1
Sano Takashi, Komatsubara Hitoshi, Wada Hisayuki, Kurosawa Osamu, Itou Masaaki, Matsui Shigeki, Takahashi Masato, Fu Kai, Shirahama Shinichi, Sugiura Izuru, Taguchi Masahiro, Konishi Shozaburo: Lubricant base oil, lubricant composition for internal combustion engine and lubricant composition for driving force transmitting device. Nippon Oil, Petroleum Energy Ct Pec, October 17, 2007: EP1845151-A1 (20 worldwide citation)

The lubricating base oil of the invention is characterized by satisfying at least one of the following conditions (a) or (b). (a) A saturated compound content of 95 % by mass or greater, and a proportion of 0.1-10 % by mass of cyclic saturated compounds among the saturated compounds. (b) The conditi ...


2
Bando Toru: Process for the purification of polyarylene sulfide. Idemitsu Petrochemical Co, Petroleum Energy Ct Pec, January 22, 2003: EP1277784-A1 (3 worldwide citation)

Provided is a method of purifying a polyarylene sulfide by washing it with a mixture of an aprotic organic solvent and an alkyl halide, or with a mixture prepared by adding a halogenoaromatic compound having an electron-withdrawing group to an aprotic organic solvent. The method makes it possible to ...


3
Iino Akira, Itoh Toshio, Akashi Shinji: Fluid catalytic cracking catalyst having desulfurizing functions, process for production of the same, and process for production of low-sulfur catalytically cracked gasoline with the catalyst. Idemitsu Kosan Co, Petroleum Energy Ct Pec A Juri, April 8, 2009: EP2045012-A1 (3 worldwide citation)

The present invention 1, 2 or 3 provides a desulfurization function-added FCC catalyst which can efficiently reduce the sulfur content of FCC gasoline while maintaining the yield of FCC gasoline in a process of producing FCC gasoline by cracking of heavy oil. The catalyst has vanadium supported on a ...


4
Senga Minoru, Okamoto Masaya, Hayashi Mikiya: Process for producing polyarylene sulfide. Idemitsu Petrochemical Co, Petroleum Energy Ct Pec, January 2, 2004: EP1375541-A1 (1 worldwide citation)

There is disclosed a process for producing a polyarylene sulfide (PAS) which comprises reacting a sulfur source with a dihalogenated aromatic compound in the presence of an aprotic organic solvent, characterized in that the process comprises at least one polymerization reaction step wherein a polyme ...


5
Bando Toru: Process for the purification of polyarylene sulfide. Idemitsu Kosan Co, Petroleum Energy Ct Pec, June 8, 2005: EP1538174-A2

Provided is a method of purifying a polyarylene sulfide by washing it with a mixture of an aprotic organic solvent and a salt prepared through reaction of a strong acid with a weak base, followed by further washing the polyarylene sulfide with a mixture prepared by adding a halogenoaromatic compound ...


6
Shirota Daigo: Method of treating by-product salt yielded with polyarylene sulfide. Petroleum Energy Ct Pec, Idemitsu Petrochemical Co, January 2, 2004: EP1375565-A1

There is disclosed a process for treating a by-product salt of a polyarylene sulfide which comprises subjecting solid matter containing an aprotic organic solvent and the by-product salt that is formed in the case of producing a polyarylene sulfide by polymerization condensation reaction of an alkal ...


7
Inage Shinichi, Takahashi Hirokazu, Nishida Koji, Hayashi Akinori, Hokari Nobuyuki, Yokota Osami, Kokubo Shinsuke, Sasada Tetsuo, Nishijima Tsunemasa, Sasao Toshifumi: Method for producing gas turbine fuel, and method and system for generating electric power by gas turbine. Hitachi, Petroleum Energy Ct Pec A Juri, March 28, 2007: EP1767609-A1

In a method for producing gas turbine fuel through the step of modifying heavy fuel oil (16) with the use of an asphaltene-insoluble solvent (15), the utilization factor of the heavy fuel oil (16) usable as gas turbine fuel is increased by making asphaltene selectively removable. A solvent having a ...



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