US2906767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon nitriles
Assignee: Dow Silicones Corp
•
Filing: 1957-03-20
•
Granted: 1959-09-29
•
Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Leo H Sommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:09
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
AN ORGANOSILICON NITRILE HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
AN ORGANOSILICON NITRILE HAVING THE FORMULA
Claim 3
Dependent Claim
17 words
AN ORGANOSILOXANE IN WHICH AT LEAST 0.1 MOLAR PERCENT OF THE POLYMERIC UNITS ARE OF THE FORMULA
Claim 4
Dependent Claim
17 words
AN ORGANOSILOXANE IN WHICH AT LEAST 0.1 MOLAR PERCENT OF THE POLYMERIC UNITS ARE OF THE FORMULA
References Cited (Backward Citations)
FR1116726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |