Patents by Inventor Toshifumi Takemori
Toshifumi Takemori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9399693Abstract: A resin composition for photoimprinting, a cured product of the resin composition which is excellent in etching and heat resistance, and a pattern forming process using the resin composition are provided. The resin composition contains photocurable monomer (A) containing at least one carbazole compound of formula (I): a photocurable monomer (B) containing at least one compound of the following formulae (II), (III), and (IV): and a photopolymerization initiator (C). The weight ratio of the photocurable monomer (A) to the photocurable monomer (B) is from 30/70 to 87/13.Type: GrantFiled: December 2, 2011Date of Patent: July 26, 2016Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Yoshihisa Hayashida, Takuro Satsuka, Teruyo Ikeda, Norio Futaesaku, Toshifumi Takemori
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Patent number: 9242407Abstract: A cyclic-olefin-based thermoplastic resin for thermal imprint to be used in the production of a sheet or a film which contains at least one of skeletons represented by the following chemical equation 1 or the following chemical equation 2 in a main chain. The glass transition temperature Tg (° C.) and the value ([M]) of MFR at 260° C. satisfy the following equation 1, and [M]<30. The thermal imprint characteristics (transferability, mold release characteristic, and the like) are superior and the productivity (throughput) is improved.Type: GrantFiled: August 1, 2014Date of Patent: January 26, 2016Assignees: SCIVAX CORPORATION, MARUZEN PETROCHEMICAL CO., LTD.Inventors: Toshifumi Takemori, Yoshiaki Takaya, Takahito Mita, Tetsuya Iizuka, Yuji Hashima, Takahisa Kusuura, Mitsuru Fujii, Takuji Taguchi, Anupam Mitra
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Publication number: 20130288021Abstract: A resin composition for photoimprinting, a cured product of the resin composition which is excellent in etching and heat resistance, and a pattern forming process using the resin composition are provided. The resin composition contains photocurable monomer (A) containing at least one carbazole compound of formula (I): a photocurable monomer (B) containing at least one compound of the following formulae (II), (III), and (IV): and a photopolymerization initiator (C). The weight ratio of the photocurable monomer (A) to the photocurable monomer (B) is from 30/70 to 87/13.Type: ApplicationFiled: December 2, 2011Publication date: October 31, 2013Applicant: Maruzen Petrochemical Co., Ltd.Inventors: Yoshihisa Hayashida, Takuro Satsuka, Teruyo Ikeda, Norio Futaesaku, Toshifumi Takemori
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Publication number: 20110198346Abstract: It is an object of the present invention to provide a functional-container forming method and a molding die which can produce a functional container at a low cost and a high throughput without using a bond, and, a functional container produced by utilizing those. A functional-container forming method for forming a casing part on a bottom-face member having a predetermined functional surface, the functional-container forming method comprising the steps of: forming a protection region that suppresses a deterioration of a function of the functional surface between the functional surface and a molding die; and performing a molding by filling a melted resin in a cavity formed between the molding die and the bottom-face member.Type: ApplicationFiled: February 9, 2011Publication date: August 18, 2011Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Toshifumi Takemori, Yoshiaki Takaya, Tomoaki Shimada
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Patent number: 7345119Abstract: An olefin polymerization solid catalyst including a reaction product of a transition metal compound and an organoaluminum compound carried on a support having silica treated with an organoaluminum-oxy compound.Type: GrantFiled: November 30, 2004Date of Patent: March 18, 2008Assignee: Maruzen Petrochemical Company, LimitedInventors: Toshifumi Takemori, Minoru Iijima, Yoshihisa Hayashida, Masashi Iida
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Publication number: 20050215736Abstract: An olefin polymerization solid catalyst which comprises having a reaction product of (C) a transition metal compound of the following formula (1) or (2) and (D) an organoaluminum compound carried on a support having (A) silica treated with (B) an organoaluminum-oxy compound; (R1aCp)m(R2bCp)nM-(-X-Ar-Yc)4-(m+n)??(1) wherein M is titanium, zirconium or hafnium, Cp is a group having a cyclopentadienyl structure, R1 and R2 are a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an alkylaryl group, an arylalkyl group or an alkylsilyl group, X is an oxygen atom or a sulfur atom, Ar is an aromatic ring, Y may be the same or different and is a hydrogen atom or a substituent selected from the group consisting of a hydrocarbon group, an alkylsilyl group, a halogen atom, a halogenated hydrocarbon group, a nitrogen-containing organic group, an oxygen-containing organic group or a sulfur-containing organic group, a and b are an integer of from 0 to 5, m and n are an integer of from 0 to 3, m+n is an integType: ApplicationFiled: November 30, 2004Publication date: September 29, 2005Applicant: MARUZEN PETROCHEMICAL COMPANY, LIMITEDInventors: Toshifumi Takemori, Minoru Iijima, Yoshihisa Hayashida, Masashi Iida
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Patent number: 6787616Abstract: A solid catalyst for olefin polymerization, which comprises a silica carrier (A) having a specific surface area of from 600 to 850 m2/g, a pore volume of from 0.1 to 0.8 ml/g and an average particle size of from 2 to 12 &mgr;m, and an organoaluminum-oxy compound (B) and a Group IVB transition metal compound (C) containing a ligand having a cyclopentadienyl skeleton, supported on the carrier (A).Type: GrantFiled: June 18, 2003Date of Patent: September 7, 2004Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Toshifumi Takemori, Masashi Iida, Minoru Iijima, Yoshihisa Hayashida, Masao Kawahara
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Patent number: 6743863Abstract: A resin composition comprising the following components (A), (B) and (C), wherein the content of component (A) is from 10 to 90 wt %, component (B):component (C)=from 10:1 to 1:5 (weight ratio), the intrinsic viscosity [&eegr;] is in the range from 0.17 to 0.40 m3/kg, and the density is in the range from 935 to 968 kg/m3: Component (A): a homopolymer of ethylene or a copolymer of ethylene having an &agr;-olefin content of from 0 to 0.5 wt %, and an intrinsic viscosity [&eegr;] of from 0.035 to 0.17 m3/kg, Component (B): a homopolymer of ethylene or a copolymer of ethylene having an &agr;-olefin content of from 0 to 0.5 wt %, and an intrinsic viscosity [&eegr;] of from 0.2 to 1.0 m3/kg, and Component (C): a copolymer of ethylene having an &agr;-olefin content of from 0.7 to 15 wt %, and an intrinsic viscosity [&eegr;] of from 0.2 to 1.0 m3/kg.Type: GrantFiled: August 2, 2002Date of Patent: June 1, 2004Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Tetsuya Iizuka, Shigeharu Yamamoto, Masao Kawahara, Toshifumi Takemori, Masashi Iida, Katsutoshi Nishitani
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Publication number: 20040010104Abstract: A solid catalyst for olefin polymerization, which comprises a silica carrier (A) having a specific surface area of from 600 to 850 m2/g, a pore volume of from 0.1 to 0.8 ml/g and an average particle size of from 2 to 12 &mgr;m, and an organoaluminum-oxy compound (B) and a Group IVB transition metal compound (C) containing a ligand having a cyclopentadienyl skeleton, supported on the carrier (A).Type: ApplicationFiled: June 18, 2003Publication date: January 15, 2004Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Toshifumi Takemori, Masashi Iida, Minoru Iijima, Yoshihisa Hayashida, Masao Kawahara
