Patent US3296296A successfully refreshed from Google Patents.
US3296296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disilaalkanes
Assignee: Monsanto Research Corp
•
Filing: 1963-06-13
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Granted: 1967-01-03
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Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 James A Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:03
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/0805
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
48 words
THE COMPOUND OF THE FORMULA H3C-SI(-R)(-R'')-CH2-(CH2)N-CH2-SI(-Y)(-Y'')-CH3 WHEREIN R AND Y ARE SELECTED FROM THE CLASS CONSISTING OF METHYL AND ALKYL OF FROM 6 TO 10 CARBON ATOMS, R'' AND Y'' ARE ALKYL OF FROM 6 TO 10 CARBON ATOMS AND N IS A NUMBR OF 3 TO 6.
Claim 2
Dependent Claim
48 words
THE COMPOUND OF THE FORMULA H3C-SI(-R)(-R'')-CH2-(CH2)N-CH2-SI(-Y)(-Y'')-CH3 WHEREIN R AND Y ARE SELECTED FROM THE CLASS CONSISTING OF METHYL AND ALKYL OF FROM 6 TO 10 CARBON ATOMS, R'' AND Y'' ARE ALKYL OF FROM 6 TO 10 CARBON ATOMS AND N IS A NUMBR OF 3 TO 6.
Claim 3
Dependent Claim
14 words
A HYDRAULIC SYSTEM CONTAINING AS THE OPERATIVE FLUID THE COMPOUND DEFINED IN CLAIM 1.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |