Patent US4913697A successfully refreshed from Google Patents.
US4913697A
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Thermosetting resin composition from alkenylaryloxy triazine
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1988-12-08
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Granted: 1990-04-03
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Expires: 2008-12-08
Abstract
Abstract A thermosetting resin composition comprising (i) a polymaleimide compound having at least two maleimide groups in the molecule and (ii) an s-triazine compound having at least two alkenylaryloxy groups in the molecule; a resin-composition for encapsulant comprising said polymaleimide compound, said traizine compound, and an inorganic filler as essential components; and said s-triazine compound.
Inventors
- 👤 Yasuhisa Saito
- 👤 Kunimasa Kamio
- 👤 Shuichi Kanagawa
- 👤 Yutaka Shiomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:19
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/30; C07D251/34; C08F; C08F222/00; C08F222/36; C08F222/40; C08F222/404; C08G73/10; C08G73/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
54 words
A resin represented by the general formula ##STR16## wherein, n denotes numbers of 0 to 15, Ar 1 denotes a monovalent alkenylphenol residue, Ar 2 denotes a divalent phenol residue, and Y denotes --OAr 1 or another substituent, at least 20% of said resin consisting of components having n values of at least 1.
Claim 2
Dependent Claim
54 words
A resin represented by the general formula ##STR16## wherein, n denotes numbers of 0 to 15, Ar 1 denotes a monovalent alkenylphenol residue, Ar 2 denotes a divalent phenol residue, and Y denotes --OAr 1 or another substituent, at least 20% of said resin consisting of components having n values of at least 1.
Claim 3
Dependent Claim
18 words
The resin of claim 1, wherein the alkenyl group of the alkenylphenol residue is propenyl, isopropenyl, or allyl.
References Cited (Backward Citations)
JPS52994A
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Cited
JPS53134099A
Cited
JPS564610A
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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) | 1993-04-02 | 1993-10-02 | 1994-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-02 | 1997-10-02 | 1998-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-02 | 2001-10-02 | 2002-04-03 | $7700.00 | Window Closed / Lapsed |