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| Number | Title | Issue Date |
| 4134930 | Resinous materials for restoring crowns Resinous materials for restoring crowns is disclosed herein, said materials prepared by mixing a modified polymethyl methacrylate in the liquid state with powders of a methacrylic resin polymer.... | 01/16/1979 |
| 4131597 | Bioactive composite material process of producing and method of using same The composite material for prosthetic purposes of the present invention is essentially composed of a plastic matrix, preferably of a methacrylate plastic, and at least one bioactive filler material, preferably a glass ceramic material of apatite crystal s... | 12/26/1978 |
| 4128536 | Cyano-oligomer compositions and processes thereof A novel ultra-violet absorber comprising a cyano-oligomer of Formula I of FIG. 1 of the drawings wherein (Ar)1, (Ar)2, R1, R2, R3, R4 and Y are organic radicals is given. A radiation curable ... | 12/05/1978 |
| 4123416 | Curable composition comprising a calcium fluoro-alumino silicate glass and poly(carboxylic acid) or precursor thereof A novel calcium fluoroaluminosilicate glass consisting essentially of from 25 to 35% by weight of silicon calculated as silica, from 30 to 40% by weight of aluminum calculated as alumina, from 20 to 35% by weight calcium, calculated as calcium oxide, and ... | 10/31/1978 |
| 4121940 | Endodontic formula for treatment of root canal An endodontic formula for continuous medication of root canals is provided comprising zinc oxide, titanium oxide, paraformaldehyde, vitreous carbon, hydrocortisone, and prednisolone, all of which may be mixed with a eugenol liquid for filling the root can... | 10/24/1978 |
| 4120729 | Novel low temperature maturing dental glaze The instant invention relates to a novel dental glaze which matures at a temperature of from 1400° to 1600° F, that is, at least 200° lower than the vitrifying temperature of dental porcelain. The chemical composition of this novel glaze may be thusly ... | 10/17/1978 |
| 4108823 | Composition for compensating insufficient adaptation of denture base A composition for compensating the insufficient adaptation of a denture base to the ridges on the jaws or the palate, which comprises polyvinyl acetate, polybutene and ethanol in a weight proportion of 65 - 85 : 2 - 7 : 10 - 35 and which fills up the spac... | 08/22/1978 |
| 4102856 | Dental restorative compositions and process of using them Dental restorative compositions are described comprising a finely divided filler mixed with a resin binder that can be activated to cause it to set in situ after application to a tooth surface or within a tooth cavity. The resin binder has as its primary ... | 07/25/1978 |
| 4101330 | Leucite-containing porcelains and method of making same A ceramic raw material essentially contains a pre-formed leucite filler which is obtained by reacting alumina, silica and potassium carbonate and/or oxide at a temperature of at least 1149° C, and nepheline syenite. A leucite-nepheline syenite ceramic ra... | 07/18/1978 |
| 4097935 | Hydroxylapatite ceramic A novel ceramic form of hydroxylapatite and a novel ceramic product comprising a mixture of the latter and whitlockite, the preparation of these ceramics and dental restorative compositions and dental and surgical prosthetic materials containing the same ... | 07/04/1978 |
| 4093555 | Production of dental models and tooth replacement parts Novel bromine-containing compounds of the formula ##STR1## in which R is an alkylidene radical having 1 to 6 carbon atoms, a cycloalkylidene radical or a SO2 radical, R' is an alkylene radical having 2 to 6 carbon atoms or a cycloalkylene ... | 06/06/1978 |
| 4089830 | Setting solution for dental glass ionomer cements An aqueous setting solution for dental glass ionomer cements comprising 45 to 60% of polyacrylic acid or acrylic acid copolymer and 7 to 25% of one or more of polybasic carboxylic acids based on the total weight.... | 05/16/1978 |
| 4088500 | Water extended hydrophilic molding compositions Molding compositions useful for molding water-extended hydrophilic articles are provided which are tough, soft and form-stable and comprise, generally, an amide-endcapped hydrophilic alkylene oxide polymer, a crosslinking agent, water, and a filler. The c... | 05/09/1978 |
| 4085180 | Method for rigid enclosures and molded items An improved method for providing lightweight and strong rigid enclosures and molded items formed by enclosing, wrapping or filling a mold of said items or articles with a dry peroxide catalyst-impregnated fabric or solid substrate filler material and appl... | 04/18/1978 |
| 4082722 | Pre-mixed dental composition for the preparation of a dental silicate cement Compositions, which may be mixed with water to prepare a dental silicate cement, consist essentially of a silicate glass powder and a solid polymeric material selected of polymers of unsaturated ,ଲ-dicarboxylic acids.... | 04/04/1978 |
| 4080212 | Dental remedy for vital pulp covering and root canal filling, and preparation method therefor An improved dental remedy used for vital pulp covering and root canal filling, and the preparation method therefor, in which the remedy is free from discoloration, excellent in disinfecting effect and adequate in the length of pot life before curing. The ... | 03/21/1978 |
| 4067853 | Compositions of bishydroxysubstitutedary di acrylates for prosthodontia Superior artificial teeth, dentures, other dental replacement parts and dental prosthetic articles and devices, which exhibit high abrasion resistance, stability to moisture and which do not undergo volume changes, are obtained by polymerization of a comp... | 01/10/1978 |
| 4064629 | Cavity liner for dental restorations Dental restorations are prepared by preparing a cavity within a carious tooth for receiving a dental amalgam filling; Coating the surfaces of the cavity with a layer of an adhesive-metal lining composition, the metal of the composition being characterized by t... | 12/27/1977 |
| 4060421 | Combined reversible aqueous colloidal dental impression material A combined reversible aqueous colloidal dental impression material comprising powdery agar-agar, water soluble starch, silicone oil, potassium sulfate, borax, perfume, pigment antiseptic and water. A process for preparing a combined reversible colloidal dental... | 11/29/1977 |
| 4059658 | Low temperature production of high purity fused silica The instant invention is directed to the production of high purity fused silica bodies by means of a three-step process. In the first step, various specifically-defined ratios of aqueous alkali metal silicates with colloidal silica or quaternary ammonium ... | 11/22/1977 |
| 4046578 | Type of adhesive cement and certain improved products made possible thereby New types of fast setting zinc oxide-polycarboxylic acid adhesive cements are disclosed as well as certain improved products the use of these cements makes possible.... | 09/06/1977 |
| 4040844 | Porcelain tooth and method of manufacture A porcelain tooth structure and method of making the same in which a powder-form porcelain is mixed with an adhesive, in an amount suffficient to form a coherent mass of the porcelain, to form a workable paste, the paste is formed into a tooth structure h... | 08/09/1977 |
| 4033774 | Dental impression compound A dental impression composition is formulated from a hydrogenated wood rosin, petrolatum, aluminum powder and talc and includes the following characteristics: (1) good plastic flow at mouth temperature to provide adequate working time with low flow at roo... | 07/05/1977 |
| 4032627 | Tooth whitening cosmetic composition A tooth whitening cosmetic composition of the type applied temporarily to the dry tooth surface and removable by solvent. The cosmetic composition is characterized by its lustrous white appearance, extended wearing time, thicker viscosity and ease of remo... | 06/28/1977 |
| 4032504 | X-ray opaque filler useful in dental and medical restorative compounds A novel X-ray opaque filler for synthetic resinous compositions including dental and medical restorative materials is disclosed.... | 06/28/1977 |
| 4028358 | 6-Fluoro-9-perfluorobutyl purine Novel purine compounds substituted with either fluorine or trimethylammonium are useful as adhesives or continuous and non-continuous coatings and are prepared by a novel process.... | 06/07/1977 |
| 4002669 | Hydroxy group containing diesters of acrylic acid Polymerizable hydroxy-group-containing diesters of acrylic acids for dental material are prepared by reacting 3-(3,4-epoxycyclohexyl)-8,9-epoxy-2,4-dioxaspiro(5,5) undecane or a bis-epoxide of formula (A) ##STR1## or a bis-epoxide of formula (B)... | 01/11/1977 |
| 4001151 | Anhydrous products having improved wettability characteristics Water-wettable anhydrous products, such as the powders and creams used in cosmetic and drug products, are admixed with 20% to 60% by weight, based on the weight of the total formulation, of a powdered polyethylene or powdered polypropylene polymer, to imp... | 01/04/1977 |
| 3997504 | Composition and method for treating teeth In accordance with the invention there is provided a method, and a composition for the practice of the method, for repairing tooth or bone structure wherein there is applied to the tooth or bone tissue a composition comprising a polymerized or polymerizab... | 12/14/1976 |
| 3992515 | Composition for indicating and method of removing dental undercuts and the like A dental indicator composition useful for, among other things, indicating an undercut, binding, or restricting area on a tooth, or a laboratory model and/or procedure, the composition comprising a coloring agent, a vehicle composition for the coloring age... | 11/16/1976 |
| 3986998 | Mixing liquid for silicate cements Dental cements are prepared by mixing a silicate powder with an aqueous solution of polymers of unsaturated alpha, beta-dicarboxylic acids.... | 10/19/1976 |
| 3975203 | Composition for use as a filler in tooth filling and facing composition and method of making the same A filler composition for tooth filling and facing compositions comprising (1) a finely divided inorganic material, and (2) a barium aluminosilicate glass or other glass having an effective amount of radiopaque oxide that renders the resultant glass radiop... | 08/17/1976 |
| 3974104 | Denture bases of X-ray opaque polymers A radio opaque denture base formed of a copolymer of an ethylenically unsaturated monomer containing chemically bound tin together with at least one ethylenically unsaturated monomer, the ethylenically unsaturated monomer containing chemically bound tin b... | 08/10/1976 |
| 3973970 | Additive composition for making dental materials Addition of ammonium stabilized colloidal silica, borax and boric acid to the distilled water in which dental porcelain is fired greatly increases the firing range by reducing "balling" or edge rounding, and flow deformation. Greatly increased machinabili... | 08/10/1976 |
| 3973972 | Glass ceramic as filler in polymerizable dental filling compositions Transparent, colorless, particulate glass ceramic having a low coefficient of expansion, a high absorptivity for X-rays and which is useful in dental filling compositions, has the following ingredients, expressed as percent by weight of oxides: SiO2 | 08/10/1976 |
| 3966479 | Dental investment material A dental investment material comprising a modified calcium sulfate which when hydrated possesses unique fracture properties of particular advantage when the material is used as a composition for making molds particularly for use in the lost wax process.... | 06/29/1976 |
| 3959212 | Radio-opaque dental restorative material A radio-opaque composite material for use as a dental restorative which consists essentially of a conventional polymerizable resin binder and catalysts in admixture with a finely-divided inorganic filler capable of being coupled to the binder. The filler ... | 05/25/1976 |
| 3936402 | Anhydrous products having improved wettability characteristics, case 5 Water-wettable anhydrous products, such as the powders and creams used in cosmetic and drug products, are admixed with 20 to 60% by weight, based on the weight of the total formulation, of a powdered polyethylene or powdered polypropylene polymer, to impr... | 02/03/1976 |
| 3930871 | Thickening compositions A thickening composition comprising a mixture of a Xanthomonas hydrophilic colloid with dextrin. A thickened aqueous media containing a mixture of a Xanthomonas hydrophilic colloid and dextrin. A denture adhesive composition containing a Xanthomonas hydro... | 01/06/1976 |
