Patents by Inventor Hiroomi Abe

Hiroomi Abe 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: 5635570
    Abstract: A resin composition prepared by simultaneously melting and kneading (A) a polyphenylene ether resin, (B) a polyarylene sulfide resin and (C) a functional compound having a bond or a functional group selected from the group consisting of non-aromatic carbon-carbon multiple bond, oxirane group and derived-carboxyl group and subsequently mixing thereinto (D) a polar compound having, in on molecule, at least two polar groups selected from the group consisting of derived-carboxyl group, derived-hydroxyl group, derived-amino group, derived-mercapto group, derived-sulfonic acid group, oxazoline group, cyanamide group, isocyanate group and oxirane group, provided that at least one of the polar groups is different from at least one of the functional groups which the functional compound (C) has.
    Type: Grant
    Filed: August 15, 1994
    Date of Patent: June 3, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
  • Patent number: 5587427
    Abstract: A resin composition prepared by melting and kneading (A) a thermoplastic resin comprising a polyolefin resin together with (B) a functional compound having one or more bond(s) or one or more functional group(s) selected from the group consisting of non-aromatic carbon-carbon multiple bonds, oxirane groups and substituted carboxyl groups, and subsequently mixing thereinto (C) a polar compound having in one molecule one or more polar group(s) selected from the group consisting of substituted carboxyl groups, substituted hydroxyl groups, substituted amino groups, substituted mercapto groups, substituted sulfonic acid groups, oxazoline groups, isocyanato groups and oxirane groups, provided that at least one of the polar groups of (C) is different from at least one of the functional groups of the functional compound (B), as well as a process for producing said resin composition.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 24, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
  • Patent number: 5585437
    Abstract: The present invention relates to a thermoplastic resin composition which comprises (C) 0.1 through 30 parts by weight of an adduct of alkylene oxide with a saponified copolymer of ethylene and vinyl ester of saturated carboxylic acid based on 100 parts by weight of a mixture of a crystalline thermoplastic resin (A) and a polyphenylene ether resin (B).In the resin composition, the crystalline thermoplastic resin (A) forms a continuous phase and the polyphenylene ether resin (B) forms a dispersed phase.The present invention provides a novel thermoplastic resin composition containing a polyphenylene ether resin, which has excellent flow properties, impact resistance and heat resistance.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: December 17, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tadayuki Ohmae, Sumio Hara, Hiroomi Abe, Kenji Nagaoka
  • Patent number: 5559185
    Abstract: A thermoplastic resin composition superior in impact resistance, heat resistance, flexural rigidity, processability and solvent resistance which comprises: (A) 100 parts by weight of a resin composition comprising 5-95% by weight of a polyphenylene ether, or a polyphenylene ether and polystyrene, and 95-5% by weight of a polyamide resin; (B) 5-50 parts by weight of a modified saturated rubber obtained by grafting 5-100 parts by weight of an aromatic vinyl compound on 100 parts by weight of a saturated type rubber and allowing 0.05-10 parts by weight of a compatibilizing agent to react with said rubber; and (c) 0.05-20 parts by weight of a compatibilizing agent.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: September 24, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Taichi Nishio, Yasurou Suzuki, Mitsuji Tsuji, Takashi Sanada
  • Patent number: 5484824
    Abstract: A thermoplastic resin composition which contains a resin composition containing a crystalline polypropylene component, an ethylene-butene-1 copolymer rubber and an ethylene-propylene copolymer rubber; a modified polypropylene; a saturated polyester resin; and an epoxy group-containing copolymer; and optionally talc exhibits high low-temperature impact strength, stiffness and Rockwell hardness and a small coefficient of linear expansion, which composition gives an injection-molded article suitably used for a bumper for automobile.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: January 16, 1996
    Assignees: Sumitomo Chemical Company, Limited, Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Takeyoshi Nishio, Takao Nomura
  • Patent number: 5475054
    Abstract: A resin composition comprising (A) a polyphenylene ether resin, (B) a polyolefin resin, and optionally (C) an elastomer, and (D) an aliphatic polycarboxylic acid derivative represented by the following general formula:(R.sub.1 O).sub.m R(COOR.sub.2).sub.n (CORN.sub.3 R.sub.4).sub.swherein R represents a saturated hydrocarbon group having 2 to 20 carbon atoms with a linear or branched chain; R.sub.1 represents a hydrogen atom or an alkyl, aryl, acyl or carbonyldioxy group having 1 to 10 carbon atoms; each R.sub.2 represents a hydrogen atom or an alkyl or aryl group having 1 to 20 carbon atoms; R.sub.3 and R.sub.4 each represents a hydrogen atom or an alkyl or aryl group having 1 to 10 carbon atoms; m represents a number equal to 1 or 2; (n+s) is larger than or equal to 2 and, n and s are each larger than or equal to 0; (OR.sub.1) is in an alpha or beta position with respect to a carbonyl group, and in which at least two carbonyl groups are separated by 2 to 6 carbon atoms.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: December 12, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
  • Patent number: 5451642
    Abstract: A thermoplastic resin composition containing a polyamide resin composition (C) consisting of a polyamide resin (A) and another thermoplastic resin (B) and at least one modifier (D) is excellent in coatability, mechanical properties, linear expansion coefficient and appearance, can be molded into an article which comprises the polyamide resin (C), wherein the ratio of the percent occupied area of the polyamide resin on the surface of the article to the weight percentage of the polyamide in the polyamide resin composition (C) is not less than 1.2, and/or the ratio of the percent concentration of the polyamide resin on the surface of the article determined on the basis of the nitrogen concentration on the surface of the article to the weight percentage of the polyamide in the polyamide resin composition (C) is not less than 1,2, which article is suited for electric and electronic parts and automobile parts such as a bumper, fender and wheel cover.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: September 19, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Takeshi Fujii, Kiyoshi Mitsui, Hideo Shinonaga, Satoru Sogabe, Satoru Hosoda, Keitaro Kojima
  • Patent number: 5428091
    Abstract: A thermoplastic resin composition which comprises 100 parts by weight of a composition comprising 95-5 % by weight of at least one polyolefinresin (A) selected from homopolymers of ethylene or .alpha.-olefin or copolymers thereof and these homopolymers or copolymers modified with a polyfunctional compound (E) and/or an unsaturated monomer (L) and 5-95 % by weight of at least one polyphenylene-ether-resin (B) selected from polyphenylene ether, modified polyphenylene ether with the above (E) and/or (L) and a composition comprising the polyphenylene or modified polyphenylene ether and an aromatic vinyl polymer resin (M) and 0.001-10 parts by weight of a dinitrodiamine (D) of the following formula (I). ##STR1## (wherein X represents a divalent chain aliphatic group, a cyclic aliphatic group or an aromatic group which may contain a halogen or an oxygen atom, R.sup.1 represents a hydrogen atom, a chain aliphatic group, a cyclic aliphatic group or an aromatic group and when both of X and R.sup.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: June 27, 1995
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinichi Yachigo, Hideo Nagasaki, Naoki Inui
  • Patent number: 5420201
    Abstract: A thermoplastic resin composition exhibiting excellent processability and producing remarkable advantages in that it gives far better physical properties than that expected from each polymer which constitutes the thermoplastic resin composition. The composition can be easily processed into molded articles, films and sheets and can give products which have well-balanced properties among stiffness, heat resistance, impact resistance, scratch resistance, coatability, oil-resistance, chemical resistance, water resistance, etc. and which are excellent in appearance, uniformity and smoothness.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: May 30, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinji Date
  • Patent number: 5385976
    Abstract: A thermoplastic resin composition comprising a modified polyphenylene ether to which an amino group-containing monomer such as amino styrene is grafted and a propylene polymer which is modified with a compound having a functional group reactive with an amino group in a molecule. This composition is excellent in heat resistance, chemical resistance, impact resistance and appearance and used to produce a part which is required to have strength and heat resistance such as an automobile part.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: January 31, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto
  • Patent number: 5300568
    Abstract: A thermoplastic resin composition which comprises 100 parts by weight of a composition comprising 95-5% by weight of at least one polyolefin-resin (A) selected from homopolymers of ethylene or .alpha.-olefin or copolymers thereof and these homopolymers or copolymers modified with a polyfunctional compound (E) and/or an unsaturated monomer (L) and 5-95% by weight of at least one polyphenylene-ether-resin (B) selected from polyphenylene ether, modified polyphenylene ether with the above (E) and/or (L) and a composition comprising the polyphenylene or modified polyphenylene ether and an aromatic vinyl polymer resin (M) and 0.001-10 parts by weight of a dinitrodiamine (D) of the following formula (I). ##STR1## (wherein X represents a divalent chain aliphatic group, a cyclic aliphatic group or an aromatic group which may contain a halogen or an oxygen atom, R.sup.1 represents a hydrogen atom, a chain aliphatic group, a cyclic aliphatic group or an aromatic group and when both of X and R.sup.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: April 5, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinichi Yachigo, Hideo Nagasaki, Naoki Inui
  • Patent number: 5296273
    Abstract: A method for coating a polypropylene resin molding is disclosed, comprising irradiating the surface of a molding of a polypropylene resin selected from a polypropylene and a propylene-ethylene block copolymer with an ultraviolet light having an irradiating wavelength in the region of 300 nm or less, coating the irradiated surface with a primer, and further coating the coated surface with a coating material. A method for coating a polypropylene resin molding is also disclosed, comprising coating the surface of a molding of a polypropylene resin selected from a polypropylene and a propylene-ethylene block copolymer with a primer, irradiating the coated surface with an ultraviolet light having an irradiating wavelength in the region of 300 nm or less, and further coating the irradiated surface with a coating material.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: March 22, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Hideo Shinonaga, Kyoji Suzuki, Satoru Sogabe
  • Patent number: 5280060
    Abstract: A thermoplastic resin composition comprises:100 parts by weight of at least one polyamide resin, and0.01 to 20 parts by weight of at least one fluidity modifier selected from the group consisting of:Succinic anhydride,hexamethylenetetramine and1,12-diaminododecane.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: January 18, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Takeshi Fujii, Kiyoshi Mitsui
  • Patent number: 5278233
    Abstract: The thermoplastic resin composition disclosed herein comprises:(1) a resin composition consisting of(i) at least one member selected from the group consisting of(a) a modified polypropylene to which has been graft copolymerized an unsaturated carboxylic acid or the derivative thereof,(b) a modified polypropylene to which have been graft comodified an unsaturated aromatic monomer and either an unsaturated carboxylic acid or the derivative thereof,(c) a mixture of the modified polypropylene (a) and a polypropylene,(d) a mixture of the modified polypropylene (b) and a polypropylene,(e) a modified mixture of a polypropylene and a rubbery substance to which mixture has been graft copolymerized an unsaturated carboxylic acid or the derivative thereof,(f) a modified mixture of a polypropylene and a rubbery substance to which mixture have been graft copolymerized an unsaturated aromatic monomer and either an unsaturated carboxylic acid or the derivative thereof,(g) a mixture of the modified mixture (e) and a polyprop
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: January 11, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinji Date
  • Patent number: 5218048
    Abstract: A resin composition comprising (A) a thermoplastic resin, (B) a functional compound having one or more bonds or one or more functional groups selected from the group consisting of organic groups having a non-aromatic carbon-carbon multiple bonds, oxirane groups and substituted carboxyl groups and (C) a diamino compound represented by the following general formula:R.sup.I NH--X--NHR.sup.IIwherein R.sup.I and R.sup.II each represents a hydrogen atom or an alkyl group optionally having one or more inactive substituents, and X represents an alkylene group having 7 to 30 carbon atoms and optionally having one or more inactive substituents.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: June 8, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
  • Patent number: 5212256
    Abstract: The present invention provides a thermoplastic resin composition which is improved in compatibility between polyphenylene ether and polyamide and is excellent in processability and impact strength. This composition comprises:(A) 100 parts by weight of a composition comprising 95-5% by weight of a polyphenylene ether obtained by oxidation polymerization of one or more of phenol compounds represented by the following formula: ##STR1## (wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 which may be identical or different, each represents a hydrogen atom, a halogen atom, a hydrocarbon radical or a substituted hydrocarbon radical and at least one of them is a hydrogen atom) and 5-95% by weight of a polyamide,(B) 0-30 parts by weight of an impact strength modifier, and(C) 0.01-10 parts by weight of an amino resin obtained by modifying with an alcohol an addition reaction product of formaldehyde and at least one compound selected from the group consisting of melamine, guanamine and urea.
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: May 18, 1993
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yukio Mizuno, Takashi Maruyama, Hiroomi Abe, Yutaka Terada
  • Patent number: 5189103
    Abstract: A resin composition prepared by melting and kneading (A) a polyphenylene ether resin, (B) a polyolefin resin and (D) a functional compound simultaneously having (i) non-aromatic carbon-carbon multiple bond(s) and (ii) at least one functional group selected from the group consisting of substituted carboxyl groups, substituted hydroxyl groups, substituted amino groups, substituted silyl groups, substituted mercapto groups, substituted sulfonic acid groups and oxirane groups, or by melting and kneading (A) a polyphenylene either resin, (B) a polyolefin resin, (C) an elastomer and (D) a functional compound as mentioned above.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: February 23, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
  • Patent number: 5185188
    Abstract: A method for surface treating a resin composition molded article and a method for coating a resin composition molded article are disclosed, which comprise irradiating a molded article with ultraviolet light having an irradiation wavelength in the region of 300 nm or less and, if desired, coating the thus UV-irradiated surface with a coating, the molded article being obtained from a resin composition comprising (I) 100 parts by weight of a resin composition comprising (A) from 5 to 99.5% by weight of a polypropylene resin selected from the group consisting of polypropylene, modified polypropylene, and a modified polypropylene/polypropylene composition and (B) from 0.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: February 9, 1993
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Hiroomi Abe, Hideo Shinonaga, Kiyoshi Mitsui, Satoru Sogabe
  • Patent number: 5182336
    Abstract: The present invention provides a thermoplastic resin composition which comprises:(i) at least one compatibilizing agent in an amount effective for compatibilization,(ii) (A) a polyphenylene ether in an amount of about 40-100% by weight based on the total amount of (A) and (B) and(B) a homopolymer of alkenyl aromatic compound or a random copolymer of alkenyl aromatic compound and unsaturated compound in an amount of 0-about 60% by weight based on the total amount of (A) and (B), the total amount of (A) and (B) being about 10% by weight or more based on total amount of all polymer components,(iii) at least one polyamide in an amount more than the amount required for forming a continuous phase, and(iv) a compound having a molecular weight of 2,000 or less, containing nitrogen element, and having ring opening or condensation polymerizability or reactivity with acid or amine.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: January 26, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Kenji Nagaoka, Taichi Nishio, Hideo Shinonaga, Takashi Sanada
  • Patent number: 5180764
    Abstract: A thermoplastic resin is stabilized by incorporating therein a dinitrodiamine compound represented by the formula of ##STR1## wherein X is a divalent aliphatic, alicyclic or aromatic group which may contain halogen or oxygen in the group, R.sup.1 is hydrogen or an aliphatic, alicyclic or aromatic group, provided that two nitrogen atoms linking through X may further link through R.sup.1 when both X and R.sup.1 are the aliphatic groups, and R.sup.2 and R.sup.3 independently of one another are each hydrogen or an alkyl of 1 to 12 carbon atoms, provided that R.sup.2 and R.sup.3 may conjointly form a ring. The composition thus blended is improved in thermal processing stability. Further, a modified polyolefin resin is improved in mechanical properties, particularly in impact strength, by the incorporation of the dinitrodiamine compound.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: January 19, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hideo Nagasaki, Naoki Inui, Shinichi Yachigo, Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto