US2746982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of silane esters
Assignee: Dow Silicones Corp
•
Filing: 1954-02-01
•
Granted: 1956-05-22
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:59
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A METHOD COMPRISING REACTING AN ORGANOSILOXANE OF THE FORMULA
Claim 2
Independent Claim
9 words
A METHOD COMPRISING REACTING AN ORGANOSILOXANE OF THE FORMULA
References Cited (Backward Citations)
US2415389A
Cited
US2658908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |