US5449734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable composition
Assignee: New Energy and Industrial Technology Development Organization
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Filing: 1994-03-08
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Granted: 1995-09-12
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Expires: 2014-03-08
Abstract
Abstract A curable composition containing (A) a compound having at least two Si-H bonds, (B) a silicon compound having at least two substituents bonded to the silicon atom thereof, wherein the substituents each have an olefin bond, (C) a neutral platinum catalyst, (D) a silicon compound having at least two alkoxy groups bonded to the silicon atom thereof, and (E) a catalyst for silanol condensation.
Inventors
- 👤 Jun Kotani
- 👤 Kiyoshi Andoh
- 👤 Takahisa Iwahara
- 👤 Kazuya Yonezawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:09
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08G77/04; C08G77/06; C08L; C08L83/00; C08L83/04; C08G77/12; C08G77/14; C08G77/18; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
111 words
A curable composition containing (A) a compound having at least two Si--H bonds, (B) a silicon compound having at least two substituents bonded to the silicon atom thereof, wherein the substituents each have an olefin bond, (C) a neutral platinum catalyst, (D) a silicon compound of the formula (RO) d SiR 4-d , wherein each R is an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a haloaryl group having 6 to 20 carbon atoms, and d is a number from 2 to 4, and (E) is a catalyst for silanol condensation.
Claim 2
Dependent Claim
111 words
A curable composition containing (A) a compound having at least two Si--H bonds, (B) a silicon compound having at least two substituents bonded to the silicon atom thereof, wherein the substituents each have an olefin bond, (C) a neutral platinum catalyst, (D) a silicon compound of the formula (RO) d SiR 4-d , wherein each R is an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a haloaryl group having 6 to 20 carbon atoms, and d is a number from 2 to 4, and (E) is a catalyst for silanol condensation.
Claim 3
Dependent Claim
52 words
The curable composition as claimed in claim 1, wherein the compound (A) has the formula H a R b Si(OR) 4- (a+b), wherein R is defined as in claim 2, a is 2 or 3, b is a number from 0 to 2, and (a+b) is a number from 2 to 4.
Claim 4
Dependent Claim
52 words
The curable composition as claimed in claim 1, wherein the silicon compound (B) has the formula R 1 c SiR 4-c , wherein R 1 is an organic group having at least one olefinic double bond, R is as defined in claim 2 and c is a number from 2 to 4.
Claim 5
Dependent Claim
25 words
The curable composition as claimed in claim 1, wherein the catalyst (E) for silanol condensation is an inorganic acid, an organic acid or a base.
References Cited (Backward Citations)
US3419593A
Cited
FR2228088A1
Cited
US3936581A
Cited
US4558109A
Cited
EP0169529A2
Cited
US5283307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-09-11 | 1999-03-13 | 1999-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-09-11 | 2003-03-13 | 2003-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-09-11 | 2007-03-13 | 2007-09-12 | $7700.00 | Window Closed / Lapsed |