Patents Assigned to Tonen Corporation
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Patent number: 6576584Abstract: A method for producing a hydrotreating catalyst which relates to the production of a solid catalyst composed of a carrier impregnated with an active component, to give a catalyst for hydrotreating hydrocarbon oils, which contains a large quantity of a hydrogenation-active component and uniform, crystalline composite metal compound, and shows high catalytic activity.Type: GrantFiled: August 31, 2000Date of Patent: June 10, 2003Assignee: Tonen CorporationInventors: Masahiko Iijima, Takao Hashimoto, Yoshinobu Okayasu, Takeshi Isoda
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Publication number: 20030055215Abstract: A bovine- or human-derived calcium-binding protein with a prescribed amino acid sequence, a method for its production, and antibodies against the protein and uses thereof.Type: ApplicationFiled: July 20, 2001Publication date: March 20, 2003Applicant: TONEN CORPORATIONInventors: Jiro Hitomi, Ken Yamaguchi, Tokujiro Yamamura, Tatsuji Kimura
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Patent number: 6511933Abstract: A catalyst composition for the cracking of heavy oil, which has high cracking activity for heavy components in the heavy oil and features reduced deposition of coke. The catalyst composition is comprised of a zeolite, a mixed metal oxide, clay and a metal oxide, and the total acidity of a portion of the catalyst; the portion being composed of the catalyst components other than the zeolite, is from 0.02 to 0.08 mmol/g.Type: GrantFiled: June 12, 1998Date of Patent: January 28, 2003Assignee: Tonen CorporationInventors: Masato Shibasaki, Nobuo Ootake
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Patent number: 6436870Abstract: A high-activity hydrotreating catalyst containing a uniformly dispersed active component at a high concentration, and particularly useful for deep desulfurization of a hydrocarbon oil for its high hydrodesulfurization activity. The present invention also provides a hydrotreating process using the same catalyst.Type: GrantFiled: August 31, 2000Date of Patent: August 20, 2002Assignee: Tonen CorporationInventors: Masahiko Iijima, Takao Hashimoto, Yoshinobu Okayasu, Takeshi Isoda
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Patent number: 6383688Abstract: The present invention relates to a method of removing water and a free acids content in an electrolytic solution for a lithium battery, and to an electrolytic solution for a lithium battery having a low water content and acids content. The present method is characterized by comprising steps of (a) leading an inert gas through the solvent having a water content of 100 ppm or lower under heating of the solvent to vaporize water together with the solvent to thereby reduce the water content of the solvent, and (b) dissolving the lithium electrolyte in the solvent while maintaining a temperature of the solvent at 20° C. or lower. The present method can make the water content at most 3 ppm and the free acids content less than 1 ppm.Type: GrantFiled: August 4, 2000Date of Patent: May 7, 2002Assignee: Tonen CorporationInventors: Hiroyuki Inagaki, Satoshi Asano, Masatoshi Horii, Hiroshi Furukawa, Tadashi Niwa
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Patent number: 6310168Abstract: An amine residue-containing polysilazane having a number average molecular weight of 100-100,000 and having a molecular chain containing a silazane structure represented by the general formula (I) shown below and/or a silazane structure represented by the general formula (II) shown below: wherein R1 and R2 each stand for hydrogen, a hydrocarbyl group or a hydrocarbyl group-containing silyl group, A and A2 each stand for a divalent hydrocarbyl group, B stands for an N-hydrocarbyl group-substituted amine residue or a cyclic amine residue, B2 stands for a divalent linear amine residue or a divalent cyclic amine residue and p, r and q are each 0 or 1. The above polysilazane may be obtained by reacting a polysilazane with a mono- and/or dihydroxyl compound having an amine residue in an inert organic solvent containing no active hydrogen.Type: GrantFiled: February 7, 2000Date of Patent: October 30, 2001Assignee: Tonen CorporationInventors: Yasuo Shimizu, Tomoko Aoki, Osamu Funayama
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Patent number: 6306289Abstract: A hydrotreating catalyst having both a high desulfurization activity and a denitrogenation activity and a method of hydrotreating a hydrocarbon oil using the same is provided.Type: GrantFiled: November 16, 1999Date of Patent: October 23, 2001Assignee: Tonen CorporationInventors: Fumitaka Hayashi, Akira Kamo, Hiroshi Toshima
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Patent number: 6245719Abstract: The present invention is a lubricant oil composition comprising a base oil as the major component which contains aromatic compounds at 1 wt % or less and paraffin and monocyclic naphthene compounds at 50 wt % or more as total content, and has a kinematic viscosity of 2 to 50 mm2/s at 100° C. and evaporated quantity of 16 wt % or less by the NOACK volatility test.Type: GrantFiled: August 6, 1999Date of Patent: June 12, 2001Assignee: Tonen CorporationInventor: Atsuhisa Kobori
