Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
116 words
A dental appliance comprising a hard, water insensitive shaped body having at least one portion comprising a polymerized blend of: (A) from 0% to about 50% of an uncrosslinked polymer capable of dissolving in component (B); (B) from about 20% to about 66% of a monofunctional polymerizable monomer; (C) from about 10% to about 70% of a crosslinked polymer in the form of discrete particles having average diameters up to about 500 microns and being swellable by said monomer; and (D) from about 7% to about 27% of a di- or polyfunctional crosslinking agent reactive with said polymerizable monomer; said percentages being based upon the total weight of A, B, C and D in said composition.
Claim 2
Dependent Claim
116 words
A dental appliance comprising a hard, water insensitive shaped body having at least one portion comprising a polymerized blend of: (A) from 0% to about 50% of an uncrosslinked polymer capable of dissolving in component (B); (B) from about 20% to about 66% of a monofunctional polymerizable monomer; (C) from about 10% to about 70% of a crosslinked polymer in the form of discrete particles having average diameters up to about 500 microns and being swellable by said monomer; and (D) from about 7% to about 27% of a di- or polyfunctional crosslinking agent reactive with said polymerizable monomer; said percentages being based upon the total weight of A, B, C and D in said composition.
Claim 3
Dependent Claim
23 words
The appliance of claim 1 wherein said crosslinked polymer is present in an amount of from about 13% to about 52% by weight.
Claim 4
Dependent Claim
23 words
The appliance of claim 1 wherein said uncrosslinked polymer is present in an amount of from about 13% to about 34% by weight.
Claim 5
Dependent Claim
23 words
The appliance of claim 1 wherein said polymerizable monomer is present in an amount of from about 25% to about 55% by weight.
Claim 6
Dependent Claim
22 words
The appliance of claim 1 wherein said crosslinking agent is present in amount of from about 7% to about 22% by weight.
Claim 7
Dependent Claim
21 words
The appliance of claim 1 wherein at least 50% by wight of said particles have average diameters below about 150 microns.
Claim 8
Dependent Claim
89 words
The appliance of claim 1 wherein said crosslinked polymer is present in an amount of about 13% to about 52% by weight, said uncrosslinked polymer is present in an amount of from about 13% to about 34% by weight, said polymerizable monomer is present in an amount of from about 25% to about 55% by weight, said crosslinking agent is present in an amount of from about 7% to about 22% by weight, and at least 50% bt weight of said particles have average diameters below about 150 microns.
Claim 9
Dependent Claim
41 words
The appliance of claims 1, 5, 6 or 7 wherein said crosslinking agent is selected from the group consisting of 2,2-bis(methacryloxyphenyl)propane; ethylene "glycol" dimethacrylate; ethylene "glycol" diacrylate; 2,2-bis[4-(2-hydroxy-3-methacryloxypropoxy)phenyl[propane; and the reaction product of either hydroxyethyl acrylate or hydroxyethyl methacrylate and 2,2,4-trimethylhexyl-1,6-diisocyanate.
Claim 10
Dependent Claim
33 words
The appliance of claims 1, 6 or 7 further comprising one or more members selected from the group consisting of free radical initiators, photochemical initiators, activators, pigments, fillers, adhesion modifiers and radiopaquing agents.
Claim 11
Dependent Claim
79 words
The appliance of claim 1 wherein said polymerizable monomer comprises an ester of an acid selected from the group consisting of acrylic acid and C 1 to C 6 alkyl acrylic acids and an alcohol selected from the group consisting of alkyl alcohols having from 1 to about 20 carbon atoms, cycloalkyl alcohols having from 1 to about 20 carbon atoms, phenol, and alkyl substituted phenol having from 1 to about 6 carbon atoms in the alkyl substituents thereof.
Claim 12
Dependent Claim
59 words
The appliance of claim 1 wherein said crosslinking agent comprises an ester of at least two moles of an acid selected from the group consisting of acrylic acid and C 1 to C 6 alkyl acrylic acids reacted with one moleof an alcohol having at least two hydroxylic functionalities said alcohol having from 2 to about 30 carbon atoms.
Claim 13
Dependent Claim
27 words
The appliance of claim 1 wherein said polymerizable monomer is selected from the group consisting of methyl-, ethyl-, trifluoroethyl-, propyl-, butyl-, pentyl-, and hexyl-, acrylate and methacrylate.
Claim 14
Dependent Claim
18 words
The appliance of claim 1 wherein said uncrosslinked polymer comprises a polymerized mixture of two or more monomers.
Claim 15
Dependent Claim
72 words
The appliance of claim 1 wherein said uncrosslinked polymer comprises a polymerized ester of an acid selected from the group consisting of acrylic acid and C 1 to C 6 alkyl acrylic acids and an alcohol selected from the group consisting of alkyl and cycloalkyl alcohols having from 1 to about 20 carbon atoms, phenol, and alkyl substituted phenol having from 1 to about 6 carbon atoms in the alkyl substituents thereof.
Claim 16
Dependent Claim
28 words
The appliance of claim 1 wherein said uncrosslinked polymer is selected from the group consisting of polymerized methyl-, ethyl-, propyl-, isopropyl- and butyl-acrylate and methacrylate and mixtures thereof.
Claim 17
Dependent Claim
33 words
The appliance of claim 1 wherein said crosslinked polymer comprises a polymerized misture of from about 70% to about 99.99% monomer and from about 0.01% to about 30% crosslinking agent for said monomer.
Claim 18
Dependent Claim
78 words
The appliance of claim 16 wherein said monomer comprises an ester of an acid selected from the group consisting of acrylic acids, and C 1 to C 6 alkyl acrylic acids and an alcohol selected from the group consisting of alkyl alcohols having from 1 to about 20 carbon atoms, cycloalkyl alcohols having from 1 to about 20 carbon atoms, phenol, and alkyl substituted phenol having from 1 to about 6 carbon atoms in the alkyl substituents thereof.
Claim 19
Dependent Claim
42 words
The appliance of claim 17 wherein said crosslinking agent comprises an ester of at least two moles of said acid reacted with one mole of an alcohol having at least two hydroxylic functionalities and having from 2 to about 30 carbon atoms.
Claim 20
Dependent Claim
59 words
The appliance of claim 16 wherein said crosslinking agent comprises an ester of at least two moles of an acid selected from the group consisting of acrylic acid and C 1 to C 6 alkyl acrylic acids, reacted with one mole of an alcohol having at least two hydroxylic functionalities and having from 2 to about 30 carbon atoms.
Claim 21
Dependent Claim
25 words
The appliance of claim 1 or 7 wherein said appliance exhibits the structure of an interpenetrating polymeric network at least locally interior to said portion.