Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 6626672 | Dental prosthesis and method An alloy and method is disclosed for forming an improved dental prosthesis. The invention relates to a dental material of a precious metal composition and a method for infiltrating one alloy with another to produce a substructure for ceramic prosthetic re... | 09/30/2003 |
| 6403212 | Moldable dental material composition A moldable dental material composition comprising high-fusing temperature metal particles, a volatile binder, preferably in a concentration of above at least twenty percent (20%) of the material composition, and finely divided carbonaceous particles, pref... | 06/11/2002 |
| 6110254 | Method for chemical precipitation of metallic silver powder via a two solution technique A method for the chemical precipitation of metallic silver powder employs a two solution technique in which a solution of a tin salt and a solution a silver salt are mixed in the presence of an inorganic or organic acid, alumina, an anionic surfactant, ... | 08/29/2000 |
| 5914185 | Moldable dental material composition A moldable dental material composition comprising high-fusing temperature metal particles, a volatile binder, preferably in a concentration of above at least twenty percent (20%) of the material composition, and finely divided carbonaceous particles, pref... | 06/22/1999 |
| 5773099 | Dental care material and manufacturing method A dental care material comprising a titanium sintered body has no harmful effects on the human body and easily produces products with complicated shapes having a high level of strength. A mixture of titanium powder and an organic binder is injection molde... | 06/30/1998 |
| 5332622 | Moldable dental material for forming or repairing a dental restoration A moldable dental composition for use in forming or repairing dental restorations composed of a mixture of high- and low-fusing temperature metal particles, finely divided carbonaceous particles, preferably of activated carbon, and a volatile binder in a ... | 07/26/1994 |
| 5318746 | Process for forming alloys in situ in absence of liquid-phase sintering Oxide-free metallic, alloy or intermetallic compound formed by coating a powder of at least one member selected from the group consisting of elemental metallic, alloy and intermetallic compound with an oxide-replacing metal. The oxide-free compound may be... | 06/07/1994 |
| 4892582 | Dental filling-material and method for its preparation A dental-filling material with hardnesses exceeding 100 HV for gold-condensation is prepared from a gold-alloy powder of which the alloying components are metals resulting in hardening gold alloys and which are simultaneously soluble in nitric acid. A rou... | 01/09/1990 |
| 4859240 | Dental amalgam alloy The present invention relates to a dental amalgam alloy comprising by weight, as alloying ingredients, from about 30 to 70% silver, from about 20 to 35% tin, from about 10 to 30% cooper, from 0 to about 5% indium, from 0 to about 1% zinc and from about 0.... | 08/22/1989 |
| 4702765 | Method of making selenium-containing amalgam alloys for dental restoration Selenium-containing amalgam alloys for dental restoration comprises 0.1-50% by weight of any one of the following alloy powders (A), (B) and (C) mixed with 50-99.9% by weight of the following amalgam alloy powders (D). (A): Silver alloy powders containing no l... | 10/27/1987 |
| 4664855 | Method for producing amalgamable alloy A process for manufacturing an atomized amalgamable alloy having mold adaptation characteristics superior to other atomized alloys and comparable or better than those for ad-mixed type alloys (alloys which are mixtures of spherical and irregularly shaped ... | 05/12/1987 |
| 4479823 | Process for the production of silver-tin master alloys for dental amalgams A silver-tin-copper master alloy powder useful as a dental filling when amalgamated with mercury and having improved properties for that utility can be obtained by the steps of: (a) pulverizing an alloy containing silver, tin and copper into a first spher... | 10/30/1984 |
| 4453977 | Low silver containing dental amalgam alloys Conventional or non-conventional dental amalgam alloys in the form of lathe-cut, spherical shaped or irregular shaped particles of silver, tin, copper and zinc are improved by adding to the alloys at least one compound selected from Cu6 Sn... | 06/12/1984 |
| 4273580 | Reinforced jacket crown and method of construction The reinforced jacket crown of the present invention comprises an inner structure including a thin metal foil of platinum conforming in shape to the tooth preparation to be restored, at least one fired on coating of a composition of finely divided particl... | 06/16/1981 |
| 4264354 | Method of making spherical dental alloy powders A dental alloy powder containing silver, tin and copper and, optionally, other alloying metals which has been rendered spherical by a heat treatment to melt at least a surface stratum of the particles of the alloy, followed by cooling.... | 04/28/1981 |
| 4255192 | Homogenous bonding of dispersed phase alloy Dispersed phase dental alloy made by mechanically blending mixtures of lathe cut dental amalgam alloy particles and spheroidal silver-copper alloy particles has superior properties as an amalgam when a mechanical blend of the mixture of alloy particles is... | 03/10/1981 |
| 4235631 | Corrosion-resistant dental alloy having improved handling characteristics A corrosion-resistant dental alloy shows improved handling characteristics during the filling of a dental cavity with an amalgam of the alloy. The alloy particles comprise a mixture of silver, tin and copper particles having a mean particle size of betwee... | 11/25/1980 |
| 4234339 | Corrosion-resistant dental alloy A corrosion-resistant dental alloy is disclosed which has improved handling characteristics during the filling of a dental cavity. The alloy is a substantially uniform blend of three types of particles having the same chemical components, but differing in... | 11/18/1980 |
| 4164419 | Powdered alloy for dental amalgam A dental alloy capable of combination with mercury to form a dental amalgam comprising by weight 20% and above silver, 20 to 50% tin, 9.5 to 50% copper, and 0.5% and above indium.... | 08/14/1979 |
| 4080199 | Lathe cut dental alloy powder A new dental alloy powder comprising lathe cut, homogeneous particles having a composition of 35 to 50 percent silver, 20 to 30 percent copper and 25 to 35 percent tin.... | 03/21/1978 |
| 4030918 | Indium containing dental alloy powder A new dental alloy powder comprising homogeneous particles having a composition of 35 to 50 percent silver, 20 to 30 percent copper, 25 to 35 percent tin and 2 to 8 percent indium.... | 06/21/1977 |
| 3997330 | Dental amalgams An improved dental composition comprises an admixture in specified proportions of two powdered alloys of specified composition, one in the form of spheres, the other in the form of irregularly-shaped particles such as flakes. When the admixture is amalgam... | 12/14/1976 |
| 3980472 | Dental amalgam An improved metal powder blend and improved dental amalgams produced therefrom comprising a mechanical mixture containing controlled proportions of an amalgamatable silver-base alloy powder and a substantially non-amalgamatable eutectic alloy powder conta... | 09/14/1976 |
