Patents by Inventor Sunil Krzysztof Moorthi
Sunil Krzysztof Moorthi 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: 12240930Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.Type: GrantFiled: January 23, 2023Date of Patent: March 4, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Hideki Wasa, Haruka Saito, Sunil Krzysztof Moorthi, Futoshi Fujimura, Masahiko Okamoto, Emi Oniki, Kouichi Kizu, Jiacheng He
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Patent number: 12043684Abstract: The optical lens of the present invention contains a molded product constituted with a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin, and a constitutional unit (C) derived from an aromatic vinyl compound represented by a specific chemical formula.Type: GrantFiled: March 15, 2019Date of Patent: July 23, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Hideki Wasa, Sunil Krzysztof Moorthi, Haruka Saito, Futoshi Fujimura
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Publication number: 20240067763Abstract: The solid titanium catalyst component (I) of the present invention contains titanium, magnesium, halogen, and a cyclic multiple-ester-group-containing compound (a) represented by the following formula (1).Type: ApplicationFiled: August 26, 2021Publication date: February 29, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Takashi KIMURA, Makoto ISOGAI, Yasushi NAKAYAMA, Kenji MICHIUE, Takashi JINNAI, Wataru YAMADA, Shotaro TAKANO, Hiroshi TERAO, Takaaki YANO, Yoshiyuki TOTANI, Sunil Krzysztof MOORTHI, Takashi NAKANO
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Publication number: 20240067597Abstract: [Problem] To provide an internal donor component capable of producing, with high productivity, a propylene polymer having extremely high stereoregularity when used mainly as a solid titanium catalyst component. [Solution] A polyol ester compound having a specific polycyclic structure represented by formula (1). This ester compound is characterized in that sites including a C-R3 structure and a C-R4 structure satisfy a specific relationship.Type: ApplicationFiled: December 21, 2021Publication date: February 29, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Takaaki YANO, Wataru YAMADA, Shotaro TAKANO, Takashi KIMURA, Makoto ISOGAI, Takashi NAKANO, Sunil Krzysztof MOORTHI
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Publication number: 20240067764Abstract: A solid titanium catalyst component (I) for olefin polymer production contains titanium, magnesium, halogen, and a cyclic multiple-ester-group-containing compound (a) represented by the formula (1). Preferably, a propylene polymer that is obtained by the olefin polymerization method and has specific thermal properties as determined primarily by differential scanning calorimetry (DSC).Type: ApplicationFiled: December 21, 2021Publication date: February 29, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Takashi KIMURA, Makoto ISOGAI, Yasushi NAKAYAMA, Kenji MICHIUE, Takashi JINNAI, Wataru YAMADA, Shotaro TAKANO, Hiroshi TERAO, Takaaki YANO, Yoshiyuki TOTANI, Sunil Krzysztof MOORTHI, Takashi NAKANO
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Publication number: 20240025838Abstract: The ester compound of the present invention is represented by the following formula (1), wherein R1 to R24 are each independently a hydrogen atom, a halogen atom, a hydrocarbon group, or a hetero atom-containing hydrocarbon group; R1 to R10, R23, and R24 may be bonded to one another to form a ring or may form a multiple bond at which adjacent substituents are directly bonded; R11 to R24 may be bonded to one another to form a ring, or adjacent substituents may be bonded to one another to form a multiple bond; at least one set in R1 to R24 is bonded to one another to form a ring structure; n2 to n5 each independently represent an integer of 0 to 2; n1 and n6 each independently represent an integer of 0 or 1; and L1 and L2 are each independently a hydrocarbon group or a hetero atom-containing hydrocarbon group.Type: ApplicationFiled: August 26, 2021Publication date: January 25, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Wataru YAMADA, Takaaki YANO, Shotaro TAKANO, Takashi KIMURA, Makoto ISOGAI, Takashi NAKANO, Sunil Krzysztof MOORTHI
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Patent number: 11732075Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.Type: GrantFiled: November 27, 2018Date of Patent: August 22, 2023Assignee: MITSUI CHEMICALS, INC.Inventors: Hideki Wasa, Haruka Saito, Sunil Krzysztof Moorthi, Futoshi Fujimura, Masahiko Okamoto, Emi Oniki, Kouichi Kizu, Jiacheng He
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Publication number: 20230159684Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.Type: ApplicationFiled: January 23, 2023Publication date: May 25, 2023Applicant: MITSUI CHEMICALS, INC.Inventors: Hideki WASA, Haruka SAITO, Sunil Krzysztof MOORTHI, Futoshi FUJIMURA, Masahiko OKAMOTO, Emi ONIKI, Kouichi KIZU, Jiacheng HE
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Publication number: 20220064369Abstract: A cyclic olefin copolymer for a medical instrument has an aromatic ring and contains at least one structural unit (A) of the specific formulas (Ia), (II), and (III).Type: ApplicationFiled: December 17, 2019Publication date: March 3, 2022Applicant: MITSUI CHEMICALS, INC.Inventors: Jiacheng HE, Hideki WASA, Futoshi FUJIMURA, Haruka SAITO, Sunil Krzysztof MOORTHI
