| Tokuyama Dental Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20130071804 | Adhesive for Teeth-Straightening Members - The present invention discloses an adhesive for orthodontic attachments, which contains (A) a polymerizable monomer, (B) a polymerization initiator and (C) a fluorescent dye and, when cured, exhibits a fluorescence spectrum having a peak at 400 to 800 nm. As the polymerization initiator (B), there is preferably used a compound which generates a radical through the transfer of hydrogen between two components, or a compound which generates a radical species through intramolecular cleavage. As the fluorescent dye (C), a coumarin type dye is used preferably. | 03-21-2013 |
| 20130068132 | KIT FOR ADHESION BETWEEN ALGINATE IMPRESSION MATERIAL FOR DENTAL USE AND IMPRESSION TRAY - Disclosed is a kit for adhesion between an alginate impression material for dental use and an impression tray, which contains: (U) a pretreatment agent that contains (I) 100 parts by mass of an organic solvent that has a solubility parameter (δ) of 17.0-23.0 [(MPa) | 03-21-2013 |
| 20130032241 | EJECTION DEVICE AND METHOD OF FILLING THE EJECTION DEVICE WITH A MATERIAL - [Problems] To fill a container with a material without applying a high pressure to the material that is to be filled. | 02-07-2013 |
| 20130032058 | ALGINIC ACID-CONTAINING AQUEOUS COMPOSITION, DENTAL ALGINATE IMPRESSION MATERIAL, AND BASE MATERIAL FOR DENTAL ALGINATE IMPRESSION MATERIAL - Provided is an aqueous composition containing alginic acid or a derivative thereof, the composition having a viscosity retained stably over a long period of time. The alginic acid-containing aqueous composition includes alginic acid or a derivative thereof (A), water (B), and a non-reducing sugar (C). Also provided are a dental alginate impression material and a base material for a dental alginate impression material each using the composition, in which the viscosity of the aqueous composition is stably maintained for a long period. | 02-07-2013 |
| 20120238658 | DENTAL ADHESIVE COMPOSITION - [Problems] To provide a liquid dental adhesive composition which contains a phosphoric acid-type compound having a hydrogenphosphoric diester group as an acidic group-containing polymerizable monomer and, further, contains polyvalent metal ions, effectively preventing not only the gelation but also the formation of precipitates (cloudiness) during the storage. | 09-20-2012 |
| 20120160718 | LIQUID MIXING CONTAINER - [Problems] To provide a two-liquid mixing container which prevents two liquids from being mixed together by erroneous operation and does not permit sheet-like contaminants from mixing into the mixed liquid. | 06-28-2012 |
| 20120121804 | METHOD FOR PRODUCING SILICA-ZIRCONIA COMPOSITE PARTICLES EACH COATED WITH SILICA LAYER - Disclosed is a method for producing silica-zirconia composite oxide particles each coated with a silica layer, which is characterized in that a liquid dispersion of silica-zirconia composite oxide particles is obtained by reacting an alkoxide of silicon and/or a condensable compound derived from the alkoxide with an alkoxide of zirconium and/or a condensable compound derived from the alkoxide in a water-containing solvent that contains acetonitrile so that the reaction liquid is to contain not less than 10% by mass of acetonitrile, and then the surface of each silica-zirconia composite oxide particle is coated with a silica layer by reacting the silica-zirconia composite oxide particles dispersed in the liquid dispersion with an alkoxide of silicon and/or a condensable compound derived from the alkoxide in the liquid dispersion of silica-zirconia composite oxide particles. | 05-17-2012 |