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Patent number: 6215034Abstract: This invention provides a base fuel oil, having improved response to lubricity additives, for diesel fuel oil characterized by (1) sulfur content of 0.03 wt % or less, (2) nitrogen content of 35 wt. ppm or less, (3) density of 0.835 g/cm3 or less and (4) solubility parameter of 7.00 to 8.10, and also provides a diesel fuel oil composition comprising the above base fuel oil incorporated with a lubricity additive.Type: GrantFiled: December 10, 1999Date of Patent: April 10, 2001Assignee: Tonen CorporationInventors: Noriaki Oomori, Kazuyuki Murakami, Kazuyoshi Namiyama
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Patent number: 6207625Abstract: The present invention relates to a lubricant oil composition, comprising a base oil composed of a mineral and/or synthetic oil incorporated with at least two types of additives (A) and (B) described below, characterized by being used for diesel engines operating with large quantities of soot in their oil, in particular those equipped with an exhaust gas recirculation (EGR) system: (A) sulfurized oxymolybdenum dithiocarbamate at 0.03 to 0.50 wt % as Mo, based on the whole composition, and (B) zinc dialkyl dithiophosphate at 0.04 to 0.50 wt % as P, also based on the whole composition.Type: GrantFiled: December 10, 1999Date of Patent: March 27, 2001Assignee: Tonen CorporationInventors: Satoshi Ogano, Toshiaki Kuribayashi
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Patent number: 6191080Abstract: A heat resistant lubricating oil composition which exhibits high heat resistance and oxidation resistance under high temperature conditions, and can withstand severe working conditions, as in jet engines or gas turbines. The lubricating oil composition comprises a polyphenylthioether of formula {I} in a lubricating base oil, comprising any one of a polyol ester, dibasic acid ester, a polyphenyl ether, an organopolysiloxane and admixtures thereof.Type: GrantFiled: February 14, 1997Date of Patent: February 20, 2001Assignee: Tonen CorporationInventors: Hiroshi Nakanishi, Ko Onodera, Makoto Kanbara, Atsuhisa Kobori, Yoshinobu Nakamura
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Patent number: 6187171Abstract: An unleaded high octane gasoline composition exhibiting reduced gum formation and improved air intake system and combustion chamber cleanliness is provided comprising at least (A) one reformate fraction produced by a continuous regeneration type reformer and/or (B) at least one reformate fraction produced by a fixed bed type reformer, said unleaded high octane gasoline composition satisfying the following conditions: Z=({fraction (1/100)})[&Sgr;(ax)+({fraction (1/9)})&Sgr;(by)]<0.Type: GrantFiled: July 9, 1999Date of Patent: February 13, 2001Assignee: Tonen CorporationInventor: Katsumi Tsuboi
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Patent number: 6184185Abstract: The present invention provides a lubricant oil composition for an automatic and continuously variable transmission with a built-in torque converter equipped with a lock-up clutch, which is incorporated, in the base oil, with a compound containing at least one type of cyclic carboxylic acid imide having boron in the molecule and substituted by an alkyl or alkenyl group, wherein the cyclic carboxylic acid imide is contained at 0.1 to 12 wt % based on the whole composition.Type: GrantFiled: April 2, 1999Date of Patent: February 6, 2001Assignee: Tonen CorporationInventors: Shigeko Taguchi, Hiroshi Nakanishi, Takanori Kugimiya
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Patent number: 6147035Abstract: A lubricating oil composition is provided, which comprises a lubricating base oil and based on the whole weight of the lubricating oil composition, (A) 0.5 wt % to 10 wt % of a metal salicylate having a total base number of from 100 mg-KOH/g to 195 mg-KOH/g, (B) 0.1 wt % to 10 wt % of a diarylamine compound, (C) 0.1 wt % to 10 wt % of a hindered phenol compound, and (D) 1 wt % to 10 wt % of a polyalkenylsuccinimide and/or a boron-containing polyalkenylsuccinimide. Also provided is a lubricating oil composition which further comprises 0.1 wt % to 10 wt % of a metal phenate having a total base number of from 100 mg-KOH/g to 300 mg-KOH/g as a component (E) in addition to the above components (A) to (D). The lubricating oil composition is excellent in all properties of detergency, NO.sub.x oxidation resistance and thermal oxidation resistance and suitable as a long-life engine oil for gas engine heat pumps.Type: GrantFiled: January 9, 1998Date of Patent: November 14, 2000Assignee: Tonen CorporationInventors: Yasunori Sougawa, Masakichi Shimada, Masaaki Shiomi
