US4913697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resin composition from alkenylaryloxy triazine
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1988-12-08
•
Granted: 1990-04-03
•
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 01:08
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
Cited
US4100140A
Cited
US4127615A
Cited
JPS53134099A
Cited
JPS564610A
Cited
JPS5827806A
Cited
JPS5915126A
Cited
US4808717A
Cited
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 |