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Patent number: 6627714Abstract: An olefinic copolymer having a cyclic structure is prepared by copolymerizing a) ethylene (M1) and b) dicyclopentadiene or tricyclopentadiene (M2), and, optionally c) a cyclic olefin (M3), in the presence of a catalyst which contains a metallocene compound (A) having formula [1]: H2C(R′mCp)(R″nCp)MX2[1], wherein M is zirconium or hafnium, Cp has a cyclopentadienyl skeleton, each of R′ and R″ is a hydrocarbon group having 1 to 10 carbon atoms, each of two X's which may be the same or different from each other, is a halogen, a hydrogen, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group, an alkylamino group, an alkoxy group, an aryloxy group of the formula —O—Ar—Yp, a thioalkyl group, or a thioaryl group of the formula —S—Ar—Yp; wherein Ar is an aromatic ring, Y is a halogen, a hydrogen, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group, an alkoxy group, an alkylaminoType: GrantFiled: November 5, 2001Date of Patent: September 30, 2003Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Shigeharu Yamamoto, Sakae Kamiyama, Toshifumi Takemori, Yoji Suzuki, Kazuhiko Mizuno, Yoko Furuyama, Hiroshi Yamazaki
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Patent number: 6569800Abstract: A metallocene compound may be used as a catalyst component for the polymerization of olefins. The compound is stable to air and moisture so that it generates no hydrogen halide by hydrolysis and is easily handled, and it has high storage stability and high catalyst activity. Specifically, the catalyst component for the polymerization of olefins comprises a transition metal composition represented by the general formula [1] and [2]: (RaCp)m(R′bCp)M(—X—Ar—Yc)4−(m+n) [1] R″(RdCp)(R′eCp)M(—X—Ar—Yc)2 [2] wherein M is Ti, Zr or Hf; each of (RaCp), (R′b Cp), (Rd Cp) and (R″e Cp) is a radical having the cyclopentadienyl skeleton; R″ is a radical that links (Rd Cp) and (R′e Cp); (—X—Ar—Yc) is a grouping in which the aromatic ring Ar substituted by a specified radical Y bonds to M through an oxygen or sulphur atom X.Type: GrantFiled: September 28, 2001Date of Patent: May 27, 2003Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Toshifumi Takemori, Shigeharu Yamamoto, Masatoshi Tsuchitani
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Publication number: 20030036606Abstract: A resin composition comprising the following components (A), (B) and (C), wherein the content of component (A) is from 10 to 90 wt %, component (B):component (C)=from 10:1 to 1:5 (weight ratio), the intrinsic viscosity [&eegr;] is in the range from 0.17 to 0.Type: ApplicationFiled: August 2, 2002Publication date: February 20, 2003Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Tetsuya Iizuka, Shigeharu Yamamoto, Masao Kawahara, Toshifumi Takemori, Masashi Iida, Katsutoshi Nishitani
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Patent number: 6455647Abstract: The present invention relates to a solid catalyst (D) for olefin polymerization comprising a magnesium-containing solid component (A) carrying thereon an organoaluminum-oxy compound (B) and a metallocene compound (C), the magnesium-containing compound (A) being obtained by heat treating a magnesium compound represented by the general formula: MgX2.nH2O where X represents a halogen atom and n is an integer of 1 to 12, and to a method of producing an olefinic polymer using the catalyst. In the case where the above solid catalyst for olefin polymerization is used, catalyst activity, particularly activity per solid catalyst, is high. Therefore, a deashing treatment step such as catalyst removal can be omitted. Further, the olefinic polymer produced has a narrow molecular weight distribution, and in the case of a copolymer, its monomer composition is uniform.Type: GrantFiled: June 8, 2000Date of Patent: September 24, 2002Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Sakae Kamiyama, Toshifumi Takemori, Minoru Iijima, Yukiko Hane, Shigeharu Yamamoto
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Publication number: 20020058767Abstract: A method for producing an olefin type copolymer having a cyclic structure, which comprises copolymerizing ethylene (M1) and dicyclopentadiene or tricyclopentadiene (M2), and, as optionally introduced, a cyclic olefin (M3), wherein, as a catalyst, a catalyst comprising a metallocene compound (A) of the following formula [1]:Type: ApplicationFiled: November 5, 2001Publication date: May 16, 2002Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Shigeharu Yamamoto, Sakae Kamiyama, Toshifumi Takemori, Yoji Suzuki, Kazuhiko Mizuno, Yoko Furuyama, Hiroshi Yamazaki
