, M'' IS A METAL FROM GROUP VB OF THE PERIODIC SYSTEM, X IS A HALOGEN, X IS A NUMBER BETWEEN 1 AND 6, INCLUSIVE, Y IS A NUMBER BETWEEN 1 AND 2, INCLUSIVE, AND Z IS A NUMBER BETWEEN 1 AND 3, INCLUSIVE, SAID REACTION BEING CARRIED OUT AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF THE PRODUCT TRIORGANOSILOXYMETAL OXIDE.
References Cited (Backward Citations)
US2567110A
Cited
US2863891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |