Patents by Inventor Naoki Harada

Naoki Harada 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: 5254136
    Abstract: Provided is a fiber reactive dye composition which can dye or print cellulose based fiber materials or materials containing the fiber materials uniformly with good build-up property and reproducibility and give dyed or printed products excellent in various fastness properties.A fiber reactive dye composition which comprises at least five reactive dyes selected from the groups of reactive dyes represented by the following formulas (I) to (VII) respectively in the form of free acid: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen, alkyl, ureido or the like, R.sub.5 and R.sub.6 are each hydrogen, sulfo or the like, R.sub.3, R.sub.4, R.sub.7 to R.sub.13 and R.sub.15 to R.sub.18 are each hydrogen, alkyl or the like, R.sub.14 is --O-- or ##STR2## A, B, D, E, G, J and L are each phenylene or the like, X.sub.1 to X.sub.6 are each halogen, Y.sub.1 to Y.sub.7 are each --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 C.sub.2 H.sub.4 Z, Z being a group capable of being split off by the action of an alkali, m.sub.1 to m.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: October 19, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Miwako Fujii, Naoki Harada, Shuhei Hashizume
  • Patent number: 5213417
    Abstract: A temperature measuring apparatus consisting of a sensing element, a retaining element which retains the sensing element and which is made of a thermally conductive and electrically insulative material, a holding element which holds the retaining element, and a contact mechanism which elastically contact the retaining element with the top of the surface of the measured body. The sensing element is composed of a thin film thermistor formed on the electrically insulating layer on a substrate. A film having the thermally conductive and electrically insulative material may be inserted between the measured body and the contact area of the retaining element. The retaining element is composed of the polyimide film and a flexible copper lead foil formed on the film and connected to the electrodes of the sensing element.
    Type: Grant
    Filed: September 12, 1991
    Date of Patent: May 25, 1993
    Assignee: NKK Corporation
    Inventors: Takeo Yamada, Mitsuya Otonari, Masaru Yoshida, Naoki Harada, Shuichi Takano, Shinichiro Ohtaka
  • Patent number: 5180817
    Abstract: A trisazo compound represented by the following formula in the free acid form: ##STR1## wherein Q.sub.1 and Q.sub.2 independently of one another are each unsubstituted or substituted phenyl or naphthyl group and l represents 0 or 1, which is useful for dyeing fiber, paper, leather and the like having hydroxy or amido group in black color, and for use in an ink used in ink jet and the like.
    Type: Grant
    Filed: March 18, 1991
    Date of Patent: January 19, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazuya Ogino, Kingo Akahori, Naoki Harada
  • Patent number: 5116956
    Abstract: A polyazo compound of the following formula, ##STR1## wherein X is ##STR2## --NR.sub.2 R.sub.3, --OR.sub.4 or --SR.sub.5, in which R.sub.1 is hydrogen or alkyl, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, A is phenylene, naphthylene or alkylene, Z is a fiber-reactive group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z' in which Z' is a splittable group, Y is pyridinio, and F is polyazo dye moiety carrying a fiber-reactive group like that represented by Z, which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: May 26, 1992
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takashi Omura, Takeshi Washimi, Naoki Harada, Kingo Akahori
  • Patent number: 5116959
    Abstract: A monoazo compound represented by the following formula in a free acid form, ##STR1## wherein R is hydrogen or unsubstituted or substituted C.sub.1 to C.sub.4 alkyl, X is unsubstituted or substituted phentyl or naphthyl, Y is unsubstituted or substituted phenylene or naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.1, in which Z.sub.1 is a splittable group by the action of an alkali, and R.sub.1 and R.sub.2 are independently hydrogen or unsubstituted or substituted C.sub.1 to C.sub.4 alkyl, phenyl or benzyl, excepting the case where R.sub.1 and R.sub.2 are hydrogen, which is useful as reactive dyes of high solubility and good build-up property for giving dyed or printed products of a deep red color excellent in fastness properties.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: May 26, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshihiko Morimitsu, Naoki Harada, Takashi Omura, Sadanobu Kikkawa
  • Patent number: 5112971
    Abstract: Anthraquinone compounds of the formula, ##STR1## wherein R is hydrogen, alkyl or the like, R.sub.1 and R.sub.2 are each hydrogen, halogen or sulfo, l is 1 or 2, X is sulfo or the like or --V--A--(W).sub.m --Z, and Y is --V.sub.1 --A.sub.1 --U, wherein V and V.sub.1 are each --O-- or --S--, A and A.sub.1 are each a divalent group such as ##STR2## W is --NH-- or the like, Z is hydrogen or a fiber reactive group, and U is hydrogen, a fiber reactive group or a fiber reactive group-containing group, provided that at least one of Z and U is or has a fiber reactive group, which is useful for dyeing or printing fiber materials such as cotton to give a dyed or printed product having excellent fastness properties, particularly those such as light fastness and perspiration-light fastness.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: May 12, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kingo Akahori, Naoki Harada, Yutaka Kayane, Takashi Omura
  • Patent number: 5112959
    Abstract: A polyazo compound of the following formula, ##STR1## wherein A is phenylene, naphthylene or alkylene, X is --NR.sub.2 R.sub.3, --OR.sub.4 or --SR.sub.5 in which R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl, phenyl, naphthylene or benzyl, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z' in which Z' is a splittable group, R.sub.1 is hydrogen or alkyl, and F is polyazo dye moiety carrying a fiber reactive group like that represented by Z. This compound is useful for the dyeing or printing of fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: May 12, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takashi Omura, Takeshi Washimi, Naoki Harada, Kingo Akahori
  • Patent number: 5104978
    Abstract: A monoazo compound represented by the following formula in the free acid form: ##STR1## wherein D is unsubstituted or substituted phenylene or naphthylene, X is unsubstituted or substituted pyridinio, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is a group capable of being split by the action of an alkali, and Y is --V--R in which V is --O-- or --S--, and R is hydrogen or which may be substituted alkyl, cyclohexyl, phenyl which may be substituted, naphthyl which may be substituted or benzyl which may be substituted, or ##STR2## in which R.sub.1 and R.sub.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl, phenyl, naphthyl or benzyl, which is superior in solubility and useful for dyeing or printing fiber materials such as cellulose to a red color with superior build-up properties.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: April 14, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kingo Akahori, Masayuki Miki, Takashi Omura, Naoki Harada, Takeshi Washimi
  • Patent number: 5088836
    Abstract: The invention provides an apparatus of the measurement which is consisted of a sensing element, a retaining element which retains the sensing element and which is made of a thermally conductive and electrically insulative material, a holding element which holds the retaining element, and a contact mechanism which elastically contact the retaining element with the top of the surface of the measured body. The sensing element is composed of a thin film thermister formed on the electrically insulating layer on a substrate. A film having the thermally conductive and electrically insulative material may be inserted between the measured body and the contact area of the retaining element. The retaining element is composed of the polyimide film and a flexible copper lead foil formed on the film and connected to the electrodes of the sensing element.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: February 18, 1992
    Assignee: NKK Corporation
    Inventors: Takeo Yamada, Mitsuya Otonari, Masaru Yoshida, Naoki Harada, Shuichi Takano, Shinichiro Ohtaka
  • Patent number: 5053494
    Abstract: A polyazo compound of the following formula, ##STR1## wherein F is a bisazo or trisazo dye moiety, R.sub.1, R.sub.2 and R.sub.3 are independently of one another are each hydrogen or alkyl, B.sub.1 and B.sub.2 independently of one another are each phenylene or naphthylene, Y.sub.1 and Y.sub.2 independently of one another are each --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 L in which L is group capable of being split by the action of an alkali. The compound is useful for dyeing or printing fiber materials to give dyed or printed products with superior dye performance such as build-up property.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: October 1, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takashi Omura, Naoki Harada, Hirokazu Sawamoto
  • Patent number: 5037965
    Abstract: A monoazo compound represented by the following formula in the free acid form, ##STR1## wherein D is phenylene or naphthylene, R is hydrogen or alkyl, A is phenylene or naphthylene, Z.sub.1 and Z.sub.2 independently of one another are each vinylsulfonyl, .beta.-sulfatoethylsulfonyl and the like, and X is pyridinio or amino represented by the following formula ##STR2## wherein R.sub.1 and R.sub.2 independently of one another are each hydrogen, alkyl, phenyl, naphthyl or benzyl, which is useful for dyeing or printing fiber materials to give dyed or printed products of red color excellent in fastness properties with excellent build-up, level-dyeing and washing-off properties.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: August 6, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshihiko Morimitsu, Kingo Akahori, Yutaka Kayane, Naoki Harada, Takashi Omura
  • Patent number: 4977261
    Abstract: A compound of the following formula in the free acid form, ##STR1## wherein and R and R.sub.1 are each hydrogen or alkyl, A is a divalent group of the formula, ##STR2## wherein R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, methyl, ethyl, methoxy or ethoxy, m is 0 or 1, n, u and v are each 0, 1 or 2, p is 0, 1, 2 or 3, q and s are each an integer of 2 to 6, and r is 1 or 2, B.sub.1 is phenylene or naphthylene, Z.sub.1 is vinyl, .beta.-sulfatoethyl or the like, l is 0, 1 or 2, and X is a group of the formula, ##STR3## wherein R.sub.2 is hydrogen or alkyl, B.sub.2 is phenylene or naphtylene, Z.sub.2 is vinyl, .beta.-sulfatoethyl or the like, R.sub.6 and R.sub.7 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, and R, A and l are as defined above, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a brilliant blue color superior in fastness properties such as light fastness and perspiration-light fastness, with superior build-up property.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: December 11, 1990
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Yutaka Kayane, Takashi Omura, Naoki Harada, Yasuji Mori, Yosuke Yamamoto, Tetsuya Miyamoto, Takehiro Kusumoto
  • Patent number: 4975094
    Abstract: Anthrapyridone compounds of the formula, ##STR1## wherein R.sub.1 is hydrogen, benzoyl, acetyl or alkyloxycarbonyl, R.sub.2 is hydrogen or alkyl, R.sub.3 is hydrogen, halogen, sulfo, phenoxy, phenylthio or alkoxy, R.sub.4 is hydrogen, halogen or sulfo, R.sub.5 and R.sub.6 are each hydrogen or alkyl, V is --O--, --S-- or ##STR2## in which R.sub.7 is hydrogen, acetyl or alkyl, B is phenylene or naphthylene, D is vinyl or --CH.sub.2 CH.sub.2 L such as --CH.sub.2 CH.sub.2 OSO.sub.3 H, A is a divalent group, and X is halogen, quaternary ammonium, pyridinio, amino or a ##STR3## like group, which are useful for dyeing or printing fiber materials with superior dyeing performance.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: December 4, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masayuki Miki, Kingo Akahori, Yutaka Kayane, Naoki Harada, Takashi Omura
  • Patent number: 4933446
    Abstract: A dioxazine compound represented by the following formula in a free acid form, ##STR1## wherein R is halogeno, alkyl, alkoxy or sulfo, and W is ##STR2## wherein V is a direct linkage or ##STR3## in which R.sub.3 is hydrogen or alkyl, X is a direct linkage or an aliphatic, alicyclic, araliphatic or aromatic bridging group, Y is unsubstituted or substituted phenylene or naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or the like, Q is sulfo, hydroxy, halogeno, alkoxy, phenoxy or amino, and R.sub.1 and R.sub.2 independently of one another are each hydrogen or alkyl, which is useful for dyeing or printing fiber materials with advantages to give dyed or printed materials superior in fastness properties such as chlorine fastness.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: June 12, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hirokazu Sawamoto, Naoki Harada, Takashi Omura
  • Patent number: 4910298
    Abstract: A monoazo compound of the following formula, ##STR1## wherein D is sulfonaphthyl, sulfophenyl or carboxyphenyl, any one of A.sub.1 and A.sub.2 is sulfo and the other is hydrogen, methoxy or ethoxy, R.sub.1 and R.sub.2 are independently hydrogen or alkyl, B.sub.1 and B.sub.2 are independently phenylene or naphthylene, and Y.sub.1 and Y.sub.2 are independently vinyl, .beta.-sulfatoethyl or the like, which is useful for dyeing or printing fiber materials to give dyed or printed products of a deep color excellent in fastness properties.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: March 20, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazufumi Yokogawa, Sadanobu Kikkawa, Naoki Harada, Takashi Omura
  • Patent number: 4904766
