Bizarre Patents
An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5298200 | Dental refractory model materials A dental refractory model material comprises as powdery components 5 to 20% by weight of a soluble phosphate, 5 to 20% by weight of magnesium oxide and 10 to 50% by weight of at least one selected from the group of alumina, zirconia, fused quartz, mullite... | 03/29/1994 |
| 5250584 | Periodontium-regenerative materials A periodontium-regenerating material for the regenerative treatment of the periodontium consists of bio-degradable/absorable copolymers of lactide/&3xb5;-caprolactone or lactide/glycolide having a weight-average molecular weight of 40,000 to 500,000 as we... | 10/05/1993 |
| 5234971 | Odontotherapeutical materials An odontotherapeutical material is based on two liquids A and B containing materials capable of forming difficult-to-dissolve precipitations immediately by mixing. The liquids A and B are successively applied on the affected region.... | 08/10/1993 |
| 5120460 | Dental cleaner materials A dental cleaner material comprises as a main component an aqueous solution containing 0.1 to 2.0% by weight of ethylenediaminetetraacetic acid or at least one of its alkali metal salts. The cleaner material is gelled by the addition of a carboxyvinyl pol... | 06/09/1992 |
| 5116222 | Low-dusting powdery alginate impression materials for dental purposes A low-dusting powdery alginate impression material for dental purposes comprises (a) an alginate, (b) a gelation agent, (c) a gelation controlling agent, (d) a filler, (e) at least one of an oxide, hydroxide and fluoride of a metal and (f) lanolin with or... | 05/26/1992 |
| 5106301 | Method for inspecting the root canal with a radiopaque impression material A method for inspecting the root canal comprising using a room temperature-setting, rubbery and elastic impression material, typically a silicon impression material and 20.0 to 75.0% by weight of a radiopaque substance contained therein, which shows a sol... | 04/21/1992 |
| 5076467 | Dental washer A dental washer includes a heating vessel for heating a washing liquid by an electrical heater to generate superheated steam, so electromagnetic pump on a water supply pipe communicating with the heating vessel and a water source, an electromagnetic valve... | 12/31/1991 |
| 5075107 | Denture plate adhesive soft liner or gelling tissue conditioner A dental composition comprises a powdery component and a liquid component, which are mixed together to use it as a tissue condition, (a) the powdery component is at least one of a copolymer of butyl methacrylate with ethyl methacrylate or a mixture of pol... | 12/24/1991 |
| 5064731 | Dental prostheses A dental prosthesis comprises an inner layer portion and an outer layer portion. The outer layer portion is a dental porcelain material, while the inner layer portion is a sintered product which, after sintering, is composed of: (i) 40 to 95% by weight of... | 11/12/1991 |
| 5063257 | Dental glass ionomer cement compositions A dental glass ionomer cement composition comprises: (a) 5 to 100 parts by weight of a polymer of an -ଲ unsaturated carboxylic acid having a weight average molecular weight of 5,000 to 40,000, (b) 5 to 100 parts by weight of a fluoroaluminosilicat... | 11/05/1991 |
| 5061411 | Method for making dental root canal filling points A method for making a dental root canal filling point wherein provision is made of a rotary member having its outer processing surface in the form of a curved plane in parallel with its axial direction and adapted to be rotated at a predetermined speed, a... | 10/29/1991 |
| 5051476 | Mouth guard compositions An improved mouth guard composition comprises an ethylene/vinyl acetate copolymer and a thermoplastic polycarprolactone having a molecuar weight of 10,000-100,000, optionally with polyvinyl acetate, colorants and perfumes.... | 09/24/1991 |
| 5051130 | Filling compositions for dental temporary sealing A filling composition for dental temporary sealing comprises a component A defined by a puttied base agent composition wherein a base agent containing a water-insoluble liquid acidic phosphate and/or a water-insoluble organic carboxylic acid that is liqui... | 09/24/1991 |
| 5043361 | Compositions for dental restoration A combined chemical-/light-polymerization type composition for dental restoration consists of a formulation A composed main of a. an ethylenically polymerizable unsaturated compound, b. a photo-polymerization initiator and c. a reducing agent, and a formu... | 08/27/1991 |
| 5028228 | Apparatus for making dental root canal filling points An apparatus for making a dental root canal filling point is provided, wherein provision is made of a rotary member having its outer processing surface in the form of a curved plane in parallel with its axial direction and adapted to be rotated at a prede... | 07/02/1991 |
| 5026283 | Capsules for tooth-restoring materials A capsule for a tooth-restoring material includes a cylinder containing therein the predetermined amount of a powder component of the tooth-restoring material and fitted at its rear end with an extruding plunger; a breakable package held in front of an ex... | 06/25/1991 |
| 4985198 | Tooth-adhesive compounds A tooth-adhesive compound is expressed in terms of the following general formula: ##STR1## wherein R1 is a hydrogen atom or a methyl group, and R2 may or may not be present; and if present, R2 is an alkylene group hav... | 01/15/1991 |
| 4970245 | Dental heat-curing silicone compositions A dental heat-curing silicone composition comprising components A and B obtained by adding inorganic fillers, and if required coloring agents an conventional additives to ingredient of an organopolysiloxane having at least two vinyl groups per molecule, a... | 11/13/1990 |
| 4959220 | Antiseptic-containing alginate impression material An antiseptic-containing alginate impression material contains 0.01 to 7 parts by weight of an antiseptic such as glutaraldehyde and chlorohexydine gluconate per 100 parts by weight of a cured product of an alginate impression material. The antiseptic may... | 09/25/1990 |
| 4941828 | Dental chuckless handpiece A dental chuckless handpiece of the compressed air drive type includes a body having a head in which bearings are attached to the upper and lower portions of a shaft provided with a turbine impeller, and a rotary member fixedly provided to the lower end o... | 07/17/1990 |
| 4921424 | Dental handpiece A detachable head having therein an air turbine and connecting pipes extending sideways therefrom and a synthetic resin grip provided at its end with a connecting portion having connecting holes into which the connecting pipes of the head are inserted, th... | 05/01/1990 |
| 4911759 | Dental gypsum compositions in low-dusting powdery form A dental gypsum composition in the low-dusting powdery form contains (a) hemihydrate gypsum, (b) a setting controlled agent comprising one or more of setting accelerators, setting retarders and setting expansion inhibitors, (c) one or more wetting agents ... | 03/27/1990 |
| 4909847 | Dental investment compositions in low-dusting powdery form A dental investement composition in the low-dusting powdery form contains (a) a mixture of a soluble phosphate with magnesium oxide or hemihydrate gypsum as a binder, (b) quartz and/or christobalite as a refractory material, (c) one or more wetting agents... | 03/20/1990 |
| 4904448 | Patch test materials for the detection of metal allergies A patch test material for the detection of metal allergies which contains a dental metal, noble or base, with which an allergic reaction aid such as a biological high molecular weight compound, e.g., a protein is present.... | 02/27/1990 |
| 4900697 | Glass powders for dental glass ionomer cements A fluoroaluminosilicate glass powder for dental glass ionomer cements has a specific gravity of 2.4 to 3.5 and a mean particle size of 0.02 to 10 μm, contains in its components 20 to 50% by weight of SiO2, 20 to 40% by weight of Al2... | 02/13/1990 |
| 4897772 | Dental astral lamp A dental astral lamp using a tungsten halogen lamp as a light source is detachably provided on its light emanating plane with a color temperature transducing filter serving to reduce a luminous intensity at its focal position to a range of 1,500 to 4,500 ... | 01/30/1990 |
| 4873269 | Resinous compositions for denture base A resinous composition for denture base, having improved performance suitable for microwave curing comprises (i) a powdery component containing as the main constituents a methacrylate ester polymer having a mean particle size of 50 to 120 microns, a barbi... | 10/10/1989 |