| 20120059079 | DUAL-CURE CURABLE MATERIAL KIT - A dual-cure curable material kit comprising: (A) a radical-polymerizable monomer component; (B) a photopolymerization initiator component comprising (b1) an α-diketone compound, (b2) an aliphatic tertiary amine compound having a tertiary amino group in which three saturated aliphatic groups are bonded to a nitrogen atom and one of the saturated aliphatic groups has an electron-withdrawing group as a substituent, and (b3) an s-triazine compound having a trihalomethyl group as a substituent, or a diaryliodonium salt compound; and a chemical polymerization initiator component (C) comprising (c1) an organic peroxide, and (c2) an N,N-di(hydroxyalkyl)-p-toluidine compound; which is packed separately at least in two packages so that the component (b2) and the component (b3) of the photopolymerization initiator component (B) are not packed together in a single package and the component (c1) and the component (c2) of the chemical polymerization initiator component (C) are not packed together in a single package. | 03-08-2012 |
| 20120006709 | CONTAINER - A container which is not bulky at the time of shipping and can be stably stood on a suitable place. The container includes a lid member for closing a take-out opening (brittle portion) of the container body | 01-12-2012 |
| 20110288195 | DENTAL FILLING/RESTORATION KIT - Provided is a filling/restoring material, including a photopolymerization initiator of a quaternary system formed by combining an α-diketone compound, an aliphatic amine compound, an aromatic amine compound, and a photoacid generator, in which even when the filling/restoring material is filled and cured on a cured layer of a dental adhesive material including a radical-polymerizable monomer having an acidic group, the filling/restoring material undergoes sufficient curing up to a contact interface between the filling/restoring material and the cured layer, thereby providing high adhesive strength stably. Also provided is a dental filling/restoration kit, including: a filling/restoring material including: a polymerizable monomer having no acidic group; a basic inorganic material; and a photopolymerization initiator formed by at least combining: an α-diketone compound; an aliphatic amine compound; an aromatic amine compound; and a photoacid generator; and an adhesive material, which is used for adhesion between a tooth and the filling/restoring material by curing the adhesive material before filling the filling/restoring material, the adhesive material including: a polymerizable monomer including a polymerizable monomer having an acidic group; and a polymerization initiator. | 11-24-2011 |
| 20110172323 | PHOTOPOLYMERIZABLE COMPOSITIONS - Disclosed are photopolymerizable compositions suitable for uses such as dental composite resins, and that comprise (A) a radical-polymerizable monomer, (B) a photopolymerization initiator that comprises (B1) an α-diketone compound, (B2) a photoacid generating agent, (B3) an aromatic amine compound, and (C) an organic filler containing a phthalate ester fluorescent agent. | 07-14-2011 |
| 20110098375 | DENTAL ADHESIVE COMPOSITION - [Problems] A dental adhesive composition containing an acid group-containing polymerizable monomer, that can be used as a dental adhesive material or a primer. The dental adhesive composition has excellent durability of adhesion exhibiting further improved adhering strength and durability of adhesion enabling teeth to be more strongly adhered to a composite resin or a prosthetic over extended periods of time. | 04-28-2011 |
| 20100304961 | DENTAL CHEMICAL POLYMERIZATION CATALYST AND DENTAL CURABLE COMPOSITION CONTAINING THE SAME CATALYST - [Problems to be Solved] To provide a dental chemical polymerization catalyst comprising, particularly, a combination of an aryl borate compound and an acid compound, and exhibiting not only excellent polymerizing activity but also storage stability.
| 12-02-2010 |
| 20100261144 | Dental Curable Composition - [Problems] To provide a chemical polymerization type curable composition which can achieve a very large strength of adhesion even without irradiated with light, and is used in the field of dental therapy. | 10-14-2010 |
| 20100216907 | ONE-PACKAGE TYPE TOOTH SURFACE COATING MATERIAL - [Problems] To provide a one-package type tooth surface coating material that is capable of forming, on the surface of a tooth, a cured film having not only a very high strength of adhesion to the tooth surface but also excellent properties such as long-term adhesion, long-term durability, dentinal tubule occlusion and aesthetic appearance, and that has excellent storage stability and can be stored in the form of one package. | 08-26-2010 |
| 20100216096 | DENTAL FILLING/RESTORATION KIT - Provided is a dental filling/restoration kit, in which a pretreatment material and a filling/restoring material can be cured by only one irradiation with light, which enables further improved adhesion between a tooth and the filling/restoring material, which prevents the filling/restoring material from being easily colored, to thereby exhibit its excellent sensuousness. Specifically provided is a dental filling/restoration kit which includes: a filling/restoring material (A) containing 100 parts by mass of a radical-polymerizable monomer (a) containing 3 to 30 parts by mass of a water-soluble radical-polymerizable monomer having no acidic group (a1), a photopolymerization initiator (b), and a filler (c), the filler (c) being contained in an amount of 80 to 2,000 parts by mass relative to 100 parts by mass of the radical-polymerizable monomer (a); and a pretreatment material (B) containing a radical-polymerizable monomer having an acidic group (d) and water (e). | 08-26-2010 |
| 20100184882 | ADHESIVE FOR TEETH-STRAIGHTENING MEMBERS - The present invention discloses an adhesive for orthodontic attachments, which contains (A) a polymerizable monomer, (B) a polymerization initiator and (C) a fluorescent dye and, when cured, exhibits a fluorescence spectrum having a peak at 400 to 800 nm. As the polymerization initiator (B), there is preferably used a compound which generates a radical through the transfer of hydrogen between two components, or a compound which generates a radical species through intramolecular cleavage. As the fluorescent dye (C), a coumarin type dye is used preferably. | 07-22-2010 |
| 20100120941 | ADHESIVE AGENT FOR ADHESION BETWEEN ALGINATE IMPRESSION MATERIAL FOR DENTAL APPLICATIONS AND IMPRESSION TRAY, AND KIT COMPRISING THE ADHESIVE AGENT - To improve an adhesive force of an adhesive agent between an impression material and a tray, and to stabilize the adhesive force therebetween, provided is an adhesive agent for the adhesion between an alginate impression material and an impression tray for dental applications, which includes a polyamine compound having two or more amino groups in a molecule and a solvent. | 05-13-2010 |
| 20090076189 | ONE-PACKAGE DENTAL ADHESIVE COMPOSITION - An adhesive composition comprising (A) a polymerizable monomer component containing not less than 5% by mass of an acidic group-containing polymerizable monomer, (B) a polyvalent metal ion-eluting filler, (C) a volatile organic solvent, and (D) water, wherein the polyvalent metal ion-eluting filler (B) is blended in such an amount that the amount of the polyvalent metal ions eluted out from the filler becomes 1.0 to 7.0 meq per gram of the polymerizable monomer component (A), the volatile organic solvent (C) is blended in an amount in a range of 30 to 150 parts by mass per 100 parts by mass of the polymerizable monomer component (A) and so as to satisfy 20·X parts by mass or more (X is a number representing the amount of elution of the polyvalent metal ions), and the water (D) is blended in an amount of 3 to 30 parts by mass per 100 parts by mass of the polymerizable monomer component (A). The composition maintains a large strength of adhesion to the teeth, can be preserved in the form of one package, and can be used as a material for pre-treating the teeth and as a dental adhesive. | 03-19-2009 |
| 20080293011 | Tissue Conditioner for Dental Use - A mucosal adjustment material comprising a combination of a powdery material (a) and a liquid material (b), characterized especially in that a noncrosslinked (meth)acrylic polymer powder having a Tg in the range of 0-60° C., e.g., polybutyl methacrylate, is used as the powdery material and a liquid polymer which has a mass-average molecular weight of 1,000-10,000 and in which the content of oligomers having a molecular weight of 500 or lower is 10 mass % or lower is used as the liquid material. Such powdery material and liquid material are kneaded together to prepare a paste, which is applied to a denture base and used as a temporary relining material. This mucosal adjustment material in a paste form is reduced in the amount of ingredients eluted from the material during use in the mouth. In an ordinary use period, the relining material retains its initial flexibility and does not deteriorate the denture base. | 11-27-2008 |
| 20080217190 | Container - A container which is not bulky at the time of shipping and can be stably stood on a suitable place. The container includes a lid member for closing a take-out opening (brittle portion) of the container body | 09-11-2008 |