    Abstract: A monoazo compound represented by the following formula in a free acid form, ##STR1## wherein D is a sulfophenyl or sulfonaphthyl, R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen or alkyl; B.sub.1 and B.sub.2 are independently phenylene, naphthylene, or alkylene, provided that at least one of B.sub.1 and B.sub.2 is phenylene or naphthylene, Y.sub.1 and Y.sub.2 are independently vinyl or --CH.sub.2 CH.sub.2 Z in which Z is splittable by the action of an alkali, and n is 0 or 1, and the monoazo compound is useful for dyeing or printing fiber materials to obtain dyed or printed products of extremely deep scarlet color excellent in various fastness with superior build-up property.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: February 27, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazufumi Yokogawa, Toshihiko Morimitsu, Naoki Harada, Takashi Omura, Sadanobu Kikkawa
  • Patent number: 4880434
    Abstract: Dyed and finished products of cellulose fiber materials superior in fastness properties are obtained without change in color shade by finishing dyed products with a fixing agent or/and a finishing agent capable of bonding with cellulose through a bridge formation, the dyed products being obtained by dyeing cellulose fiber materials with a dye represented by the following formula in the free acid form, ##STR1## wherein A is phenylene or naphthylene, B is alkyl, alkenyl, phenyl, naphthyl or heterocyclic group, Me is metal ion, X is --O-- or ##STR2## Y is alkoxy, phenoxy or amino, Z is sulfo or the like water-solubility-imparting group, m and n are each 0 or an integer of 1 to 3, provided that the sum is 1 to 3, D is phenylene or naphthylene, Q is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is splittable group by the action of an alkali and R is hydrogen or alkyl.
    Type: Grant
    Filed: July 12, 1988
    Date of Patent: November 14, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Naoki Harada, Tetsuya Miyamoto, Kunihiko Imada, Takashi Omura
  • Patent number: 4880431
    Abstract: A monoazo compound of the following formula, ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen or alkyl, R.sub.4 is alkyl or carboxy, A is ##STR2## in which R.sub.5 is hydrogen, methyl, methoxy, ethoxy, sulfo or carboxy, X is hydrogen or sulfo, n is 0 or 1, and the asterisked linkage bonds to the azo group, B.sub.1 and B.sub.2 are independently phenylene or naphthylene, W is hydrogen, carbamoyl, sulfoalkyl, cyano, sulfo, chloro or bromo, and Y.sub.1 and Y.sub.2 are independently --CH.dbd.CH.sub.2, --CH.sub.2 CH.sub.2 OSO.sub.3 H or the like, which is useful for dyeing hydroxy group- or carbonamide group-containing materials in a deep yellow color excellent in various fastness properties such as light fastness, perspiration-light fastness and chlorine fastness.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: November 14, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazufumi Yokogawa, Naoki Harada, Takashi Omura
  • Patent number: 4879372
    Abstract: A triazine compound having a dye moiety, a sym-monohalotriazine moiety and an aminobenzoylamine moiety, which is represented, for example, by the following formula, ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen or alkyl, A is phenylene or naphthylene, D is a dye moiety, X is chloro or fluoro, Z is --SO.sub.2 CH.dbd.CH.sub.2, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or the like, and n is 0, 1 or 2, and which is useful for dyeing or printing fiber materials such as cellulose fiber materials with superior dye performance such as build-up property to give dyed or printed products excellent is fastness properties.
    Type: Grant
    Filed: November 6, 1987
    Date of Patent: November 7, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshihiko Morimitsu, Naoki Harada, Takashi Omura
  • Patent number: 4873321
    Abstract: A monoazo compound of the following formula, ##STR1## wherein A is phenyl or naphthyl, B.sub.1 and B.sub.2 are each phenylene or naphthylene, R.sub.1 is hydrogen, halogeno, alkyl, alkoxy, ureido or acylamino, R.sub.2 is hydrogen or takes together with R.sub.1 to form benzene, R.sub.3 is hydrogen, alkyl, alkoxy or sulfo, R.sub.4 and R.sub.5 are each hydrogen or alkyl, and Y.sub.1 and Y.sub.2 are each vinyl, sulfatoethyl or the like, which is useful for dyeing hydroxyl group-containing and amide-containing fiber materials to obtain dyed products of excellent fastness properties with excellent build-up property and reproducibility of dyeing irrespective of changes in dyeing temperatures, bath ratio or salt concentration in some degree.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: October 10, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takashi Omura, Sadanobu Kikkawa, Toshihiko Morimitsu, Naoki Harada, Tetsuya Miyamoto