US4625043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylidenenorbornyl dimethylmethacryloxysilane
Assignee: Momentive Performance Materials Japan LLC
•
Filing: 1986-02-26
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Granted: 1986-11-25
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Expires: 2006-02-26
Abstract
Abstract An ethylidenenorbornyl dimethylmethacryloxysilane represented by the general formula (I): <IMAGE> (I) wherein Y represents the formula: <IMAGE> or the formula: <IMAGE>
Inventors
- 👤 Nobuhiro Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:52
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
An ethylidenenorbornyl dimethylmethacryloxysilane represented by the general formula (I): ##STR13## wherein Y represents the formula: ##STR14## or the formula: ##STR15##
Claim 2
Dependent Claim
20 words
An ethylidenenorbornyl dimethylmethacryloxysilane represented by the general formula (I): ##STR13## wherein Y represents the formula: ##STR14## or the formula: ##STR15##
References Cited (Backward Citations)
US2397287A
Cited
US4301268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-24 | 1990-05-26 | 1990-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-24 | 1994-05-26 | 1994-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-24 | 1998-05-26 | 1998-11-25 | $7700.00 | Window Closed / Lapsed |