US5352816A
Expired / Lapsed
US
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Organosilicon compound
Assignee: ThreeBond Co Ltd
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Filing: 1993-12-28
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Granted: 1994-10-04
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Expires: 2013-12-28
Abstract
Abstract Disclosed is an organosilicon compound represented by the general formula ##STR1## wherein m and n are each an integer of 1 to 5, R 1 and R 2 are each independently an alkyl group having 1 to 3 carbon atoms or allyl, and a is an integer of 0 to 2. This organosilicon compound is a novel compound capable of affording a photopolymerizable organopolysiloxane of high quality.
Inventors
- 👤 Toru Takeoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:35
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
50 words
An organosilicon compound represented by the following general formula: ##STR7## wherein m and n are each an integer of 1 to 5, R 1 and R 2 are each independently an alkyl group having 1 to 3 carbon atoms or allyl, and a is an integer of 0 to 2.
Claim 2
Dependent Claim
50 words
An organosilicon compound represented by the following general formula: ##STR7## wherein m and n are each an integer of 1 to 5, R 1 and R 2 are each independently an alkyl group having 1 to 3 carbon atoms or allyl, and a is an integer of 0 to 2.
Claim 3
Dependent Claim
76 words
A process for preparing an organosilicon compound represented by the general formula described in claim 1, which process is characterized by a condensation reaction of a vinyl ether containing an end hydroxyl group and represented by the general formula CH.sub.2 =CH--O--(CH.sub.2).sub.m --OH with a silane compound containing an end isocyanate group and represented by the general formula ##STR8## in which formulae R 1 , R 2 a, m and n are as defined in claim 1.
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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) | 1997-10-03 | 1998-04-04 | 1998-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-03 | 2002-04-04 | 2002-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-03 | 2006-04-04 | 2006-10-04 | $7700.00 | Window Closed / Lapsed |