| STELLA CHEMIFA CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120082608 | METHOD FOR PRODUCING TETRAFLUOROBORATE - An object of the invention is to provide a tetrafluoroborate producing method that allows high-yield, high-efficiency production of a tetrafluoroborate by a continuous process, a tetrafluoroborate-containing electrolyte, and an electrical storage device including such an electrolyte. The invention provides a method for producing a tetrafluoroborate, which includes: a first step including dissolving boron trifluoride gas in an organic solvent; a second step including adding, to the organic solvent, a fluoride (MF | 04-05-2012 |
| 20120070669 | METHOD FOR PRODUCING MULTILAYER FILM - An object of the invention is to provide a method for producing a laminated film comprising at least two resin films bonded together, which is capable of increasing the adhesiveness of the bonding surface and forming a laminated film with high reliability. The method for producing a laminated film according to the invention comprising at least two resin films laminated together, which comprises: a fluorination treatment step comprising bringing a fluorine and oxygen atoms-containing treatment gas into contact with at least a partial region of the surface of at least one of the two resin films to increase the adhesiveness of the region; and a bonding step comprising bonding the two resin films together using, as a bonding surface, the surface that has been brought into contact with the treatment gas. | 03-22-2012 |
| 20120065116 | CLEANING LIQUID AND CLEANING METHOD - Disclosed is a cleaning liquid which is capable of cleaning an object to be cleaned, to the surface of which cerium oxide adheres, by dissolving and removing cerium oxide in the form of cerium ions. A cleaning method using the cleaning liquid is also disclosed. The cleaning liquid for removing cerium oxide is characterized by containing hydrogen fluoride, at least one acid selected from the group consisting of hydrochloric acid, nitric acid, sulfuric acid, acetic acid, phosphoric acid, iodic acid and hydrobromic acid, and water. The cleaning liquid is also characterized by dissolving and removing cerium oxide in the form of cerium ions. | 03-15-2012 |
| 20120056126 | FINE-PROCESSING AGENT AND FINE-PROCESSING METHOD - Provided is a fine-processing agent which, when fine-processing a laminated film stacked at least with a silicon dioxide film and a silicon nitride film, can selectively fine-process the silicon dioxide film. Also provided is a fine-processing method utilizing the fine-processing agent. The fine-processing agent is characterized by including: (a) 0.01-15.0 weight % hydrogen fluoride and/or 0.1-40.0 weight % ammonium fluoride, (b) water, and (c) 0.001-10.00 weight % water-soluble polymer selected from among a group consisting of acrylic acid, ammonium acrylate, acrylic acid ester, acrylamide, styrenesulfonic acid, ammonium styrenesulfonate, and styrenesulfonic acid ester. | 03-08-2012 |
| 20120021195 | OPTICAL MEMBER AND PROCESS FOR PRODUCING SAME - An optical member produced from a ceramic in which transparency in each wavelength region can be selectively improved, and a process for producing the optical member. The optical member is obtained by bringing a treatment gas comprising a fluorine atom into contact with an optical material comprising a specific ceramic under conditions according to the specific ceramic to thereby from a fluorinated film capable of improving the transmittance of light having wavelengths in a specific region, on at least some of the surface of the optical material. | 01-26-2012 |
| 20110311426 | PROCESS FOR THE PREPARATION OF FLUORINE COMPOUND - An object of the invention is to provide a process for preparing a fluorine compound, which can easily give the objective fluorine compound using an oxygen-containing compound as a raw material without forming water as impurities as a by-product. The process for preparing a fluorine compound according to the invention includes reacting an oxygen-containing compound, which is at least one kind selected from the group consisting of oxides, hydroxides, hydrates, carbonic acid compounds, hydrogencarbonic acid compounds, boric acid compounds, sulfuric acid compounds, sulfurous acid compounds, phosphorous acid compounds and phosphoric acid compounds of at least any one kind selected from the group consisting of metal elements, H, B, C, N, Si, P, S, As, Se, Te and halogens, at least with carbonyl fluoride to form at least a fluorine compound and carbon dioxide without forming water as a by-product. | 12-22-2011 |
| 20110286905 | PROCESSES FOR PRODUCING PHOSPHORUS TETRAFLUORIDE AND PHOSPHATE HEXAFLUORIDE - An object the invention is to provide a phosphorus pentafluoride producing process wherein phosphorus pentafluoride is separated/extracted from a pentavalent phosphorus compound or a solution thereof, or a composition obtained by allowing the pentavalent phosphorus compound or the solution thereof to react with hydrogen fluoride, thereby producing phosphorus pentafluoride; and a phosphate hexafluoride producing process wherein the resultant phosphorus pentafluoride is used as raw material to produce a phosphate hexafluoride high in purity. The present invention relates to a process for producing phosphorus pentafluoride, wherein a carrier gas is brought into contact with either of the following one: a pentavalent phosphorus compound, a solution thereof, or a solution in which a composition obtained by allowing the pentavalent phosphorus compound or the solution thereof to react with hydrogen fluoride is dissolved, thereby a phosphorus pentafluoride is extracted into the career gas. | 11-24-2011 |
| 20110253945 | DISPERSION OF CARBON MATERIAL AND PROCESS FOR PRODUCING SAME - The invention is directed to a carbon material dispersion, including: a fluorinated carbon material having a fluorinated surface formed by bringing a treatment gas with a fluorine concentration of 0.01 to 100 vol % into contact with a carbon material under conditions at 150 to 600° C.; and a dispersion medium in which the fluorinated carbon material is dispersed. | 10-20-2011 |
| 20110189538 | PROCESSES FOR PRODUCTION OF PHOSPHORUS PENTAFLUORIDE AND HEXAFLUOROPHOSPHATES - A method of manufacturing phosphorus pentafluoride and hexafluorophosphate can suppress the manufacturing cost and also can manufacture high-quality phosphorus pentafluoride from an inexpensive and low-quality raw material. The raw material for the method can include at least a phosphorus atom and a fluorine atom. These are brought into contact with a carrier gas, and a phosphorus pentafluoride is extracted and separated into the carrier gas. A method of manufacturing hexafluorophosphate includes reacting fluoride with the resulting phosphorus pentafluoride according to the following chemical reaction scheme: sPF | 08-04-2011 |
| 20110135555 | PROCESS FOR PRODUCING FLUORIDE GAS - Disclosed is a process for producing a fluoride gas that can produces fluoride gases such as BF | 06-09-2011 |
| 20110111288 | PRODUCTION PROCESS OF DIFLUOROPHOSPHATE, NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS ELECTROLYTIC SECONDARY BATTERY - To provide a technique for simply and easily producing a high-purity difluorophosphate and provide a production process of an electrolytic solution using the obtained difluorophosphate, an electrolytic solution and a secondary battery. | 05-12-2011 |
| 20110097626 | PROCESS FOR PRODUCTION HEXAFLUOROPHOSPHATES - An object is to provide a method of manufacturing a hexafluorophosphate, that can simply and easily manufacture an inexpensive and high-quality hexafluorophosphate while suppressing the manufacturing cost, an electrolytic solution containing a hexafluorophosphate, and an electricity storage device including the electrolytic solution. The present invention relates to a method of manufacturing a hexafluorophosphate, which comprises reacting at least a phosphorus compound with a fluoride represented by MF | 04-28-2011 |
| 20110086230 | METHOD FOR MODIFYING FLUORING RESIN FILM - A simple short-time method for modifying a fluorine resin film so that hydrophilicity is not likely to deteriorate over time. The method for modifying a fluorine resin film is characterized in that the surface of the fluorine resin film is provided with hydrophilicity by bringing the fluorine resin film into contact with a process gas, which contains gas containing fluorine atoms and at least one of gas containing oxygen atoms or inert gas. | 04-14-2011 |
| 20110000423 | Method for producing fluoride crystal - Provided is an apparatus capable of producing a fluoride crystal in a very short period of time, and a method suitable for producing a fluoride crystal using the apparatus. The apparatus comprises a chamber, a window material, and the like, and is modified such that it can evacuate air from the chamber to provide a high degree vacuum there. The apparatus further includes a crucible, which has a perforation at its bottom. The capillary portion of the perforation is adjusted to facilitate the contact of a seed crystal with a melt. By using the apparatus it is possible to stably produce high quality single crystals of fluorides in a short period of time. | 01-06-2011 |
| 20100322838 | METHOD OF MANUFACTURING PHOSPHOROUS PENTAFLUORIDE AND HEXAFLUOROPHOSPHATE - A process for phosphorus pentafluoride production by which high-purity phosphorus pentafluoride can be produced by a simple and economical procedure without the need of a large-scale purification apparatus or high-pressure apparatus and without generating a large amount of a by-product gas requiring a special discharge-gas treatment. The process for phosphorus pentafluoride production is characterized by introducing hydrogen fluoride and a hexafluorophosphate (MPF | 12-23-2010 |
| 20100317511 | MANUFACTURING METHOD OF HEXAFLUOROPHOSPHATE - In the manufacturing method of hexafluorophosphate (MPF | 12-16-2010 |
| 20100196645 | METHOD FOR PRODUCING HOLLOW STRUCTUAL BODY - It is intended to provide a method of producing a hollow construct, which may be in various shapes such as a fiber or a film as well as in various sizes and has chemical resistance, made of a fluorinated hydrocarbon polymer, a fluorinated carbon polymer or a polymer carrying a nitrogen-containing group, a silicon-containing group, an oxygen-containing group, a phosphorus-containing group or a sulfur-containing group having been introduced into the above-described polymer; and a hollow construct obtained by this method. The method of producing a hollow construct as described above is characterized by comprising the fluorination step wherein a construct made of a hydrocarbon polymer or a polymer carrying a nitrogen-containing group, a silicon-containing group, an oxygen-containing group, a phosphorus-containing group or a sulfur-containing group having been introduced into the above-described polymer is brought into contact with a treating gas containing fluorine under definite conditions and thus the treating gas is allowed to penetrate from the outer surface of the construct toward the inside thereof to thereby fluorinate the construct excluding the core part, and the removal step wherein the core part having been not fluorinated as described above is removed. | 08-05-2010 |
| 20100099931 | PROCESS FOR PURIFYING A FLUORINE COMPOUND - Provided is a process for purifying a fluorine compound capable of yielding a highly pure fluorine compound by removing at least oxygen from a fluorine compound containing an oxygen compound as an impurity. In a process according to the present invention for purifying a fluorine compound, the following is brought into contact with the fluorine compound, which contains an oxygen compound as an impurity, thereby removing at least oxygen: carbonyl fluoride in an amount of a 0.1-fold equivalent or more and a 100-fold equivalent or less of oxygen atoms in the fluorine compound. | 04-22-2010 |
| 20100099030 | ELECTRIC STORAGE ELEMENT - Disclosed is an electrical storage device having excellent safety and high battery capacity. Specifically disclosed is an electrical storage device comprising at least a positive electrode having a positive electrode active material layer and a positive electrode collector, a negative electrode having a negative electrode active material layer and a negative electrode collector, a separator and an organic electrolyte solution. This electrical storage device is characterized in that the negative electrode active material layer is composed of a metal complex oxide which absorbs and desorbs lithium ions, the positive electrode active material layer contains a carbonaceous material having a layered crystal structure, and the interlayer distance d | 04-22-2010 |
| 20090317920 | HAPTEN COMPOUND AND ANTIBODY - The present invention is a compound having a structure represented by the following formula (1): | 12-24-2009 |
| 20090274606 | PROCESS FOR PRODUCTION OF SILICON TETRAFLUORIDE, AND APPARATUS FOR THE PROCESS - Disclosed is a process for production of silicon tetrafluoride which can reduce the cost for the silicon tetrafluoride production and can also reduce the quantities of waste products produced in the process. Also disclosed is an apparatus for use for the process. The method comprises the steps of: (a) a high-silica fluorosilicic acid production step in which a raw material ( | 11-05-2009 |
| 20090274604 | Production Method of High Purity Silver Tetrafluoroborate - A production method of high purity silver tetrafluoroborate, capable of producing silver tetrafluoroborate (AgBF | 11-05-2009 |
| 20090169789 | Resin pipe - A resin pipe has an inner layer made of a fluororesin, an intermediate layer of nylon, and an outermost layer made of a fluororesin and covering the intermediate layer. | 07-02-2009 |
| 20090136810 | Fuel Cell - The invention aims at providing a platinum black material, without using an expensive and rare material, which is excellent in CO poisoning inhibiting effect, H | 05-28-2009 |
| 20090136407 | ISOTOPE ENRICHEMENT METHOD - An isotope enrichment method comprising the step of performing the isotope exchange between an aqueous solution containing at least two components each represented by the formula: H | 05-28-2009 |
| 20080312130 | DRUG DELIVERY VEHICLE FOR CANCER THERAPY, PROCESS FOR PRODUCING THE SAME, AND PHARMACEUTICAL PREPARATION USING THE SAME - The invention provides a vehicle that can deliver drugs specifically to the body and a pharmaceutical preparation using the same. Disclosed is a drug delivery vehicle for cancer therapy, comprising a cationized viral envelope vector, as well as a pharmaceutical preparation comprising a drug enclosed in the vehicle. The viral envelope vector is for example HVJ-E derived from a Sendai virus, and cationization can be conducted by binding hyaluronic acid-introduced cationized gelatin or ethylene glycol-introduced cationized gelatin with the viral envelope vector. The drug to be enclosed is a nucleic acid, a vector containing a nucleic acid sequence, a protein based drug or pharmaceutical with a low-molecular compound. | 12-18-2008 |
