US2951860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon hydroxy phosphate esters
Assignee: Dow Silicones Corp
•
Filing: 1957-11-15
•
Granted: 1960-09-06
•
Expires: 1977-11-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:47
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A COMPOSITION OF MATTER COMPRISING AN ORGANOSILICON COMPOUND HAVING ATTACHED TO AT LEAST ONE OF THE SILICON ATOMS BY A SILICON-CARBON LINKAGE AT LEAST ONE ORGANIC RADICAL CONTAINING AT LEAST ONE RADICAL (A), ANY REMAINING ATOMS IN SAID ORGANIC RADICAL BEING SELECTED FROM THE GROUP CONSISTING OF CARBON, HYDROGEN AND OXYGEN IN THE FORM OF ETHER LINKAGES AND HYDROXYL GROUPS, (A) BEING OF THE FORMULA
Claim 2
Dependent Claim
65 words
A COMPOSITION OF MATTER COMPRISING AN ORGANOSILICON COMPOUND HAVING ATTACHED TO AT LEAST ONE OF THE SILICON ATOMS BY A SILICON-CARBON LINKAGE AT LEAST ONE ORGANIC RADICAL CONTAINING AT LEAST ONE RADICAL (A), ANY REMAINING ATOMS IN SAID ORGANIC RADICAL BEING SELECTED FROM THE GROUP CONSISTING OF CARBON, HYDROGEN AND OXYGEN IN THE FORM OF ETHER LINKAGES AND HYDROXYL GROUPS, (A) BEING OF THE FORMULA
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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |