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EP0305083A2
Expired / Lapsed
EP
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Method for priming hard tissue
Assignee: 3M Co
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Filing: 1988-08-11
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Granted: —
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Expires: 2008-08-11
Abstract
Abstract A single phase aqueous solution containing water, a water-soluble film former (e.g., 2-hydroxyethylacrylate) and a salt of an acid (e.g, calcium trifluoroacetate) is used as a primer for adhering to or overcoating hard tissue such as tooth dentin.
Inventors
- 👤 Steven M. C/O Minnesota Mining And Aasen
- 👤 Joel D. C/O Minnesota Mining And Oxman
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 05:47
CPC Classifications
A; A61; A61Q; A61Q3/00; A61K; A61K6/00; A61K6/20; A61K6/30; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
47 words
A primer composition, for use in a method for adhering to or coating hard tissue, characterized by comprising a single phase aqueous solution comprising water, water-soluble film former, and a salt of an acid, said solution being in the form of a film atop said hard tissue.
Claim 2
Dependent Claim
47 words
A primer composition, for use in a method for adhering to or coating hard tissue, characterized by comprising a single phase aqueous solution comprising water, water-soluble film former, and a salt of an acid, said solution being in the form of a film atop said hard tissue.
Claim 3
Dependent Claim
68 words
A composition according to claim 1, characterized in that said film former contains one or more addition-polymerizable substances having a sufficient number of water-solubilizing groups to render said film former, exclusive of any water that may be present therein, soluble in water to at least 5 weight percent, such water-solubilizing groups being selected from hydroxyl groups, carboxyl groups, sulfonic acid groups, cationic salts, amide linkages and polyether linkages.
Claim 4
Dependent Claim
15 words
A composition according to any preceding claim, characterized in that said film former comprises 2-hydroxyethylmethacrylate.
Claim 5
Dependent Claim
21 words
A composition according to any preceding claim, characterized in that said salt comprises a salt of a mineral or organic acid.
Claim 6
Dependent Claim
32 words
A composition according to any preceding claim, characterized in that said salt comprises a salt of a carboxylic acid, alkylsulfonic acid, or arylsulfonic acid, and has an alkaline earth or alkali cation.
Claim 7
Dependent Claim
16 words
A composition according to any preceding claim, characterized in that said salt comprises a calcium salt.
Claim 8
Dependent Claim
16 words
A composition according to any preceding claim, characterized in that said salt comprises a haloacetate salt.
Claim 9
Dependent Claim
36 words
A composition according to any preceding claim, characterized in that said solution contains 10 to 90 weight percent of said film former, and at least 0.001 moles of said salt per 1000 grams of said primer.
Claim 10
Dependent Claim
36 words
A composition according to any preceding claim, characterized in that said solution contains 25 to 80 weight percent of said film former, and 0.01 to 1 moles of said salt per 1000 grams of said primer
Claim 11
Dependent Claim
36 words
A composition according to any preceding claim, characterized in that said solution contains 35 to 70 weight percent of said film former, and 0.05 to 0.5 moles of said salt per 1000 grams of said primer.
References Cited (Backward Citations)
No citation records indexed.
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