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Patent number: 6140283Abstract: This invention provides a lubricant oil composition for internal combustion engines which shows a sufficiently low volatility at high temperature and good low-temperature viscosity characteristics.The lubricant oil composition for internal combustion engines comprises a base oil which simultaneously satisfies the following relationships (a.sub.1) and (b.sub.1):[(A.cndot.GCD5-50+B)Exp((C.cndot.GCD5-50+D)KV100)]/KV40>1, and(a.sub.1)E.cndot.Exp(F.cndot.KV100)/KV40>1, (b.sub.1)wherein, GCD5-50 is a difference between 5% and 50% distillation points (.degree. C.) by gas chromatographic distillation test, KV40 and KV100 are kinematic viscosities (mm.sup.2 /s) at 40.degree. C. and 100.degree. C., and A to F are constants, A: -3.17.times.10.sup.-3, B: 2.87, C: -3.78.times.10.sup.4, D: 4.91.times.10.sup.-1, E: 9.41, and F: 2.09.times.10.sup.-1.Type: GrantFiled: November 8, 1999Date of Patent: October 31, 2000Assignee: Tonen CorporationInventor: Katsuya Koganei
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Patent number: 6136049Abstract: The present invention provides diesel fuel oil composition comprising a base fuel which contains normal paraffin compounds having a carbon number of 20 or more 4.0 wt % or less, has a specific carbon number distribution in the high-boiling normal paraffin compounds, contains sulfur at 0.05 wt % or less, and is incorporated with 0.01 to 0.1 wt % of a FI.Type: GrantFiled: May 7, 1999Date of Patent: October 24, 2000Assignee: Tonen CorporationInventors: Isao Nakajima, Takashi Hino
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Patent number: 6136050Abstract: The present invention provides a diesel fuel oil composition comprising a base fuel which contains normal paraffin compounds having a carbon number of 20 or more at 4.0 wt % or less, has a specific carbon number distribution in the high-boiling normal paraffin compounds, contains sulfur at 0.05 wt % or less, and is incorporated with 0.01 to 0.1 wt % of an FI and 0.002 to 0.1 wt % of lubricity improver.Type: GrantFiled: May 7, 1999Date of Patent: October 24, 2000Assignee: Tonen CorporationInventors: Isao Nakajima, Kazuyuki Murakami, Takashi Hino
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Patent number: 6096693Abstract: The present invention is directed to a zinc-molybdenum-based dithiocarbamate derivative which is a complex salt having the metallic components of zinc and molybdenum in the same molecule. When used as a lubricant additive, it imparts a notable friction-reducing effect to the lubricant composition in which it is incorporated, reducing its friction coefficient and improving its stability of friction coefficient at both low and high temperature, particularly at high temperature. In particular, it improves friction-related characteristics much more notably than a combination of a molybdenum and zinc compound.Type: GrantFiled: February 23, 1999Date of Patent: August 1, 2000Assignee: Tonen CorporationInventors: Hiroshi Nakanishi, Hiroyuki Iwasaki, Katsuya Koganei
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Patent number: 6083860Abstract: A method for forming dense ceramics, particularly a ceramic coating by a low temperature treatment is provided. The method for forming ceramics according to the invention is characterized in that a polysilazane having a number-average molecular weight of 100 to 50,000 or a modified polysilazane thereof is subjected to a heat treatment, then exposed to an atmosphere containing water vapor or immersed in distilled water containing a catalyst, or both, or is brought into contact with Pd.sup.2+ ions and water, the polysilazane having a skeleton comprising the unit represented by the following general formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, a group other than the above and having a carbon atom directly attached to the silicon atom, an alkylsilyl group, an alkylamino group and an alkoxy group; with the proviso that at least one of R.sup.1, R.sup.2 and R.sup.3 is a hydrogen atom.Type: GrantFiled: January 12, 1998Date of Patent: July 4, 2000Assignee: Tonen CorporationInventors: Hideki Matsuo, Masahiro Kokubo, Takashi Ohbayashi, Yuji Tashiro, Tadashi Suzuki, Masami Kizaki, Haruo Hashimoto, Yasuo Shimizu, Takaaki Sakurai, Hiroyuki Aoki
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Patent number: 6011167Abstract: Polyorganosiloxazane is provided which is capable of being converted into a ceramic material having low dielectric constant. The polymer according to the present invention is characterized by comprising the main repeating units of --(RSiN.sub.3)--, --(RSiN.sub.2 O)--, --(RSiNO.sub.2)-- and --(RSiO.sub.3)--, wherein, R represents an alkyl, alkenyl, cycloalkyl, aryl, alkylamino or alkylsilyl group, and by having a number-average molecular weight ranging from 300 to 100,000. The polyorganosiloxazane of the present invention has superior thermal resistance, and a ceramic material obtainable by firing the same at a predetermined temperature shows very low specific dielectric constant of 2.7 or less, making it useful particularly as a material in electronics.Type: GrantFiled: August 26, 1998Date of Patent: January 4, 2000Assignee: Tonen CorporationInventors: Yuuji Tashiro, Osamu Funayama