Patents by Inventor Tadatomi Nishikubo

Tadatomi Nishikubo 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).

  • Patent number: 7705189
    Abstract: A novel calixarene compound, a method for manufacturing the same, an intermediate of the calixarene compound, and a composition comprising the same are provided. The calixarene compound is expected to be useful as an inclusion compound and, if functional groups are introduced, can be used for a curable composition and a photoresist and as an inclusion compound.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: April 27, 2010
    Assignees: JSR Corporation, Kanagawa University
    Inventors: Tadatomi Nishikubo, Hiroto Kudou, Kouji Mitani
  • Patent number: 7238763
    Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated monocarboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: July 3, 2007
    Assignee: Kanagawa University and Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Patent number: 7226710
    Abstract: A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: June 5, 2007
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama, Seiya Onodera
  • Publication number: 20070123736
    Abstract: A novel calixarene compound, a method for manufacturing the same, an intermediate of the calixarene compound, and a composition comprising the same are provided. The calixarene compound is expected to be useful as an inclusion compound and, if functional groups are introduced, can be used for a curable composition and a photoresist and as an inclusion compound.
    Type: Application
    Filed: February 4, 2005
    Publication date: May 31, 2007
    Applicants: JSR Corporation, KANAGAWA UNIVERSITY
    Inventors: Tadatomi Nishikubo, Hiroto Kudou, Kouji Mitani
  • Patent number: 7208568
    Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a-polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: April 24, 2007
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Patent number: 7132168
    Abstract: A printed circuit board that includes a solder resist has a photocurable and thermosetting resin composition which comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: November 7, 2006
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Patent number: 7057063
    Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated carboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: June 6, 2006
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Publication number: 20060030636
    Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated monocarboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.
    Type: Application
    Filed: September 28, 2005
    Publication date: February 9, 2006
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Publication number: 20050158661
    Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a-polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.
    Type: Application
    Filed: December 14, 2004
    Publication date: July 21, 2005
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama
  • Patent number: 6906116
    Abstract: An unsaturated polyester compound having an ethylenically unsatureated group in its terminal and hydroxymethyl group in its side chain is obtained by the reaction of (a) a compound containing at least two oxetane rings in its molecule with (b) a compound containing at least two carboxyl groups in its molecule and (c) an unsaturated monocarboxylic acid in the presence of a reaction promotor in such a proportion that the ratio of said compound (b) to said compound (a) falls in the range of 0.1<(b)/(a)<1. BY further reacting (d) a polybasic acid anhydride with the resultant unsaturated polyester compound (A?), there is obtained an actinic energy ray-curable resin which is soluble in an aqueous alkaline solution. A photocurable and/or thermosetting composition is obtained by mixing the unsaturated polyester compound (A?) and/or the actinic energy ray-curable resin with a polymerization initiator (B).
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: June 14, 2005
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Publication number: 20050112500
    Abstract: A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 26, 2005
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama, Seiya Onodera
  • Publication number: 20050100822
    Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with. (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.
    Type: Application
    Filed: December 14, 2004
    Publication date: May 12, 2005
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama
  • Patent number: 6867282
    Abstract: The photocurable and thermosetting resin composition of the present invention includes (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a photopolymerization initiator, (C) a diluent, and (D) a thermosetting component. In the general formula (1), R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: March 15, 2005
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masatoshi Kusama
  • Patent number: 6861500
    Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: March 1, 2005
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Patent number: 6844130
    Abstract: A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: January 18, 2005
    Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama, Seiya Onodera
  • Publication number: 20040039087
    Abstract: An unsaturated polyester compound having an ethylenically unsatureated group in its terminal and hydroxymethyl group in its side chain is obtained by the reaction of (a) a compound containing at least two oxetane rings in its molecule with (b) a compound containing at least two carboxyl groups in its molecule and (c) an unsaturated monocarboxylic acid in the presence of a reaction promotor in such a proportion that the ratio of said compound (b) to said compound (a) falls in the range of 0.1<(b)/(a)<1. BY further reacting (d) a polybasic acid anhydride with the resultant unsaturated polyester compound (A′), there is obtained an actinic energy ray-curable resin which is soluble in an aqueous alkaline solution. A photocurable and/or thermosetting composition is obtained by mixing the unsaturated polyester compound (A′) and/or the actinic energy ray-curable resin with a polymerization initiator (B).
    Type: Application
    Filed: August 14, 2003
    Publication date: February 26, 2004
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
  • Publication number: 20040023120
    Abstract: A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.
    Type: Application
    Filed: September 27, 2002
    Publication date: February 5, 2004
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama, Seiya Onodera
  • Publication number: 20030216514
    Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a photopolymerization initiator, (C) a diluent, and (D) a thermosetting component.
    Type: Application
    Filed: June 3, 2003
    Publication date: November 20, 2003
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masatoshi Kusama
  • Publication number: 20030153723
    Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a′).
    Type: Application
    Filed: September 27, 2002
    Publication date: August 14, 2003
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama
  • Publication number: 20030009053
    Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): 1
    Type: Application
    Filed: July 25, 2002
    Publication date: January 9, 2003
    Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama