US5072012A
Expired / Lapsed
US
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Novel alkoxysilanes
Assignee: Shin-Etsu Chemical Co Ltd
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Filing: 1991-05-31
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Granted: 1991-12-10
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Expires: 2011-05-31
Abstract
Abstract Novel alkoxysilanes of the general formula: ##STR1## wherein letter a is equal to 2 or 3, b is equal to 0, 1, 2 or 3, and n is an integer of from 2 to 10 are useful agents for controlling curing reaction of addition type curable silicone compositions.
Inventors
- 👤 Hironao Fujiki
- 👤 Toshiaki Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:47
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
An alkoxysilane of the general formula: ##STR11## wherein letter a is equal to 2 or 3, b is equal to 0, 1, 2 or 3, and n is an integer of from 2 to 10.
Claim 2
Dependent Claim
35 words
An alkoxysilane of the general formula: ##STR11## wherein letter a is equal to 2 or 3, b is equal to 0, 1, 2 or 3, and n is an integer of from 2 to 10.
Claim 3
Dependent Claim
12 words
The alkoxysilane of claim 1 which is of the following formula. ##STR12##
Claim 4
Dependent Claim
12 words
The alkoxysilane of claim 1 which is of the following formula. ##STR13##
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) | 1994-12-09 | 1995-06-10 | 1995-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-09 | 1999-06-10 | 1999-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-09 | 2003-06-10 | 2003-12-10 | $7700.00 | Window Closed / Lapsed |