EP0142172A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Composition usable as adhesive
Assignee: Dentsply Sirona Inc
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Filing: 1984-11-14
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Granted: —
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Expires: 2004-11-14
Abstract
Abstract A new polymerizable composition of matter, especially an adhesive composition that is advantageous as a dental adhesive for bonding with acrylic and metal materials. The composition includes polar organic composition chosen from the group consisting of acids and salts and mixtures thereof, multifunctional vinyl crosslinking composition, and a solvent composition giving said new polymerizable composition solvent action. The preferred polar organic is an acrylic acid, the preferred multifunctional vinyl crosslinking composition is difunctional acrylic crosslinking monomer, and the solvent preferably includes dicyclopentenyloxyethyl methacrylate. The composition preferably further includes urethane diacrylate oligomer and a polymerization initiator system, preferably visible light curing with an accelerator. Methods of forming dentures are also disclosed.
Inventors
- 👤 Louis H. Tateosian
- 👤 Shek Chee Horne
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 17:59
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/06; A; A61; A61K; A61K6/00; A61K6/70; A61K6/71; A61K6/74; A61K6/75; A61K6/76; A61K6/77
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
40 words
A new polymerizable composition of matter comprising: a. polar organic composition chosen from the group consisting of acids and salts and mixtures thereof, b. multifunctional vinyl crosslinking composition, and, c. a solvent composition giving said new polymerizable composition solvent action.
Claim 2
Dependent Claim
40 words
A new polymerizable composition of matter comprising: a. polar organic composition chosen from the group consisting of acids and salts and mixtures thereof, b. multifunctional vinyl crosslinking composition, and, c. a solvent composition giving said new polymerizable composition solvent action.
Claim 3
Dependent Claim
130 words
The new polymerizable composition of Claim 1 wherein said polar organic composition is an acid and is present in an amount of about 0.1 to about 30 weight percent of the recited components, said multifunctional vinyl crosslinking composition is difunctional acrylic crosslinking monomer composition present in an amount of about 0.1 to about 30 weight percent of the recited components, and said solvent composition is present in an amount of about 5 to about 80 weight percent of the recited components and wherein said new polymerizable composition further comprising urethane diacrylate oligomer composition present in an amount of about 20 to about 70 weight percent of the recited components and polymerization initiator system composition present in an amount of about 0.01 to about 50 weight percent of the recited components.
Claim 4
Dependent Claim
13 words
The new polymerizable composition of Claim 1 wherein said solvent comprising dicyclopentenyloxyethyl methacrylate.
Claim 5
Dependent Claim
31 words
The new polymerizable composition of Claim 3 wherein said solvent comprising at least about 20 weight percent dicyclopentenyloxyethyl methacrylate and at least about 25 weight percent of other organic solvent composition.
Claim 6
Dependent Claim
25 words
The new polymerizable composition of Claim 4 wherein said other organic solvent compound is chosen from the group consisting of methyl methacrylate and methylene chloride.
Claim 7
Dependent Claim
16 words
The new polymerizable composition of Claim 2 wherein said initiator system comprises a radiation activatable compound.
Claim 8
Dependent Claim
54 words
The new polymerizable composition of Claim 1 wherein the solvent composition is a good solvent for acrylic materials, has a solubility parameter of about 8.5 to about 13.3 (cal/cm3)½, is weakly or moderately hydrogen bonding, swells polymerized acrylic material, and on hardening bonds and/or allows ingress of compounds that bond to polymerized acrylic material.
Claim 9
Dependent Claim
127 words
The new polymerizable composition of Claim 1 wherein said acid composition is polymerizable and is present in an amount of about 1 to about 10 weight percent of the recited components, said difunctional acrylic crosslinking monomer composition is present in an amount of about 0.5 to about 20 weight percent of the recited components, said solvent compound is present in an amount of about 20 to about 60 weight percent of the recited components and is at least 25 weight percent dicyclopentenyloxyethyl methacrylate, said urethane diacrylate oligomer composition is present in an amount of about 35 to about 60 weight percent of the recited components, and said polymerization initiator system composition present in an amount of about 0.2 to about 25 weight percent of the recited components.