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Publication number: 20210024675Abstract: The optical lens of the present invention contains a molded product constituted with a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin, and a constitutional unit (C) derived from an aromatic vinyl compound represented by a specific chemical formula.Type: ApplicationFiled: March 15, 2019Publication date: January 28, 2021Applicant: MITSUI CHEMICALS, INC.Inventors: Hideki WASA, Sunil Krzysztof MOORTHI, Haruka SAITO, Futoshi FUJIMURA
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Publication number: 20200369812Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.Type: ApplicationFiled: November 27, 2018Publication date: November 26, 2020Applicant: MITSUI CHEMICALS, INC.Inventors: Hideki WASA, Haruka SAITO, Sunil Krzysztof MOORTHI, Futoshi FUJIMURA, Masahiko OKAMOTO, Emi ONIKI, Kouichi KIZU, Jiacheng HE
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Patent number: 8633290Abstract: An optical resin comprises a copolymer of 4-methyl-1-pentene and at least one monomer selected from the group consisting of 3-methyl-1-pentene, 3-methyl-1-butene and 4,4-dimethyl-1-pentene. The content of a constituent unit (a) derived from 4-methyl-1-pentene is equal to or more than 60 mol % and equal to or less than 99 mol %, and the total content of a constituent unit (b) derived from at least one monomer selected from the group consisting of 3-methyl-1-pentene, 3-methyl-1-butene and 4,4-dimethyl-1-pentene is equal to or more than 1 mol % and equal to or less than 40 mol %.Type: GrantFiled: July 13, 2009Date of Patent: January 21, 2014Assignees: Mitsui Chemicals, Inc., Sharp CorporationInventors: Satoshi Kawamoto, Kouichi Kizu, Sunil Krzysztof Moorthi, Akira Sakai
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Patent number: 8017705Abstract: Disclosed is a method for producing a syndiotactic propylene polymer having a syndiotactic pentad fraction (rrrr fraction) of not less than 85%, a melting point (Tm) within the range of 145-170° C. and a limiting viscosity [?] within the range of 0.1-10 dl/g by a solution polymerization method using a group 4 crosslinked metallocene compound, which is not accompanied by precipitation of a polymer (excluding white turbidity). Also disclosed is a production method which enables to continuously perform such a production.Type: GrantFiled: November 16, 2007Date of Patent: September 13, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Tomohiro Yamaguchi, Junpei Tanaka, Shiro Otsuzuki, Yasushi Tohi, Kouji Nagahashi, Nobukazu Yamahira, Shigenobu Ikenaga, Sunil Krzysztof Moorthi, Kazunori Kamio
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Patent number: 7902281Abstract: An object of the present invention is to provide a resin composition which is increased in heat resistance (high crystallinity) and transparency without impairing rigidity which a thermoplastic resin inherently has and a molded article containing the resin composition. A thermoplastic resin composition relating to the present invention includes a thermoplastic resin (A) and a crystal nucleating agent (B) composed of tris(amino acid ester)amides of trimesic acid. The crystal nucleating agent (B) is preferably tris(valine ester)amides of trimesic acid or tris(leucine ester)amides of trimesic acid, and the thermoplastic resin (A) is preferably a lactic acid resin and more preferably a polylactic acid.Type: GrantFiled: July 11, 2007Date of Patent: March 8, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Choujirou Higuchi, Tatsuhiro Urakami, Sunil Krzysztof Moorthi
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Publication number: 20100069588Abstract: It is an object of the present invention to provide a process for producing a syndiotactic propylene polymer with high polymerization activity and high efficiency by a solution polymerization method without deposition of polymers (excluding a white state), and a production process capable of conducting the above production continuously, provided that these processes could not be attained conventionally. The present invention is: a process for producing a syndiotactic propylene polymer having a syndiotactic pentad fraction (rrrr fraction), as measured by 13C-NMR, of at least 85%, a melting point (Tm), as measured by DSC, of from 145° C. to 170° C., and an intrinsic viscosity [?] of 0.1 to 10 dl/g, which process comprises a step (P1) of solution polymerizing propylene singly or propylene and at least one monomer selected from ethylene and an ?-olefin having 4 to 10 carbon atoms at a polymerization temperature (TR) of from 30° C. to 250° C.Type: ApplicationFiled: November 16, 2007Publication date: March 18, 2010Inventors: Tomohiro Yamaguchi, Junpei Tanaka, Shiro Otsuzuki, Yasushi Tohi, Kouji Nagahashi, Nobukazu Yamahira, Shigenobu Ikenaga, Sunil Krzysztof Moorthi, Kazunori Kamio
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Publication number: 20090186992Abstract: An object of the present invention is to provide a resin composition which is increased in heat resistance (high crystallinity) and transparency without impairing rigidity which a thermoplastic resin inherently has and a molded article containing the resin composition. A thermoplastic resin composition relating to the present invention includes a thermoplastic resin (A) and a crystal nucleating agent (B) composed of tris(amino acid ester)amides of trimesic acid. The crystal nucleating agent (B) is preferably tris(valine ester)amides of trimesic acid or tris(leucine ester)amides of trimesic acid, and the thermoplastic resin (A) is preferably a lactic acid resin and more preferably a polylactic acid.Type: ApplicationFiled: July 11, 2007Publication date: July 23, 2009Applicant: Mitsui Chemicals, IncInventors: Choujirou Higuchi, Tatsuhiro Urakami, Sunil Krzysztof Moorthi