...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6571023 | Image processing method using multiple images An image processing method using multiple images includes the steps of imaging multiple differently focused images Im (m=1, . . . , n); deriving an identical equation based on superposition models realized between the multiple differently focus... | 05/27/2003 |
| 6498098 | Method of forming embedded wiring in a groove in an insulating layer According to the present invention, a semiconductor device is fabricated by: forming an insulation layer on a substrate; forming a groove in the surface of the insulation layer; forming a diffusion protection layer on the surface of the insulation layer i... | 12/24/2002 |
| 6488948 | Anti-bacterial composition and use thereof for skin care and fabric treatment This invention relates to a water-based composition having at least one of ant-bacterial or anti-fungal properties and use thereof for skin care and for fabric treatment. The composition is not only effective as an anti-bacterial and/or anti-fungal materi... | 12/03/2002 |
| 6462115 | Water repellent coating composition, method for preparing the same, and coating films and coated articles using the same A water repellent coating composition includes fine particles having functional groups on their surfaces and having a particle diameter ranging from 10 nm to 1 mm; a coupling agent containing (a) a functional group which is capable of reacting with the fu... | 10/08/2002 |
| 6451493 | Electrophotographic photoconductor An electrophotographic photoconductor which is a positive charging, single layer type organic photoconductor including a conductive substrate; and a photosensitive layer which is provided on the conductive substrate, which is a positive charging, single l... | 09/17/2002 |
| 6417963 | Optical fiber splicing structure A tellurite glass as a glass material of optical fiber and optical waveguide has a composition of 0 | 07/09/2002 |
| 6372981 | Semiconductor substrate, solar cell using same, and fabrication methods thereof A group-IV semiconductor substrate has an inclined front surface, the inclination being toward a direction differing from the crystal lattice direction. The substrate is cleansed by heating in the presence of a gas including a compound of the group-I... | 04/16/2002 |
| 6336848 | Apparatus for polishing leads of a semiconductor package An apparatus for polishing leads of a semiconductor package includes a package holder unit on which a plurality of semiconductor packages are arranged; and a polishing member that automatically polished the leads of the semiconductor package on the packag... | 01/08/2002 |
| 6333942 | Atomic frequency standard laser pulse oscillator An ultra-stable microwave output with less jitter than a prior art atomic oscillator is obtained and an ultra-short optical pulse train is generated with a repetition frequency stabilized at the same level as a time standard. The repetition frequency of a... | 12/25/2001 |
| 6309554 | Method for producing needle diamond-type structure A method of producing a needle-like diamond structure including the steps of forming a layer of anodized alumina on a diamond substrate, the anodized alumina having a plurality of through holes; vapor-depositing a substance resistant to plasma etching by ... | 10/30/2001 |
| 6236496 | Optical fiber amplifier and optical amplification method An optical amplifier includes an erbium doped fiber of which at least one of a core part and a clad part is doped with erbium, excitation light sources or exciting the optical fiber, optical means for inputting excitation light from the excitation light s... | 05/22/2001 |
| 6229938 | WDM filter The present invention provides a wavelength division multiplexing filter that requires lower costs, a smaller size, and a smaller amount of fiber routing operations. According to the present invention, a first module constitutes a first filter. A second m... | 05/08/2001 |
| 6218341 | Process for the preparation of a high temperature superconductor A process for preparing a superconductor which is a low anisotropy, high temperature superconductor, includes providing a target in molded form comprised of one of the superconductor or constituent elements of the superconductor, the superconductor having... | 04/17/2001 |
| 6179935 | Solder alloys A solder alloy which is lead free, consists essentially of, in weight %: Sn; 0 | 01/30/2001 |
| 6166338 | Tubular switch and device for connecting the switch A tubular switch which is normally off, instantaneously turned on by external pressure, and has long detection distance. The tubular switch comprises a tubular hose member having insulating property and elasticity, and a plurality of flexible conductive m... | 12/26/2000 |
| 6165580 | Optical recording medium An optical recording medium includes a substrate having light transmission properties, which has laminated on a main surface thereof a recording layer and a metal reflection layer. The recording layer is made of a compounded organic dye thin film which co... | 12/26/2000 |
| 6127054 | Method of and apparatus for power generation Thermal decomposition of a reactant, XY, proceeds on a negative catalytic electrode to form products, X and Y. The product Y is a cellular reaction material, which separates into ions, Y+, and electrons, e-, on the negative catalytic... | 10/03/2000 |
| 6124388 | Water repellent composition, fluorocarbon polymer coating composition and coating film therefrom Fluorocarbon polymer coating composition and coating film include a fluorocarbon polymer powder, a binder and an additive comprised by a substance having a surface free energy smaller than that of the binder. The coating composition and coating film have ... | 09/26/2000 |
| 6117555 | Water repellent coating composition, and coated films and coated articles using the same A water repellent coating composition comprises a fluororesin powder having a specific surface area ranging from 27 to 48 m2 /g and a molecular weight ranging from 10,000 to 100,000; an acrylic-silicone binder resin; and a solvent. The fluorore... | 09/12/2000 |
| 6063467 | Optical recording medium An optical recording medium including a substrate which transmits light, which has a main surface, and which has a groove defined in the main surface; a recording layer formed on the main surface; and a metal reflection layer formed on the recording layer... | 05/16/2000 |
| 6048986 | Method for preparing aromatic compounds A method for preparing aromatic compounds including 1,4-difluoropyromellitic dianhydride represented by formula (12): ##STR1## and 1,4-difluoropyromellitic acid represented by formula (15): ##STR2## by dehydrating or hydrolyzing and dehydrating ... | 04/11/2000 |
| 6037089 | Electrophotographic photoconductor and method for producing same An electrophotographic photoconductor and method for producing same, the electrophotographic photoconductor including an electroconductive substrate; and a photosensitive film laminated on said electroconductive substrate, wherein the electroconductive su... | 03/14/2000 |
| 5935749 | Photoconductor for internal irradiation electrophotography A photoconductor for internal irradiation electrophotography includes a substrate which is hollow, cylindrical, and transparent, and which is composed of a synthetic resin; an electroconductive layer which is provided on an outer surface of the substrate ... | 08/10/1999 |
| 5935756 | Diazonium salt for thermosensitive recording medium A diazonium salt for a color-forming layer of a thermosensitive recording medium, having formula (1): ##STR1## wherein R is an alkyl group having four carbon atoms which is selected from the group consisting of n-butyl, t-butyl, and sec-butyl, and X | 08/10/1999 |
| 5919735 | High temperature superconductor A high temperature superconductor which has a layered crystal structure, which has a superconducting transition temperature, Tc, of 110 K or more, and which has a composition expressed by: Cu1-z M'z Ae2 Cax-1 Cu... | 07/06/1999 |
| 5869221 | Method of fabricating an LED array A method of fabricating an LED array includes forming a first insulating film composed of aluminum oxide on a semiconductor substrate of a first conductive type; patterning the first insulating film by photolithography to form a plurality of first windows... | 02/09/1999 |