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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7883817 | Method for producing gas diffusion electrode and method for producing polymer electrolyte fuel cell, and gas diffusion electrode and polymer electrolyte fuel cell The present invention provides a gas diffusion electrode capable of sufficiently preventing not only degradation of MEA during storage but also degradation of initial characteristics and durability during the time period from production to initial use, and a polymer... | 02/08/2011 |
| 7622215 | Composite electrolyte membrane, catalyst-coated membrane assembly, membrane-electrode assembly and polymer electrolyte fuel cell To provide a polymer electrolyte membrane having excellent size stability and excellent mechanical strength that can sufficiently prevent the size change due to the swelling condition, the displacement of the polymer electrolyte membrane and the formation of wrinkle... | 11/24/2009 |
| 7473486 | Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial characteristics and also exhibits sufficient cell performance for a long period of... | 01/06/2009 |
| 7459187 | Surface-treatment method and equipment An object of the present invention is to make it possible to uniformly supply of a gas onto a base material in a way simpler and lower in cost, and thus, to realize a high-quality surface treatment. For that purpose, in surface treatment of a base material (12 | 12/02/2008 |
| 7173094 | Moldings of fluororubbers and process for their production Moldings of fluoro rubbers produced by crosslinking a tetrafluoroethylene/propylene copolymer or a tetrafluoroethylene/propylene/vinylidene fluoride copolymer, which have metal contents of 1.5% by mass or below in terms of metal elements and are suitable for use app... | 02/06/2007 |
| 6777069 | Transparent film-coated substrate, coating liquid for transparent film formation, and display device The transparent film-coated substrate includes a substrate and a transparent coating film formed on the surface of the substrate, the transparent coating film comprising (i) a matrix containing a silicone having a fluorine-substituted alkyl group, and (ii) inorganic... | 08/17/2004 |
| 6514425 | Dry etching gas Disclosed is fluorocarbon-based dry etching gas which is free of global environmental problems and a dry etching method using a plasma gas obtained therefrom. The dry etching gas includes a fluorinated ether of carbon, fluorine, hydrogen and oxygen and ha... | 02/04/2003 |
| 5985949 | Product having reduced friction and improved abrasion resistance A product having reduced friction and improved abrasion resistance comprises a formed resin containing at least one fluorine-containing polymer which is exposed to an ionizing radiation. The formed resin may include from 1 to 100 weight percent of the flu... | 11/16/1999 |
| 5856337 | 2-arylquinolines and process for producing the same 2-Arylquinolines represented by formula (1): ##STR1## wherein R1, R3 to R9 each represents hydrogen, halogen, lower alkyl, cyclic lower alkyl, aryl, aralkyl, alkoxy or --Cm F2m+1 ; R2 ... | 01/05/1999 |
| 5831000 | Hybrid calcitonin The improved hybrid calcitonin has a peptide segment in human calcitonin and a peptide segment in calcitonin derived from animals other than humans, such as eel, salmon and chicken. Each of the human or human analog calcitonins and the calcitonins derived... | 11/03/1998 |
| 5780634 | Process for producing 2-(carboxyphenyl)-4-quinolinecarboxylic acid compounds Quinolin-2-yl benzoic acid compounds which are useful as intermediates of quinoline compounds having angiotensin II antagonist activity prepared by decarboxylating 2-(carboxyphenyl)-4-quinolinecarboxylic acid compounds in which a carboxyl group bonded to ... | 07/14/1998 |
| 5708413 | Head-up display apparatus Liquid crystal display 1 has a surface disposed in parallel with a surface of holographic concave mirror 2. Liquid crystal display 1 causes a revolution about a display center "d" of holographic concave mirror 2 in a back-and-forth direction as indicated ... | 01/13/1998 |
| 5582818 | Ultraviolet screening powder and cosmetics Herein disclosed are cosmetics having spherical silica containing an ultraviolet reflecting meterial surface-treated with platy N-lauroyl-L-lysine incorporated therein. According to the present invention, those cosmetics having spherical silica containing... | 12/10/1996 |
| 5478832 | Quinoline compounds A quinoline compound represented by the formula (1) or a salt thereof: ##STR1## wherein the definition of each substituents are described in the specification, which have angiotensin II antagonism and hypotensive action and are useful as an agent for... | 12/26/1995 |
| 5387684 | Isoindazole compound An isoindazole compound of the formula (1) or a salt thereof; a method for the production thereof; and pharmaceutical use of the compound and a salt thereof, particularly as an angiotensin II antagonist and as an agent for the prophylaxis and treatment of... | 02/07/1995 |
| 5181779 | Thermocouple temperature sensor and a method of measuring the temperature of molten iron A thermocouple temperature sensor employs a protecting tube made of metal-boride-based ceramics, and a platinum -rhodium-based thermocouple. To prevent a deterioration of the thermocouple due to a reducing gas generated in the protecting when used at a hi... | 01/26/1993 |
| 5087481 | Method for texturing a magnetic disk silicate glass substrate A glass disk is subjected to a chemical or gentle mechanical polishing step to remove microcracks or scratches in the disk surface prior to chemically texturing the disk. Thereafter, magnetic media is deposited onto the glass disk. We have discovered that... | 02/11/1992 |
| 5071982 | Process for producing a 4,6-bis(difluoromethoxy)-2-alkylthiopyrimidine A process for producing a 4,6-bis(difluoromethoxy)-2-alkylthiopyrimidine, which comprises reacting a 2-alkylthiobarbituric acid and monochlorodifluoromethane in the presence of a base in an inert solvent, wherein, for a first reaction, after charging a pa... | 12/10/1991 |
| 5041647 | Process for producing trifluoroacetic acid and trifluoroacetyl chloride A process for producing trifluoroacetic acid and trifluoroacetyl chloride from 1,1-dichloro-2,2,2-trifluoroethane, oxygen and water as starting materials, characterized in that the starting materials are reacted in a vapor phase in a reactor of perfect mi... | 08/20/1991 |
| 5035790 | Highly durable cathode with low hydrogen overvoltage and method for producing the same Highly durable cathodes with a low hydrogen overvoltage, which comprises an electrode core and electrode active metal particles provided on the core, wherein at least a part of the electrode active metal particles is made of a hydrogen absorbing alloy cap... | 07/30/1991 |
| 5032238 | Method of and apparatus for electropolishing and grinding A method of electropolishing and grinding the both surfaces of a circular workpiece comprises polishing and grinding the both surfaces of a circular workpiece with a pair of grindingstones which are so arranged as to oppose the polishing/grinding surfaces... | 07/16/1991 |
| 4994542 | Surgical adhesive Elastomeric or flexible surgical adhesives, comprising (i) a NCO-terminated hydrophilic urethane prepolymer derived from a fluorine-containing polyisocyanate and a hydrophilic polyether polyol of higher oxyethylene content, or a combinatioin of (i) with (... | 02/19/1991 |
| 4929372 | Lubricating oil compositions for chains A lubricating oil composition for chains which comprises (A) as the base oil, a polyol ester represented by the general formula ##STR1## wherein R1 is an alkyl group having 1 to 4 carbon atoms, R2 to R4 are each an alkyl ... | 05/29/1990 |
| 4594089 | Method of manufacturing glass A method for manufacturing glass by melting a batch of raw material in a melting chamber of a continuous glass-melting tank furnace, permitting the glass to flow through a rising passageway and a sill provided by the furnace to a separate refining chamber... | 06/10/1986 |
| 4584007 | Apparatus for manufacturing glass In order to conserve fuel in an apparatus for manufacturing glass, a continuous glass-melting tank furnace is provided with a melting compartment, a refining compartment, and a shadow arch between the compartments. The shadow arch is constituted by a cove... | 04/22/1986 |
| 4556511 | Flame resistant oil A flame resistant oil comprising a fluorine-type oil having a number average molecular weight of from about 300 to about 900 and a silicone oil having a number average molecular weight of from about 160 to about 57,000, wherein the fluorine-type oil and t... | 12/03/1985 |
| 4518470 | Ion exchange membrane cell and electrolytic process using thereof An electrolytic cell comprises an anode and a cathode which are partitioned by an ion exchange membrane having at least one roughened surface which contacts with or closes in a distance of up to 20 mm to a corresponding electrode.... | 05/21/1985 |
| 4317845 | One side surface molten metallic coating method and apparatus thereof One side surface of a continuous metal strip is continuously brought into contacted with a surface of a molten metal bath. The surface of the molten metal bath is flowed to the directions departing from both edges of the strip by a linear induction motor ... | 03/02/1982 |
| 4153804 | Process for producing fluorinated vinyl ether having ester group A fluorinated vinyl ether having an ester group which has the formula wherein n represents an integer of 1 to 5; m represents 0 or 1; Rf represents a C1 -C10 bifunctional perfluoro group and R represents an alkyl group, is produced by rea... | 05/08/1979 |
| 4149952 | Electrolytic cell A filter-press type electrolytic cell comprises alternatively arranging quadrilateral frames and ion-exchange membranes to form alternatively anolyte compartments and catholyte compartments under fastening the frames wherein said frame comprises hollow me... | 04/17/1979 |
| 4148982 | Thermal modification method for fluoroelastomers High molecular fluoroelastomers are thermally modified by heating the fluoroelastomer at its thermally degradable temperature in the presence of oxygen under maintaining elasticity. The modified fluoroelastomers have the improved adhesiveness and processa... | 04/10/1979 |
| 4065270 | Process for purifying sodium hydroxide An aqueous solution of sodium hydroxide containing soluble impurities such as a concentrated catholyte produced by a diaphragm electrolysis is cooled by a coolant or a heat-exchanger to form a slurry containing sodium hydroxide hydrate crystals and fine i... | 12/27/1977 |
| 4065366 | Process for producing alkali metal hydroxide In a process for producing an alkali metal hydroxide which comprises electrolysis of an aqueous solution of an alkali metal chloride in an electrolytic cell having an anode compartment and a cathode compartment which are partitioned by a fluorinated catio... | 12/27/1977 |
| 4034317 | Ultrasonic delay lines and method of making the same A multiple reflection type solid ultrasonic delay line which comprises a solid ultrasonic delay medium in the form of a thin flat plate having input and output transducers and reflection elements formed on the periphery thereof, and one or more arc groove... | 07/05/1977 |
| 4026863 | Fluorocarbon polymer composite containing a treated filler A fluorocarbon polymer composite comprises a fluorocarbon polymer and a filler in a form of powder, granules, beads, fiber, fabric sheet or a like which is treated with polyphenylene sulfide.... | 05/31/1977 |
| 4025565 | Process for preparing unsaturated aldehyde having three to four carbon atoms An unsaturated aldehyde having three to four carbon atoms is prepared by reacting the corresponding olefin with molecular oxygen in the vapor phase at a temperature of from 350° to 520° C in the presence of a metal oxide catalyst comprising the metallic... | 05/24/1977 |
| 4008843 | Apparatus for sealing tubes An apparatus is provided for automatically sealing insulation tubes comprising a turn table intermittently turned through a part of a revolution and having a plurality of tube holders disposed in a circle about its central axis, a friction wheel disposed ... | 02/22/1977 |
| 4008062 | Apparatus for detecting the position of float glass For accurately detecting the position of an edge of a glass ribbon in a process for manufacturing float glass, wherein the glass ribbon is moved forwardly along a longitudinal bath of molten metal, a radiation receiving edge of a radiation pyrometer is in... | 02/15/1977 |
| 4001309 | Method of preparing polyfluoroalkyl group containing compounds Polyfluoroalkyl group-containing compounds are prepared according to the following reaction: ##EQU1## wherein Rf represents perfluoroalkyl groups containing C1.sub.-23 carbon atoms, R, R' and R" represent hydrogen atoms or ... | 01/04/1977 |
| 4001384 | Process for recovery of oxides of sulfur from combustion waste gas A process for the recovery of oxides of sulfur from combustion waste gases, which comprises cooling said waste gases and forming entrained particles of sodium compounds, consisting essentially of sodium carbonate, by spray contact with sodium hydroxide or... | 01/04/1977 |
