Patents by Inventor Kouji Toishi
Kouji Toishi 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: 7579497Abstract: The present invention provides a salt of the formula (I): wherein ring Y represents monocyclic or polycyclic hydrocarbon group having 3 to 30 carbon atoms, in which one —CH2— group is substituted with —COO— group, and at least one hydrogen atom in the monocyclic or polycyclic hydrocarbon group may optionally be substituted with alkyl group having 1 to 6 carbon atom, alkoxy group having 1 to 6 carbon atom, perfluoroalkyl group having 1 to 4 carbon atoms, hydroxyalkyl group having 1 to 6 carbon atoms, hydroxyl group or cyano group; Q1 and Q2 each independently represent fluorine atom or perfluoroalkyl group having 1 to 6 carbon atoms; A+ represents organic counter ion; and n shows an integer of 0 to 12. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).Type: GrantFiled: March 28, 2006Date of Patent: August 25, 2009Assignee: Sumitomo Chemical Company, LimitedInventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
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Patent number: 7304175Abstract: The present invention provides a salt of the formula (I) wherein X represents —OH or —Y—OH, n shows an integer of 1 to 9, A+ represents an organic counter ion, Y represents a divalent saturated aliphatic hydrocarbon group having 1 to 6 carbon atoms. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).Type: GrantFiled: February 14, 2006Date of Patent: December 4, 2007Assignee: Sumitomo Chemical Company, LimitedInventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
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Publication number: 20070088131Abstract: The present invention provides a sulfonate of the formula (I): wherein Q1, Q2, Q3, Q4 and Q5 each independently represent hydrogen, alkyl having 1 to 16 carbon atoms, alkoxy having 1 to 16 carbon atoms, halogen, aryl having 6 to 12 carbon atoms, aralkyl having 7 to 12 carbon atoms, cyano, sulfide, hydroxy, nitro or a group of the formula (I?) —COO—X—Cy1 ??(I?) wherein X represents alkylene and at least one —CH2— in the alkylene may be substituted by —O— or —S—, and Cy1 represents alicyclic hydrocarbon having 3 to 20 carbon atoms, and A+ represents a counter ion, with the proviso that at least one of Q1, Q2, Q3, Q4 and Q5 is the group of the formula (I?).Type: ApplicationFiled: December 14, 2006Publication date: April 19, 2007Inventors: Kouji Toishi, Yasunori Uetani
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Publication number: 20070078269Abstract: The present invention provides a salt of the formula (I): wherein ring Y represents monocyclic or polycyclic hydrocarbon group having 3 to 30 carbon atoms, in which one —CH2— group is substituted with —COO— group, and at least one hydrogen atom in the monocyclic or polycyclic hydrocarbon group may optionally be substituted with alkyl group having 1 to 6 carbon atom, alkoxy group having 1 to 6 carbon atom, perfluoroalkyl group having 1 to 4 carbon atoms, hydroxyalkyl group having 1 to 6 carbon atoms, hydroxyl group or cyano group; Q1 and Q2 each independently represent fluorine atom or perfluoroalkyl group having 1 to 6 carbon atoms; A+ represents organic counter ion; and n shows an integer of 0 to 12. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).Type: ApplicationFiled: March 28, 2006Publication date: April 5, 2007Applicant: Sumitomo Chemical Company, LimitedInventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
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Patent number: 7132218Abstract: The present invention provide a chemically amplified positive resist composition comprising a resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution and becomes soluble in an alkali aqueous solution by the action of an acid; an acid generator; and a compound of the formula (C-1) wherein R1 and R2 each independently represents a hydrogen or an alkyl having 1 to 4 carbon atoms, R3, R4 and R5 each independently represents a hydrogen or a hydroxyl.Type: GrantFiled: March 18, 2005Date of Patent: November 7, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Kouji Toishi, Yoshiyuki Takata, Satoshi Yamaguchi
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Patent number: 7129014Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, an acid generator, and multifunctional epoxy compound, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.Type: GrantFiled: April 2, 2003Date of Patent: October 31, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
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Publication number: 20060194982Abstract: The present invention provides a salt of the formula (I) wherein X represents —OH or —Y—OH, n shows an integer of 1 to 9, A+ represents an organic counter ion, Y represents a divalent saturated aliphatic hydrocarbon group having 1 to 6 carbon atoms. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).Type: ApplicationFiled: February 14, 2006Publication date: August 31, 2006Applicant: Sumitomo Chemical Company, LimitedInventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
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Publication number: 20050214676Abstract: The present invention provide a chemically amplified positive resist composition comprising a resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution and becomes soluble in an alkali aqueous solution by the action of an acid; an acid generator; and a compound of the formula (C-1) ?wherein R1 and R2 each independently represents a hydrogen or an alkyl having 1 to 4 carbon atoms, R3, R4 and R5 each independently represents a hydrogen or a hydroxyl.Type: ApplicationFiled: March 18, 2005Publication date: September 29, 2005Inventors: Kouji Toishi, Yoshiyuki Takata, Satoshi Yamaguchi
