US4632966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resin composition of an allylated novolak and a bis-maleimide
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1985-10-10
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Granted: 1986-12-30
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Expires: 2005-10-10
Abstract
Abstract A thermosetting resin composition comprising an N,N'-bismaleimide compound and an allylated phenol novolak resin having partially or wholly allyl-etherified phenolic hydroxyl groups and substantially no nucleous-substituted allyl group.
Inventors
- 👤 Shuichi Kanagawa
- 👤 Hisao Takagishi
- 👤 Teruho Adachi
- 👤 Kunimasa Kamio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C08F; C08F290/00; C08F290/08; C08F290/14; C08L; C08L61/00; C08L61/04; C08L61/06; C08L61/14
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
28 words
A thermosetting resin composition comprising an N,N'-bismaleimide compound and an allylated phenol novolak resin having partially or wholly allyl-etherified phenolic hydroxyl groups and substantially no nucleus-substituted allyl group.
Claim 2
Dependent Claim
28 words
A thermosetting resin composition comprising an N,N'-bismaleimide compound and an allylated phenol novolak resin having partially or wholly allyl-etherified phenolic hydroxyl groups and substantially no nucleus-substituted allyl group.
Claim 3
Dependent Claim
28 words
A thermosetting resin composition according to claim 1, wherein the allylated phenol novolak resin is the one prepared by reacting a phenol novolak resin with an allyl halide.
Claim 4
Dependent Claim
29 words
A thermosetting resin composition according to claim 2, wherein the phenol novolak resin is the one prepared by reacting a substituted or unsubstituted phenol compound with an aldehyde compound.
Claim 5
Dependent Claim
37 words
A thermosetting resin composition according to claim 3, wherein the phenol novolak resin is the one prepared from a substituted phenol selected from cresols, ethylphenols, isopropylphenols, butylphenols, octylphenols, nonylphenols, vinylphenols, isopropenylphenols, phenylphenols, benzylphenols, chlorophenols, bromophenols, xylenols, methylbutylphenols.
Claim 6
Dependent Claim
14 words
A thermosetting resin composition according to claim 4, wherein the substituted phenol is cresols.
Claim 7
Dependent Claim
23 words
A thermosetting resin composition according to claim 1, wherein the allylated phenol novolak resin is the one having wholly allyl-etherified phenolic hydroxyl group.
Claim 8
Dependent Claim
23 words
A thermosetting resin composition according to claim 4, wherein the allylated phenol novolak resin is the one having wholly allyl-etherified phenolic hydroxyl group.
Claim 9
Dependent Claim
23 words
A thermosetting resin composition according to claim 5, wherein the allylated phenol novolak resin is the one having wholly allyl-etherified phenolic hydroxyl group.
Claim 10
Dependent Claim
14 words
A thermosetting resin composition according to claim 1, wherein the N,N'-bismaleimide compound is N,N'-diphenylmethane-bismaleimide.
Claim 11
Dependent Claim
28 words
A thermosetting resin composition according to claim 6, wherein the amount of the allyl-etherified novolak resin is from 0.2 to 3.0 equivalents per equivalent of the N,N'-bismaleimide compounds.
Claim 12
Dependent Claim
28 words
A thermosetting resin composition according to claim 6, wherein the amount of the allyl-etherified novolak resin is from 0.2 to 2.0 equivalents per equivalent of the N,N'-bismaleimide compounds.
Claim 13
Dependent Claim
28 words
A therosetting resin composition according to claim 4, wherein the amount of the allyl-etherified novolak resin is from 0.2 to 2.0 equivalents per equivalent of the N,N'-bismaleimide compounds.
Claim 14
Dependent Claim
19 words
A method of producing a cured resin product which comprises using a thermosetting resin composition according to claim 1.
Claim 15
Dependent Claim
25 words
A method according to claim 13, wherein a cured resin product is one selected from a casting, an impregnant, a laminate and a molding material.
Claim 16
Dependent Claim
9 words
A cured resin product obtained according to claim 13.
References Cited (Backward Citations)
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Cited
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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) | 1989-12-29 | 1990-06-30 | 1990-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-29 | 1994-06-30 | 1994-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-29 | 1998-06-30 | 1998-12-30 | $7700.00 | Window Closed / Lapsed |