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Patent number: 6368995Abstract: A solid catalyst for olefin polymerization, obtained by reacting a least one of a hydropolysiloxane compound, having the formula R1aHbSiO(4−a−b)/2, a silane compound of formula R2cSi(OH)4−c, and condensates of the silane, with a compound of formula (MgR32)p.(R3MgX)q to form a reaction product. The reaction product is reacted with an alcohol, having 1 to 4 carbon atoms, to obtain an intermediate product. The intermediate product, is then reacted with water to obtain reaction product. An organoaluminum oxy compound and a metallocene compound are carried on the solid reaction product. The solid catalyst may be used for olefin polymerization. The catalyst requires no deashing treatment and produces a polymer having high bulk density and narrow particle size distribution. Thus the solid catalystenables control of particle size of the polymer in a simple easy manner, and shows no adhesion of polymer onto the inner wall of autoclave.Type: GrantFiled: June 8, 2000Date of Patent: April 9, 2002Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Sakae Kamiyama, Toshifumi Takemori, Minoru Iijima, Yukiko Hane, Shigeharu Yamamoto
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Publication number: 20020039963Abstract: A metallocene compound may be used as a catalyst component for the polymerization of olefins. The compound is stable to air and moisture so that it generates no hydrogen halide by hydrolysis and is easily handled, and it has high storage stability and high catalyst activity.Type: ApplicationFiled: September 28, 2001Publication date: April 4, 2002Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Toshifumi Takemori, Shigeharu Yamamoto, Masatoshi Tsuchitani
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Patent number: 6350831Abstract: A metallocene compound may be used as a catalyst component for the polymerization of olefins. The compound is stable to air and moisture so that it generates no hydrogen halide by hydrolysis and is easily handled, and it has high storage stability and high catalyst activity. Specifically, the catalyst component for the polymerization of olefins comprises a transition metal composition represented by the general formula [1] and [2]: (Ra Cp)m(R′b Cp)M(—X—Ar—Yc)4−(m+n) [1] R″(Rd Cp)(R′e Cp)M(—X—Ar—Yc)2 [2] wherein M is Ti, Zr or Hf; each of (Ra Cp), (R′b Cp), (Rd Cp) and (R″e Cp) is a radical having the cyclopentadienyl skeleton; R″ is a radical that links (Rd Cp) and (R′e Cp); (—X—Ar—Yc) is a grouping in which the aromatic ring Ar substituted by a specified radical Y bonds to M through an oxygen or sulphur atom X.Type: GrantFiled: December 28, 1998Date of Patent: February 26, 2002Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Toshifumi Takemori, Shigeharu Yamamoto, Masatoshi Tsuchitani
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Patent number: 6323149Abstract: The present invention relates to a metallocene compound as a catalyst component for the polymerization of olefins, said compound, is stable to air and moisture so that generates no hydrogen halide by hydrolysis and easily handled, and has a high storage stability and a high catalyst activity. Specifically, the catalyst component for the polymerization of olefins comprises a transition metal composition represented by the general formula [1] and [2]: (Ra Cp)m(R′b Cp)M(—X—Ar—Yc)4−(m+n) [1] R″(Rd Cp) (R′e Cp)M(—X—Ar—Yc)2 [2] wherein M is Ti, Zr or Hf; (Ra Cp),(R′b Cp), (Rd Cp) and (R″e Cp ) each is a radical having the cyclopentadienyl skeleton; R″ is a radical which links (Rd Cp) and (R′e Cp); (—X—Ar—Yc) is a grouping in which the aromatic ring Ar substituted by a specified radical Y bonds to M through an oxygen or sulphur atom X.Type: GrantFiled: May 16, 2000Date of Patent: November 27, 2001Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Toshifumi Takemori, Shigeharu Yamamoto, Masatoshi Tsuchitani