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Patent number: 6893792Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, and an acid generator, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.Type: GrantFiled: February 14, 2003Date of Patent: May 17, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Yoshiko Miya, Kouji Toishi, Kazuhiko Hashimoto
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Publication number: 20040224251Abstract: The present invention provides a positive resist composition comprisingType: ApplicationFiled: September 23, 2003Publication date: November 11, 2004Inventors: Kouji Toishi, Yasunori Uetani
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Publication number: 20030236351Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, an acid generator, and multifunctional epoxy compound, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.Type: ApplicationFiled: April 2, 2003Publication date: December 25, 2003Inventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
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Publication number: 20030194639Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, and an acid generator, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.Type: ApplicationFiled: February 14, 2003Publication date: October 16, 2003Inventors: Yoshiko Miya, Kouji Toishi, Kazuhiko Hashimoto
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Publication number: 20030175620Abstract: The present invention provides a chemical amplification type positive resist composition comprising a resin having structural units of the following general formulae (I) and (II) and insoluble or poorly soluble itself in an alkali aqueous solution but becoming soluble in an alkali aqueous solution by the action of an acid; an acid generating agent; and a multifunctional epoxy compound: 1Type: ApplicationFiled: December 24, 2002Publication date: September 18, 2003Inventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
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Patent number: 6222023Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification, or a salt thereof is superior in various performance for dyeing and printing a fiber material.Type: GrantFiled: March 24, 2000Date of Patent: April 24, 2001Assignee: Sumitomo Chemical, Company, LimitedInventors: Kouji Toishi, Katsumi Agata, Toshiyuki Araki
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Patent number: 6214977Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification and a method for dyeing or printing a fiber material using them are provided.Type: GrantFiled: April 18, 2000Date of Patent: April 10, 2001Assignee: Sumitomo Chemical Company, LimitedInventors: Kouji Toishi, Katsumi Agata, Toshiyuki Araki
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Patent number: 5998591Abstract: There is provided a bisazo compound which is useful as a reactive dye for dyeing or printing a fiber material in an orange to scarlet or red color; the bisazo compound being represented by the following formula (1): ##STR1## wherein m and n represents 0 or 1; W represents a divalent connecting group represented by --NH-- or --NHCONH--;D.sup.1 and D.sup.2 represent a group represented by the following formula (2a), (2b), (2c) or (2d) ##STR2## wherein Y represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 L, in which L represents a group eliminatable by the action of an alkali.Type: GrantFiled: May 20, 1998Date of Patent: December 7, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Kouji Toishi, Nobutaka Kunimi, Yoshiteru Ohta
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Patent number: 5962655Abstract: There is provided a monoazo compound which is useful as a reactive dye for dyeing or printing a fiber material in an orange to scarlet color; and intermediate compounds for producing the compound is provided; the monoazo compound being represented by the following formula (1): ##STR1## wherein m represents 0 or 1; R.sup.1 represents a hydrogen atom or a lower alkyl group; D represents a specific diazo component of benzene type having substitution of a fiber reactive group; B.sup.1 represents a direct bond or connecting group; Z.sup.1 represents an alkylcarbonyl group, phenylcarbonyl group or a fiber-reactive group of vinylsulfone, triazine or pirimidine type; a group represented by --NR.sup.1 -- bonds to 6-position or 7-position of a naphthalene ring;and the intermediate compounds being represented by the following formulae (A) or (B): ##STR2## wherein U represents a connecting group such as alkylene and the like, Y represents vinyl or --CH.sub.2 CH.sub.Type: GrantFiled: January 20, 1998Date of Patent: October 5, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Nobutaka Kunimi, Shigeru Sasaki, Kouji Toishi, Atsushi Inoue
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Patent number: 5886159Abstract: A bisazo compound represented by the following general formula (I) or its salt is a useful fiber-reactive dye: ##STR1## where D is a phenyl or naphthyl group; B is a phenylene group, etc.; U is an aliphatic or aromatic linking group; Z is a vinyl group, etc.; and X and Y are a halogen atom, a pyridinio group, etc.Type: GrantFiled: August 18, 1997Date of Patent: March 23, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Nobutaka Kunimi, Kouji Toishi