Patent US4980436A successfully refreshed from Google Patents.
US4980436A
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Thermosetting resin composition from alkenyl aryloxy triazine compound and poly maleimide
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1990-01-12
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Granted: 1990-12-25
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Expires: 2010-01-12
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 triazine 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 01:13
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: 12
Claim 1
Independent Claim
32 words
A thermosetting resin composition comprising (i) an s-triazine compound having at least two alkenylaryloxy groups in the molecule and (ii) a polymaleimide compound having at least two maleimide groups in the molecule.
Claim 2
Dependent Claim
32 words
A thermosetting resin composition comprising (i) an s-triazine compound having at least two alkenylaryloxy groups in the molecule and (ii) a polymaleimide compound having at least two maleimide groups in the molecule.
Claim 3
Dependent Claim
39 words
The thermosetting resin composition of claim 1, wherein the s-triazine compound is constituted mainly of a compound represented by the general formula ##STR16## wherein Ar 1 denotes a monovalent alkenylphenol residue adn Y denotes --OAr 1 or another substituent.
Claim 4
Dependent Claim
65 words
The thermosetting resin composition of claim 1, wherein the s-triazine compound is a resin represented by the general formula ##STR17## wherein, n denotes numbers of 0 to 15, denotes a monovalent alkenylphenol residue, Ar 2 denotse a divalent phenol residue, and Y denotes --OAr 1 or another substituent, and at least 20% of the resin consists of components having n values of at least 1.
Claim 5
Dependent Claim
20 words
The thermosetting resin compositions of claim 1, wherein the alkenyl group of the alkenylaryloxy group is propenyl, ispropenyl, or allyl.
Claim 6
Dependent Claim
19 words
The thermosetting resin composition of claim 1, wherein the alkenyl group of the alkenylaryloxy group is propenyl or allyl.
Claim 7
Dependent Claim
21 words
The thermosetting resin comosition of claim 1, wherein the the s-triazine compound has at least three alkenylaryloxy groups in the molecule.
Claim 8
Dependent Claim
20 words
The thermosetting resin composition of claim 2 and claim 3, wherein Y in the general formula is --ORr 1 .
Claim 9
Dependent Claim
35 words
The thermosetting resin composition of claim 1, mixed in such proportions that the amount of the maleimide residue will be 0.4 to 3 equivalents to the amount of the alkenyl group of the alkenylaryloxy group.
Claim 10
Dependent Claim
39 words
A resin composition for encapsulatn comprising (i) an s-triazine compound having at least two alkenylaryloxy groups in the molecule, (ii) a polymaleimide compound having at least two maleimide groups in the molecule, and an inorganic filler, as essential components.
Claim 11
Dependent Claim
39 words
A resin composition for encapsulatn comprising (i) an s-triazine compound having at least two alkenylaryloxy groups in the molecule, (ii) a polymaleimide compound having at least two maleimide groups in the molecule, and an inorganic filler, as essential components.
Claim 12
Dependent Claim
19 words
The resin composition for encapsulant of claim 9, wherein the inorganic filler is a powder of silica or alumina.
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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) | 1993-12-24 | 1994-06-25 | 1994-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-24 | 1998-06-25 | 1998-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-24 | 2002-06-25 | 2002-12-25 | $7700.00 | Window Closed / Lapsed |