Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8080695 | Method of synthesizing higher-molecular alcohol The present invention provides a production method with which high molecular alcohols having an even number of carbon atoms such as 1-butanol, hexanol, octanol and decanol, and a mixture of these are efficiently collected through clean processes with the use of etha... | 12/20/2011 |
| 7250453 | Anti-bacterial composite particles and anti-bacterial resin composition Anti-bacterial composite particles which comprise a polymer base material comprising a thermal melting polymer, such as a polyolefine, exhibiting good dispersibility in a basic material resin and having a lower molecular weight or a lower softening point than that o... | 07/31/2007 |
| 5897881 | Hard tissue intactly dissolved materials and method for producing the same A hard tissue intactly dissolved material including original components of hard tissues in pure (non-denatured) form and a method for producing the material are disclosed. Ground hard tissues are mixed with an edible acid and dissolved under reduced press... | 04/27/1999 |
| 5780869 | Semiconductor integrated circuit means comprising conductive protein on insulating film of calcium phosphate A semiconductor circuit means having an electrode of a conductive protein, cytochrome C and/or mitochondria, which is attached to an insulating film of phosphate, especially calcium phosphate, deposited on a substrate of a silicon monocrystal. A small and... | 07/14/1998 |
| 5723401 | Catalyst for the contact conversion of lower aliphatic alcohols to gasoline hydrocarbons A catalyst for contact conversion of lower aliphatic alcohols such as methanol to form petroleum type hydrocarbons comprises one or more metals and/or metal ions supported on a phosphate carrier. Preferred metals include transition metals such as Ti, Ni, ... | 03/03/1998 |
| 5670827 | Protein-based semiconductor integrated circuit A semiconductor integrated circuit comprises a conductive protein electrode, such as cytochrome c, deposited on the surface of an apatite insulating layer such as hydroxyapatite, fluorinated apatite or chlorinated apatite. The apatite insulating layer is ... | 09/23/1997 |
| 5545791 | Method for the catalytic conversion of lower aliphatic alcohols to gasoline hydrocarbons A catalyst for the conversion of lower aliphatic alcohols such as methanol to form petroleum type hydrocarbons comprises one or more metals and/or metal ions supported on a phosphate carrier. Preferred metals include transition metals such as Ti, Ni, Cu, ... | 08/13/1996 |
| 5528833 | Scissors with ceramic coated replaceable cutting blades Scissors having a pair of blades that are pivotally connected to each other, each blade having a handle portion and a cutting portion detachably connected thereto. The cutting portion of each blade has a ceramic coating on a cutting edge thereof to increa... | 06/25/1996 |
| 5505546 | Split bearing and split bushing made of engineering plastics A bearing and a bushing each made of engineering plastics which are materials particularly excellent in chemical durability (e.g., chemical resistance) and each having split structure to remarkably facilitate the attachment or exchange of them. The split ... | 04/09/1996 |
| 5348577 | Antibacterial calcium tertiary phosphate A calcium tertiary phosphate is used as a carrier, and the carrier is caused to carry silver and zinc. The result is an antibacterial ceramic exhibiting an ultra high degree of whiteness and suppressed discoloration. This material may be heat fired at a t... | 09/20/1994 |
| 5324525 | Anti-adhesion agent to water borne organisms Disclosed is an agent for preventing the adhesion of water borne organisms, in which a calcium phosphate-based compound is made to carry, by adsorption and/or ion exchange, preferably not more than 15% by weight of at least one metal or metal ion selected... | 06/28/1994 |
| 5305916 | Drip free, volume-adjustable, automatic liquid dispenser In a pump, a piston rod is mounted for lost motion on a piston head so that when the piston rod 31 is advanced by a full stroke in a forward direction from a fully retracted position, only the piston rod moves for an initial stroke portion S2, then a pist... | 04/26/1994 |
| 5275545 | Vacuum cast molding apparatus A vacuum cast molding apparatus includes a plurality of vacuum chambers which can be brought into communication with each other, a plurality of depressurizing devices to evacuate each of the vacuum chambers respectively, a plurality of mixing and injectin... | 01/04/1994 |
| 5266534 | Antibacterial calcium phosphate ceramic A calcium phosphate ceramic such as hydroxyapatite or calcium tertiary phosphate or calcium carbonate is used as a carrier, and the carrier is caused to carry silicon in addition to silver, or silicon and zinc in addition to silver. The result is an antib... | 11/30/1993 |
| 5213801 | Contact lens material An antibacterial contact lens material comprising a hydrogel lens material and an antibacterial ceramic containing at least one metal selected from the group consisting of Ag, Cu and Zn. The lens material contains from 0.001-10.0% by weight of the antibac... | 05/25/1993 |
| 5151122 | Process for producing an antibacterial ceramic material An antibacterial ceramic material wherein at least one ceramic selected from the group consisting of hydroxyapatite, calcium phosphate, calcium hydrogen phosphate, calcium carbonate, calcium silicate and zeolite is made to absorb and tightly retain at lea... | 09/29/1992 |
| 5086563 | Scissors with replaceable cutting blades Scissors with replaceable cutting blades include a pair of handles to which cutting blades are detachable, the handles being pivotally connected to each other by a screw. Each handle has a longitudinally extending groove in which a shank of the correspond... | 02/11/1992 |
| 5009898 | Antimicrobial hydroxyapatite powders and methods for preparing them Antimicrobial hydroxyapatite powders containing hydroxyapatite powder and metal ions selected from silver, copper and zinc ions or one or more antimicrobial agents selected from hinokitiol, tannin, lysozyme, protamine and sorbic acid.... | 04/23/1991 |
| 4923683 | Compositions for preventing tooth decay A tooth-decay preventing composition containing hydroxy-apatite and a fluoride, wherein at least one of the hydroxy-apatite and/or fluoride is microencapsulated or coated.... | 05/08/1990 |
| 4691718 | Toothbrush A toothbrush includes a bristle portion having implanted bristles and molded from an ion eluting-type ceramic, a conductor extending into the interior of the bristle portion, and a battery to which the conductor is connected. An electric current flows fro... | 09/08/1987 |
| 4679671 | Band clamping device for luggage transportation A pair of bands (bands of both sides may be connected at bottom surface) are attached in inverted U-shape along both side surfaces (only one side will do if hand holding condition is not needed) of a large size bag and the like, and a cramping device of a... | 07/14/1987 |
| 4644441 | Discharge-type arrester A pair of main electrodes are airtightly attached to their corresponding end openings of an insulating cylinder so that their discharge surfaces are opposed to each other with a gap between them in the insulating cylinder. An intermediate electrode is air... | 02/17/1987 |
| 4628399 | Anti-overvoltage protector A pair of main electrodes are hermetically mounted, by fusion of a low melting point metal, onto both end openings of an insulative cylindrical member, respectively. Main electric discharge surfaces of the electrodes oppose each other in said cylindrical ... | 12/09/1986 |
| 4578733 | Surge voltage arrester A surge voltage arrester wherein a pair of main electrodes are respectively fitted in a gastight fashion to both open ends of a hollow cylindrical body formed of insulating material, wherein the discharge planes of the main electrodes are set opposite to ... | 03/25/1986 |
| 4504883 | Arrester holder apparatus for distributor of communication apparatus An arrester holder apparatus having a cassette type insulating support which is detachably mounted in a distributor of a communication apparatus and has a plurality of openings staggered about the longitudinal axis thereof. A plurality of contact members ... | 03/12/1985 |
| 4410831 | Overvoltage protecting element An overvoltage protecting element of the invention has a pair of main electrodes, the discharging surfaces of which oppose each other with a gap therebetween in a cylindrical body of an insulator, and a conductive member which is formed on the inner wall ... | 10/18/1983 |
| 4313147 | Protective device for communication system A communication system protective device usable for various types of electrical communication lines, said device comprising a compact and simple arrangement of jack boards and protectors whereby an overvoltage or overcurrent induced in an outside line is ... | 01/26/1982 |
| 4056753 | Overvoltage protecting element An overvoltage protecting element comprises a hollow cylinder of an insulating material, a pair of electrodes sealed to the opposite ends of the cylinder, and a pair of conductive layers disposed on the inner wall of the cylinder so as to be located oppos... | 11/01/1977 |
