Patents by Inventor Tomoko Abe
Tomoko 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).
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Patent number: 11851560Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and an inorganic filler blended into the polycarbonate-based resin, wherein a ratio of the filler in 100 mass % of a total amount of the polycarbonate-based resin and the filler is from 0.Type: GrantFiled: March 1, 2018Date of Patent: December 26, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe
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Patent number: 11697708Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: GrantFiled: March 1, 2018Date of Patent: July 11, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Takafumi Akimoto
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Patent number: 11352478Abstract: A flame-retardant polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a flame retardant, wherein the flame retardant is in an amount of from 0.Type: GrantFiled: March 1, 2018Date of Patent: June 7, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Yohei Koori
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Patent number: 11186714Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a styrene-based resin blended into the polycarbonate-based resin, wherein a ratio of the polycarbonate-based resin in 100 mass % of a total amount of the polycarbonate-based resin and the styrene-based resin is from 50 mass % or more to 99 mass % or less: (1) the polycarbonate-based resin contains a polycarbonate-polyorganosiloxane copolymer containing a polycarbonate block formed of a specific repeating unit and a polyorganosiloxane block containing a specific repeating unit, and an aromatic polycarbonate-based resin except the polycarbonate-polyorganosiloxane copolymer; and (2) the polycarbonate-based resin has a structure in which a domain containing the polyorganosiloxane block is present in a matrix containing the aromatic polycarbonate-based resin as a main component, and a domain containing at least one selected from a block derived from the aromatic polycarbonate-based resin and theType: GrantFiled: March 1, 2018Date of Patent: November 30, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Yohei Koori
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Patent number: 11155712Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: GrantFiled: March 1, 2018Date of Patent: October 26, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Takafumi Akimoto
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Publication number: 20210284838Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and an inorganic filler blended into the polycarbonate-based resin, wherein a ratio of the filler in 100 mass % of a total amount of the polycarbonate-based resin and the filler is from 0.Type: ApplicationFiled: March 1, 2018Publication date: September 16, 2021Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE
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Patent number: 11111386Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: GrantFiled: March 1, 2018Date of Patent: September 7, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Takafumi Akimoto
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Patent number: 11091637Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: GrantFiled: March 1, 2018Date of Patent: August 17, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Takafumi Akimoto
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Patent number: 11072703Abstract: Provided is a polycarbonate-based resin composition, including: 50 mass % or more to 99 mass % or less of a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) containing a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit, and an aromatic polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A); and 1 mass % or more to 50 mass % or less of a polyester-based resin (C), wherein the polyorganosiloxane block (A-2) has an average chain length of from 50 or more to 500 or less.Type: GrantFiled: March 1, 2018Date of Patent: July 27, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe, Yohei Koori
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Patent number: 10934392Abstract: Provided is a polyorganosiloxane, wherein a value obtained by integrating dw/d log(M) from 2.5?log(M)?3.1 is 0 to 10% of a value obtained by integrating dw/d log(M) over the entire range of log (M) in a differential molecular weight distribution curve, wherein the differential molecular weight distribution curve is determined by gel permeation chromatography using the polystyrene calibration curve, has an x-axis showing a logarithmic value log(M) of a molecular weight M and has a y-axis showing dw/d log(M) obtained by differentiating a concentration fraction w with respect to the logarithmic value log(M) of the molecular weight.Type: GrantFiled: November 6, 2018Date of Patent: March 2, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro Ishikawa, Tomoko Abe
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Patent number: 10550229Abstract: Provided is a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A) containing a specific polycarbonate block (A-1) and a specific polyorganosiloxane block (A-2); and an aromatic polycarbonate-based resin (B) except the copolymer (A), the polycarbonate-based resin composition having a structure in which a domain (d-1) containing the polyorganosiloxane block (A-2) is present in a matrix containing the resin (B) as a main component, and a domain (d-2) containing at least one selected from a block derived from the aromatic polycarbonate-based resin (B) and the polycarbonate block (A-1) is present inside the domain (d-1).Type: GrantFiled: August 29, 2016Date of Patent: February 4, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoko Abe, Yasuhiro Ishikawa, Makoto Ando, Hiroshi Yamaguchi
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Publication number: 20200010672Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a styrene-based resin blended into the polycarbonate-based resin, wherein a ratio of the polycarbonate-based resin in 100 mass % of a total amount of the polycarbonate-based resin and the styrene-based resin is from 50 mass % or more to 99 mass % or less: (1) the polycarbonate-based resin contains a polycarbonate-polyorganosiloxane copolymer containing a polycarbonate block formed of a specific repeating unit and a polyorganosiloxane block containing a specific repeating unit, and an aromatic polycarbonate-based resin except the polycarbonate-polyorganosiloxane copolymer; and (2) the polycarbonate-based resin has a structure in which a domain containing the polyorganosiloxane block is present in a matrix containing the aromatic polycarbonate-based resin as a main component, and a domain containing at least one selected from a block derived from the aromatic polycarbonate-based resin and theType: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Yohei KOORI
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Publication number: 20200010681Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
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Publication number: 20200010615Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
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Publication number: 20200010683Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
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Publication number: 20200010671Abstract: Provided is a polycarbonate-based resin composition, including: 50 mass % or more to 99 mass % or less of a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) containing a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit, and an aromatic polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A); and 1 mass % or more to 50 mass % or less of a polyester-based resin (C), wherein the polyorganosiloxane block (A-2) has an average chain length of from 50 or more to 500 or less.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Yohei KOORI
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Publication number: 20200010614Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
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Publication number: 20200010641Abstract: A flame-retardant polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a flame retardant, wherein the flame retardant is in an amount of from 0.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Yohei KOORI
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Patent number: 10494487Abstract: Provided is a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A) containing a specific polycarbonate block (A-1) and a specific polyorganosiloxane block (A-2); and an aromatic polycarbonate-based resin (B) except the copolymer (A), the polycarbonate-based resin composition having a structure in which a domain (d-1) containing the polyorganosiloxane block (A-2) is present in a matrix containing the resin (B) as a main component, and a domain (d-2) containing at least one selected from a block derived from the aromatic polycarbonate-based resin (B) and the polycarbonate block (A-1) is present inside the domain (d-1).Type: GrantFiled: August 29, 2016Date of Patent: December 3, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoko Abe, Yasuhiro Ishikawa, Makoto Ando, Hiroshi Yamaguchi
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Patent number: 10472518Abstract: Provided is a method of producing a polycarbonate-polyorganosiloxane copolymer, including a step (Q) of causing a polycarbonate oligomer and at least one of polyorganosiloxanes represented by the following general formulae (i) to (iii) to react with each other in an organic solvent, in which in the step, a solid content weight x (g/L) of the polycarbonate oligomer in 1 L of a mixed solution of the organic solvent and the polycarbonate oligomer, a concentration y (mass %) of the polyorganosiloxane in the polycarbonate-polyorganosiloxane copolymer to be obtained, and a chain length n of the polyorganosiloxane satisfy specific conditions.Type: GrantFiled: August 29, 2016Date of Patent: November 12, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoko Abe, Yasuhiro Ishikawa, Yohei Koori, Masaru Nakagawa