| 4851146 | Phosphonic acid derivative based agents for cleaning and dissolving tartar of removable oral prostheses An agent for cleaning and dissolving tartar or removable oral prostheses comprises a solution of a phosphonic acid base chelating agent or agents as the active agents in water, the phosphonic acid base chelating agent or agents being selected from the gro... | 07/25/1989 |
| 4843110 | Light curing compositions for dental restoration A light curing composition for dental restoration comprises (a) a polymerizable compound containing at least one ethylenically unsaturated double-bond, (b) at least one photo-polymerization initiator selected from ketal base compounds defined hereinafter,... | 06/27/1989 |
| 4838789 | Material packs for preparing plate dentures A material pack for the preparation of plate dentures comprises an outer pack formed of a material capable of shielding active energy beams, on which the necessary particulars are specified including the size and form of the jaws, the size, form and color... | 06/13/1989 |
| 4834655 | Cutting tools A cutting tool include a shank having a head, a groove which is formed on the outer face portion of the head only in the dextrally spiral form, and hard abrasive grains-attached section formed on the outer face portion of the head except for the groove. T... | 05/30/1989 |
| 4826893 | Dental resin composition A dental resin composition comprising (a) a siloxane polymer obtained by polymerizing an oligomer comprising (I) a silane compound containing therein an ethyleneically unsaturated group having bonded thereto (II) a silane compound containing therein a phe... | 05/02/1989 |
| 4820387 | Method and apparatus for making the inner crowns of composite-layered crowns for restoring crowns In a method and apparatus for making an inner crown of a composite-layered crown for the restoration of crowns, said inner crown being composed mainly of a noble metal, an electrically conductive coating material undissolvable in a plating bath is applied... | 04/11/1989 |
| 4820744 | Compositions for dental restoration A combined chemical-light-polymerization type composition for dental restoration consists of a formulation A composed mainly of a. an ethylenically polymerizable unsaturated compound, b. a photopolymerization initiator and c. a reducing agent, and a formu... | 04/11/1989 |
| 4814011 | Investments for dental casting An investment for dental casting comprises a mixture of at least one refractory selected from alumina, zirconia, magnesia clinker, quartz, cristobalite and fused quartz with either a mixture of a soluble phosphate with magnesium oxide or hemi-hydrate gyps... | 03/21/1989 |
| 4804690 | Light curing compositions for dental restoration A light curing composition for dental restoration comprises (a) a polymerizable compound containing at least one ethylenically unsaturated double-bond, (b) at least one photo-polymerization initiator selected from ketal base compound as defined herein, (c... | 02/14/1989 |
| 4778832 | Dental precise impression materials comprising silicone A dental precise impression material comprises condensation or addition type room temperature-vulcanizing silicone, and further contains 0.1 to 10.0 weight % of at least one protein soluble or slightly soluble in water optionally with 0.05 to 5.0 weight %... | 10/18/1988 |
| 4775592 | Fluoroaluminosilicate glass powder for dental glass ionomer cement A fluoroaluminosilicate glass powder for dental glass ionomer cement, a surface of which is treated with a fluoride in an amount of from 0.01 to 5 parts by weight based on 100 parts by weight of the glass powder, is disclosed. The fluoroaluminosilicate gl... | 10/04/1988 |
| 4773186 | Portable polishing units for dental instruments A portable polishing unit for dental instruments is characterized by comprising a base member; a motor mounted thereon and driven by a dry cell; a rotary grindstone assembly fixed to the motor through a grindstone rod of a round shape and including a grin... | 09/27/1988 |
| 4773933 | Zinc oxide eugenol cement compositions for dental purposes A dental zinc oxide eugenol cement composition which is used in dentistry as the temporary sealing material having a anodyne, sedative and antiphlogistic effect upon oral disease and the temporary cementing material for restorations comprising in combinat... | 09/27/1988 |
