Patent US4946928A successfully refreshed from Google Patents.
US4946928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable resin from cyanate aromatic ester and propargyl aromatic ether
Assignee: Resolution Performance Products LLC
•
Filing: 1989-02-15
•
Granted: 1990-08-07
•
Expires: 2009-02-15
Abstract
Abstract New curable resin composition comprises a cyanate aromatic ester and a propargyl aromatic ether.
Inventors
- 👤 Roy J. Jackson
- 👤 Anthony M. Pigneri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:16
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/12; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; Y; Y10; Y10T; Y10T428/00; Y10T428/31504
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
29 words
A curable resin composition comprising (a) a cyanate aromatic ester monomer, prepolymers thereof or prepolymers of the ester monomer and an amine; and (b) a propargyl aromatic ether monomer.
Claim 2
Dependent Claim
29 words
A curable resin composition comprising (a) a cyanate aromatic ester monomer, prepolymers thereof or prepolymers of the ester monomer and an amine; and (b) a propargyl aromatic ether monomer.
Claim 3
Dependent Claim
31 words
A composition according to claim 1 wherein (a) is a dicyanate aromatic ester of a dihydric phenol, or is a prepolymer thereof or a prepolymer of the ester and an amine.
Claim 4
Dependent Claim
28 words
A composition according to claim 2 wherein (a) is a dicyanate ester of bisphenol A or a prepolymer thereof or a prepolymer of the ester and an amine.
Claim 5
Dependent Claim
11 words
A composition according to claim 3 wherein (a) is a prepolymer.
Claim 6
Dependent Claim
16 words
A composition according to claim 1 wherein (b) is a dipropargyl ether of a dihydric phenol.
Claim 7
Dependent Claim
15 words
A composition according to claim 5 wherein (b) is a dipropargyl ether of bisphenol A.
Claim 8
Dependent Claim
25 words
A composition according to claim 1 wherein the ratio by weight of component (a) to component (b) is in the range 70:30 to about 30:70.
Claim 9
Dependent Claim
25 words
A composition according to claim 7 wherein the ratio by weight of component (a) to component (b) is in the range of 70:30 to 40:60.
Claim 10
Dependent Claim
19 words
A composition according to claim 8 wherein the ratio by weight of component (a) to component (b) is 50:50.
Claim 11
Dependent Claim
41 words
A composition according to claim 1 wherein (a) is a dicyanate aromatic ester of a dihydric phenol, a prepolymer thereof or a prepolymer of the ester monomer and an amine; and (b) is a dipropargyl aromatic ether of a dihydric phenol.
Claim 12
Dependent Claim
36 words
A composition according to claim 10 wherein (a) is a dicyanate ester of bisphenol A, a prepolymer thereof or a prepolymer of the ester and an amine, and (b) is a dipropargyl ether of bisphenol A.
Claim 13
Dependent Claim
11 words
A composition according to claim 11 wherein (a) is a prepolymer.
Claim 14
Dependent Claim
25 words
A composition according to claim 11 wherein the ratio by weight of component (a) to component (b) is in the range of 70:30 to 40:60.
Claim 15
Dependent Claim
15 words
A composition according to claim 13 wherein the ratio of (a) to (b) is 50:50.
Claim 16
Dependent Claim
20 words
A cured composition comprising a composition of claim 1 which has been cured in the presence of a curing agent.
Claim 17
Dependent Claim
13 words
A composition according to claim 15 wherein the curing agent is zinc octoate.
Claim 18
Dependent Claim
9 words
A laminating composition comprising a composition of claim 1.
Claim 19
Dependent Claim
20 words
A process of preparing a cured resin which comprises treating a composition according to claim 1 with a curing agent.
Claim 20
Dependent Claim
39 words
A process according to claim 18 wherein the composition is in one in which (a) is a dicyanate of bisphenol A, a prepolymer thereof or a prepolymer and an amine, and (b) is a dipropargyl ether of bisphenol A.
Claim 21
Dependent Claim
13 words
A process according to claim 19 wherein the curing agent is zinc octoate.
References Cited (Backward Citations)
US3748305A
Cited
US4110364A
Cited
DE2825413A1
Cited
DE2907195A1
Cited
US4554346A
Cited
US4777226A
Cited
US4774282A
Cited
US4861823A
Cited
US4749760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-08-06 | 1994-02-05 | 1994-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-06 | 1998-02-05 | 1998-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-06 | 2002-02-05 | 2002-08-07 | $7700.00 | Window Closed / Lapsed |