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US 6,982,288 B2Granted
Medical compositions containing an ionic salt, kits, and methods
Assignee3M Innovative Properties Company
InventorsSumita B. Mitra, Afshin Falsafi
Life of this patent
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Abstract
A hardenable medical composition (preferably, dental composition) that includes an ionic redox polymerization system and at least one secondary ionic salt that includes a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof.
Claims45
A multi-part hardenable medical composition, wherein at least one part comprises:
- a hardenable resin system comprising an ethylenically unsaturated component;
- water;
- an ionic reducing agent or an ionic oxidation agent;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt.
3 more elements
A multi-part hardenable medical composition, wherein at least one part comprises:
- a hardenable resin system comprising an ethylenically unsaturated component;
- water;
- a filler;
- an ionic reducing agent or an ionic oxidation agent;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt.
4 more elements
A multi-part hardenable dental composition, wherein at least one part comprises:
- a hardenable resin system comprising an ethylenically unsaturated component and an acid-functional component;
- water;
- an acid-reactive filler;
- an ionic oxidizing agent;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt.
4 more elements
A kit for forming a medical composition, the kit comprising at least one container comprising a composition comprising:
- a hardenable resin system comprising an ethylenically unsaturated component;
- water;
- an ionic reducing agent or an ionic oxidation agent;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the composition in the at least one container has increased shelf life relative to the same composition without the secondary ionic salt.
3 more elements
A method of making a multi-part hardenable medical composition, the method comprising:
- providing a hardenable resin system comprising an ethylenically unsaturated component;
- providing water;
- providing an ionic oxidizing agent or an ionic reducing agent;
- providing a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- and
- mixing the resin system, the water, the ionic oxidizing agent or ionic reducing agent, and the secondary ionic salt to form at least one part of the composition;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt.
4 more elements
A method of adhering a dental article to a tooth or bone, the method comprising:
- providing a multi-part hardenable dental composition, wherein at least one part comprises:
- a hardenable resin system comprising an ethylenically unsaturated component;
- water;
- an ionic oxidizing agent or ionic reducing agent;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt;
- and
- adhering the dental article to the tooth or bone using the hardenable composition.
6 more elements
A method of cementing a dental article to a tooth or bone, the method comprising:
- providing a mulit-part hardenable dental composition, wherein at least one part comprises:
- a hardenable resin system comprising an ethylenically unsaturated component;
- water;
- a filler;
- an ionic oxidizing agent or ionic reducing agent;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt;
- and
- cementing the dental article to the tooth or bone using the hardenable composition.
7 more elements
A method of filling a tooth, the method comprising:
- providing a multi-part hardenable dental composition, wherein at least one part comprises:
- a hardenable resin system comprising an ethylenically unsaturated component;
- water;
- an ionic redox polymerization system comprising an ionic oxidizing agent, a reducing agent comprising a urea or thiourea functional group;
- and
- a secondary ionic salt comprising a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof;
- wherein the at least one part has increased shelf life relative to the same part without the secondary ionic salt;
- and
- applying the hardenable composition to the tooth.
6 more elements
Dependencies are inferred from the claim text.