Claim 10
Dependent Claim
153 words
The new polymerizable composition of Claim 8 wherein said acrylic acid composition is acrylic acid or methacrylic and is present in an amount of about 3 to about 9 weight percent of the recited components, said difunctional acrylic crosslinking monomer composition is present in an amount of about 2 to about 15 weight percent of the recited components, said solvent composition compound is present in an amount of about 30 to about 50 weight percent of the recited components and is at least 30 weight percent dicyclopentenyl- oxyethyl methacrylate and at least 25 weight percent of other organic solvent composition, said urethane diacrylate oligomer composition is present in an amount of about 40 to about 50 weight percent of the recited components, and said polymerization initiator system composition comprising a visible light photoinitiator and an accelerator and present in an amount of about 0.04 to about 5 weight percent of the recited components.
Claim 11
Dependent Claim
25 words
An adhesive material comprising: a. polar organic composition, b. multifunctional vinyl crosslinking composition, and c. solvent composition giving said adhesive material a substantial solvent action.
Claim 12
Dependent Claim
25 words
An adhesive material comprising: a. polar organic composition, b. multifunctional vinyl crosslinking composition, and c. solvent composition giving said adhesive material a substantial solvent action.
Claim 13
Dependent Claim
19 words
The composition of Claim 10 comprising an initiator system activatable to cause said multifunctional vinyl crosslinking composition to crosslink.
Claim 14
Dependent Claim
15 words
The composition of Claim 11 wherein said initiator system comprising a visible light activatable compound.
Claim 15
Dependent Claim
129 words
The adhesive material of Claim 10 wherein said polar organic composition is an acid and is present in an amount of about 0.1 to about 30 weight percent of the recited components, said multifunctional vinyl crosslinking composition is difunctional acrylic crosslinking monomer composition present in an amount of about 0.1 to about 30 weight percent of the recited components, and said solvent composition is present in an amount of about 5 to about 80 weight percent of the recited components and wherein said new polymerizable composition further comprising urethane diacrylate oligomer composition present in an amount of about 20 to about 70 weight percent of the recited components and polymerization initiator system composition present in an amount of about 0.01 to about 10 weight percent of the recited components.
Claim 16
Dependent Claim
12 words
The adhesive material of Claim 10 wherein said solvent comprising dicyclopentenyloxyethyl methacrylate.
Claim 17
Dependent Claim
30 words
The adhesive material of Claim 14 wherein said solvent comprising at least about 20 weight percent dicyclopentenyloxyethyl methacrylate and at least about 25 weight percent of other organic solvent composition.
Claim 18
Dependent Claim
24 words
The adhesive material of Claim 15 wherein said other organic solvent compound is chosen from the group consisting of methyl methacrylate and methylene chloride.
Claim 19
Dependent Claim
55 words
The adhesive material of Claim 10 wherein the solvent composition is a good solvent for acrylic materials, has a solubility parameter of about 8.5 to about 13.3 (cal/cm 3 1', is weakly or moderately hydrogen bonding, swells polymerized acrylic material, and on hardening bonds and/or allows ingress of compounds that bond to polymerized acrylic material.
Claim 20
Dependent Claim
141 words
The adhesive material of Claim 17 wherein said polar organic composition is an acrylic acid composition and is present in an amount of about 1 to about 10 weight percent of the recited components, said multifunctional vinyl crosslinking composition is a difunctional acrylic crosslinking monomer composition and is present in an amount of about 0.5 to about 20 weight percent of the recited components, said solvent compound is present in an amount of about 20 to about 60 weight percent of the recited components and is at least 25 weight percent dicyclopentenyloxyethyl methacrylate, and wherein said adhesive material further comprising urethane diacrylate oligomer composition present in an amount of about 35 to about 60 weight percent of the recited components, and polymerization initiator system composition present in an amount of about 0.1 to about 10 weight percent of the recited components.
Claim 21
Dependent Claim
16 words
The adhesive material of Claim 18 wherein said initiator system composition comprising a visible light photoinitiator.
Claim 22
Dependent Claim
26 words
The adhesive material of Claim 19 further comprising one or more selected from the group consisting of pigment fillers, adhesion promoters, thickeners, wetting agents, and stabilizers.
Claim 23
Dependent Claim
26 words
The adhesive material of Claim 15 wherein after polymerization hardening, its surface is only partially polymerized due to oxygen inhibition and is bondable with monomeric compositions.
Claim 24
Independent Claim
60 words
A method of forming a denture comprising forming a tooth structure of ridged acrylic, coating at least a portion of said tooth structure with a bonding composition comprising: a. polar organic composition, b. multifunctional vinyl crosslinking monomer composition, and c. solvent composition giving said adhesive material a substantial solvent action, and engaging an acrylic denture base composition with said coating.
Claim 25
Independent Claim
60 words
A method of forming a denture comprising forming a tooth structure of ridged acrylic, coating at least a portion of said tooth structure with a bonding composition comprising: a. polar organic composition, b. multifunctional vinyl crosslinking monomer composition, and c. solvent composition giving said adhesive material a substantial solvent action, and engaging an acrylic denture base composition with said coating.
Claim 26
Dependent Claim
14 words
The method of Claim 22 wherein said bonding composition comprising a radiation activatable compound.
Claim 27
Dependent Claim
23 words
The method of forming a denture of Claim 22 wherein said bonding composition comprising an initiator system comprising a visible light activatable compound.
Claim 28
Dependent Claim
131 words
The method of forming a denture of Claim 22 wherein said polar organic composition is an acid and is present in an amount of about 0.1 to about 30 weight percent of the recited components, said multifunctional vinyl crosslinking composition is difunctional acrylic crosslinking monomer composition present in an amount of about 0.1 to about 30 weight percent of the recited components, and said solvent composition is present in an amount of about 5 to about 80 weight percent of the recited components and wherein said bonding composition further comprising urethane diacrylate oligomer composition present in an amount of about 20 to about 70 weight percent of the recited components and polymerization initiator system composition present in an amount of about 0.01 to about 10 weight percent of the recited components.
Claim 29
Dependent Claim
33 words
The method of forming a denture of Claim 25 wherein said solvent comprising at least about 20 weight percent dicyclopentenyloxyethyl methacrylate and at least about 25 weight percent of other organic solvent composition.
Claim 30
Independent Claim
60 words
A method of forming a plastic veneered dental bridge comprising forming a bridge substructure of metal, coating at least a portion of said metal with a bonding composition comprising: a. polar organic composition, b. multifunctional vinyl crosslinking monomer composition, and c. solvent composition giving said adhesive material a substantial solvent action, and engaging an acrylic veneer material with said coating.
Claim 31
Independent Claim
60 words
A method of forming a plastic veneered dental bridge comprising forming a bridge substructure of metal, coating at least a portion of said metal with a bonding composition comprising: a. polar organic composition, b. multifunctional vinyl crosslinking monomer composition, and c. solvent composition giving said adhesive material a substantial solvent action, and engaging an acrylic veneer material with said coating.
Claim 32
Dependent Claim
36 words
The method of Claim 27 wherein said bonding composition comprising a radiation activatable compound and wherein said bonding composition is cured after engagement by said acrylic veneer by exposure through said acrylic veneer by activating radiation.
Claim 33
Dependent Claim
16 words
The method of Claim 28 wherein said radiation activatable compound is a visible light activatable compound.
Claim 34
Dependent Claim
127 words
The method of Claim 27 wherein said polar organic composition is an acid and is present in an amount of about 0.1 to about 30 weight percent of the recited components, said multifunctional vinyl crosslinking composition is difunctional acrylic crosslinking monomer composition present in an amount of about 0.1 to about 30 weight percent of the recited components, and said solvent composition is present in an amount of about 5 to about 80 weight percent of the recited components and wherein said bonding composition further comprising urethane diacrylate oligomer composition present in an amount of about 20 to about 70 weight percent of the recited components and polymerization initiator system composition present in an amount of about 0.01 to about 10 weight percent of the recited components.
Claim 35
Dependent Claim
39 words
The method of Claim 30 wherein said solvent comprising at least about 20 weight percent dicyclopentenyloxyethyl methacrylate and at least about 25 weight percent of other organic solvent composition and wherein said bonding composition further comprising light opaquer agent.
Claim 36
Dependent Claim
11 words
The adhesive material of Claim 13 further comprising light opaquing agent.
References Cited (Backward Citations)
No citation records indexed.
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