US4148988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable composition
Assignee: Mitsui Chemicals Inc
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Filing: 1978-06-19
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Granted: 1979-04-10
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Expires: 1998-06-19
Abstract
Abstract A curable composition comprising an aromatic dibasic acid having an ethylenically unsaturated group, such as 4-methacryloxyethyltrimellitate, or an acid anhydride thereof, other ethylenically unsaturated monomer and a catalyst is disclosed. This composition is applied between articles to be bonded together and is polymerized and cured to form an adhesive layer excellent in the water resistance and durability. This composition is especially valuable as a dental adhesive or as an undercoating agent for a paint or adhesive.
Inventors
- 👤 Eiichi Masuhara
- 👤 Nobuo Nakabayashi
- 👤 Morio Takeyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:33
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/30; A; A61; A61K; A61K6/00; A61K6/70; A61K6/71; A61K6/74; A61K6/77; A61K6/78; Y; Y10; Y10S; Y10S528/00; Y10S528/92
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
116 words
A curable composition comprising (A) an ethylenically unsaturated carboxylic acid represented by the following general formula: ##STR6## wherein R 1 is a hydrogen atom or a methyl group, R 2 is an alkylene group having 2 to 4 carbon atoms, and in the benzene ring A, two carboxyl groups are bonded to carbon atoms other than the carbon atoms adjacent to the carbon atom to which the ester group is bonded, or an acid anhydride thereof, (B) at least one ethylenically unsaturated monomer other than said monomer (A), said ethylenically unsaturated monomer (B) being copolymerizable with said monomer (A), and (C) at least one catalyst selected from the group consisting of free radical initiators and photosensitizers.
Claim 2
Dependent Claim
116 words
A curable composition comprising (A) an ethylenically unsaturated carboxylic acid represented by the following general formula: ##STR6## wherein R 1 is a hydrogen atom or a methyl group, R 2 is an alkylene group having 2 to 4 carbon atoms, and in the benzene ring A, two carboxyl groups are bonded to carbon atoms other than the carbon atoms adjacent to the carbon atom to which the ester group is bonded, or an acid anhydride thereof, (B) at least one ethylenically unsaturated monomer other than said monomer (A), said ethylenically unsaturated monomer (B) being copolymerizable with said monomer (A), and (C) at least one catalyst selected from the group consisting of free radical initiators and photosensitizers.
Claim 3
Dependent Claim
17 words
A curable composition as set forth in claim 1 wherein the ethylenically unsaturated carboxylic acid is 4-methacryloxyethyltrimellitate.
Claim 4
Dependent Claim
16 words
A curable composition as set forth in claim 1 wherein the acid anhydride is 4-methacryloxyethyltrimellitate anhydride.
Claim 5
Dependent Claim
49 words
A curable composition as set forth in claim 1 wherein the ethylenically unsaturated monomer (B) is an acrylic monomer represented by the following general formula: ##STR7## wherein R 1 is a hydrogen atom or a methyl group, and R 3 is an alkyl having up to 8 carbon atoms.
Claim 6
Dependent Claim
44 words
A curable composition as set forth in claim 1 wherein the ethylenically unsaturated monomer (B) is a monomer represented by the following general formula: ##STR8## wherein R 1 is a hydrogen atom or a methyl group and R 4 is a divalent organic group.
Claim 7
Dependent Claim
20 words
A curable composition as set forth in claim 1 wherein the ethylenically unsaturated monomer (B) is an aromatic vinyl monomer.
Claim 8
Dependent Claim
44 words
A curable composition as set forth in claim 1 wherein the ethylenically unsaturated carboxylic acid or its acid anhydride (A) is present in an amount of 0.1 to 20 mole % based on the sum of the amounts of said monomers (A) and (B).
Claim 9
Dependent Claim
37 words
A curable composition as set forth in claim 1 wherein the catalyst (C) is present in an amount of 0.1 to 5% by weight based on the sum of the amounts of said monomers (A) and (B).
Claim 10
Dependent Claim
20 words
A curable composition as set forth in claim 1 which further comprises a powder of an acrylic or methacrylic resin.
Claim 11
Dependent Claim
46 words
A curable composition as set forth in claim 9 wherein the powder of the acrylic or methacrylic resin is present in an amount of 0.1 to 2 parts by weight per part by weight of the sum of the amounts of said monomers (A) and (B).
Claim 12
Dependent Claim
13 words
A dental adhesive comprising a curable composition as set forth in claim 1.
References Cited (Backward Citations)
US3063969A
Cited
US3223681A
Cited
US3539526A
Cited
US3975203A
Cited
US3835090A
Cited
US3932556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |