Patents by Inventor Yasuharu SHIMAZAKI
Yasuharu SHIMAZAKI 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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Publication number: 20230399472Abstract: To provide a mixed composition which is capable of forming a film excellent in liquid-repellent property (water-repellent property in particular) and furthermore which is excellent in storage stability and is capable of forming a film excellent in liquid-repellent property (water-repellent property in particular) even if stored for a long period of time and then formed into a film. To further provide a film obtained by curing the mixed composition, and glass having the film. A mixed composition of a compound (A1) represented by formula (a1), an organosilicon compound (B) represented by formula (b1), and a solvent (E), wherein the solvent (E) comprises a compound (E1) satisfying a Hansen solubility parameter of 18 (J/cm3)1/2 or more and 23.5 (J/cm3)1/2 or less and a hydrogen bonding term (?H) of the Hansen solubility parameter, of 5.5 (J/cm3)1/2 or more.Type: ApplicationFiled: December 2, 2021Publication date: December 14, 2023Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuharu SHIMAZAKI, Michiru DAIMON
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Publication number: 20230028232Abstract: A curable composition comprising a condensate having an alkyl group having 6 to 30 carbon atoms, wherein the curable composition has at least one peak with a concentration fraction of 250000 or more in a range where the molecular weight in terms of standard polyethylene glycol is 500 or more and 2000 or less in a differential molecular weight distribution curve determined from a chromatogram obtained by GPC chromatography.Type: ApplicationFiled: December 23, 2020Publication date: January 26, 2023Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Michiru DAIMON, Yasuharu SHIMAZAKI
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Publication number: 20230027696Abstract: A mixed composition of a compound (A1) represented by formula (a1), an organosilicon compound (B) represented by formula (b1), and an organosilicon compound (C) represented by formula (c1), wherein the mass ratio [A1/(B+C)] of the compound (A1) to the total amount of the organosilicon compound (B) and the organosilicon compound (C) is 0.060 or more.Type: ApplicationFiled: March 8, 2021Publication date: January 26, 2023Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuharu SHIMAZAKI, Michiru DAIMON, Tomonori MIYAMOTO
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Publication number: 20220267569Abstract: The present invention includes a mixed composition of an organosilicon compound (A) represented by formula (a1), an organosilicon compound (B) represented by formula (b1) and a curing inhibitor (C), and a mixed composition of the organosilicon compound (A) represented by formula (a1), the organosilicon compound (B) represented by formula (b1), the curing inhibitor (C) and water (D).Type: ApplicationFiled: June 11, 2020Publication date: August 25, 2022Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuharu SHIMAZAKI, Michiru UEHARA, Tomonori MIYAMOTO
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Patent number: 11203674Abstract: The object of the present invention is to attain both water/oil repellency and hardness. The transparent film of the present invention comprises: a polysiloxane backbone; and a first hydrocarbon chain-containing group bonded to a part of silicon atoms forcing the polysiloxane backbone, wherein the thickness of the transparent film is not less than 6 nm and not more than 50 nm.Type: GrantFiled: October 27, 2015Date of Patent: December 21, 2021Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuharu Shimazaki, Yoshihiro Harada, Ryu Takeko, Atsushi Hozumi, Chihiro Urata
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Patent number: 11136473Abstract: It is an object of the present invention to provide a coating film capable of realizing satisfactory sliding properties in addition to water- and oil-repellent properties and wear resistance evaluated by a static contact angle, and a coating composition for obtaining the coating film. The present invention is directed to a fluorine-containing coating film which has a root mean square roughness of less than 3.5 nm and has a perfluoropolyether structure. It is preferred that the coating film has a polysiloxane backbone and further has a structure in which a fluoroalkyl group is directly bonded to a silicon atom of the polysiloxane backbone, and that a sliding angle of 6 ?L of a water droplet is 24.3° or less, or a speed of 20 ?L of a water droplet sliding on a coating film inclined at 32° is 0.1 cm/second or more.Type: GrantFiled: January 10, 2017Date of Patent: October 5, 2021Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Sayaka Sakurai, Yasuharu Shimazaki, Hidekazu Yoshida
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Patent number: 10988634Abstract: A mixed composition comprising an organosilicon compound represented by the following formula (a1), a solvent, water, and a carboxylic acid compound, wherein a mass ratio of the water to the organosilicon compound is 30.0 or more. In the following formula (a1), a plurality of Aa1 each independently represent a hydrolyzable group, Za1 represents a hydrocarbon chain-containing group, x is 0 or 1. Ra10 represents an alkyl group having 6 to 20 carbon atoms in which a part of methylene groups may be replaced with an oxygen atom and one or more hydrogen atoms may be replaced with a fluorine atom, and Za1 and Ra10 may be the same or different.Type: GrantFiled: March 29, 2019Date of Patent: April 27, 2021Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Michiru Uehara, Tomonori Miyamoto, Yasuharu Shimazaki
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Publication number: 20200392373Abstract: A mixed composition comprising an organosilicon compound represented by the following formula (a1), a solvent, water, and a carboxylic acid compound, wherein a mass ratio of the water to the organosilicon compound is 30.0 or more. In the following formula (a1), a plurality of Aa1 each independently represent a hydrolyzable group, Za1 represents a hydrocarbon chain-containing group, x is 0 or 1. Ra10 represents an alkyl group having 6 to 20 carbon atoms in which a part of methylene groups may be replaced with an oxygen atom and one or more hydrogen atoms may be replaced with a fluorine atom, and Za1 and Ra10 may be the same or different.Type: ApplicationFiled: March 29, 2019Publication date: December 17, 2020Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Michiru UEHARA, Tomonori MIYAMOTO, Yasuharu SHIMAZAKI
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Patent number: 10759944Abstract: The object of the present invention is to provide a polydialkylsiloxane backbone containing film excellent in durability against hot water. The film of the present invention comprises a polydialkylsiloxane backbone, wherein the ratio of carbon atoms to silicon atoms (C/Si) is not less than 0.93 and less than 1.38 in terms of moles. In the film, the magnitude of a contact angle change ratio dW represented by a specific formula can be not less than ?10% provided that ?0 is an initial contact angle of water, and ?W is a contact angle of water on the film immersed in ion-exchanged water of 70° C. for 24 hours.Type: GrantFiled: April 26, 2017Date of Patent: September 1, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Sayaka Sakurai, Hidenori Hanaoka, Yasuharu Shimazaki
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Patent number: 10370546Abstract: The object of the present invention is to provide a water/oil-repellent coating composition for forming a film capable of attaining both water/oil repellency and abrasion resistance. The water/oil-repellent coating composition comprises: an organosilicon compound (A) and a metal compound (B), wherein at least one first hydrocarbon chain-containing group and at least one hydrolyzable group are bonded to a silicon atom in the organosilicon compound (A), where in at least one hydrolyzable group is bonded to a metal atom in the metal compound (B), wherein a second hydrocarbon chain-containing group having a length shorter than the length of the first hydrocarbon chain-containing group may be bonded to the metal atom in the metal compound (B), and wherein a molar ratio of the metal compound B) to the organosilicon compound (A) as metal compound (B)/organosilicon compound (A) is not less than 18 and not more than 48.Type: GrantFiled: October 27, 2015Date of Patent: August 6, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuharu Shimazaki, Sayaka Sakurai, Tomonori Miyamoto, Atsushi Hozumi, Chihiro Urata
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Publication number: 20190119502Abstract: The object of the present invention is to provide a polydialkylsiloxane backbone containing film excellent in durability against hot water. The film of the present invention comprises a polydialkylsiloxane backbone, wherein the ratio of carbon atoms to silicon atoms (C/Si) is not less than 0.93 and less than 1.38 in terms of moles. In the film, the magnitude of a contact angle change ratio dW represented by a specific formula can be not less than ?10% provided that ?0 is an initial contact angle of water, and ?W is a contact angle of water on the film immersed in ion-exchanged water of 70° C. for 24 hours.Type: ApplicationFiled: April 26, 2017Publication date: April 25, 2019Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Sayaka SAKURAI, Hidenori HANAOKA, Yasuharu SHIMAZAKI
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Patent number: 10246611Abstract: The object of present invention is to provide a transparent film which further improves a slip characteristic of waterdrop. The present invention is a transparent film having a polysiloxane backbone, the transparent film having a structure (a) in which a fluorine-containing group having a perfluoroalkyl group or a perfluoropolyether group on the free end side thereof is bonded to a silicon atom of the polysiloxane backbone, and the transparent film having a slip rate of 0.2 mm/s or more for a 120 ?l waterdrop on an 8° incline. In preferred embodiment, the fluorine-containing groups are bonded to some silicon atoms of the polysiloxane backbone in structure (a), and the transparent film has a structure (b) in which carbon fluoride-containing groups or hydrolysable silane oligomer residue are bonded to some of the remaining silicon atoms of the polysiloxane backbone.Type: GrantFiled: November 9, 2015Date of Patent: April 2, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yoshihiro Harada, Yasuharu Shimazaki, Tomonori Miyamoto
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Publication number: 20190048229Abstract: It is an object of the present invention to provide a coating film capable of realizing satisfactory sliding properties in addition to water- and oil-repellent properties and wear resistance evaluated by a static contact angle, and a coating composition for obtaining the coating film. The present invention is directed to a fluorine-containing coating film which has a root mean square roughness of less than 3.5 nm and has a perfluoropolyether structure. It is preferred that the coating film has a polysiloxane backbone and further has a structure in which a fluoroalkyl group is directly bonded to a silicon atom of the polysiloxane backbone, and that a sliding angle of 6 ?L of a water droplet is 24.3° or less, or a speed of 20 ?L of a water droplet sliding on a coating film inclined at 32° is 0.1 cm/second or more.Type: ApplicationFiled: January 10, 2017Publication date: February 14, 2019Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Sayaka SAKURAI, Yasuharu SHIMAZAKI, Hidekazu YOSHIDA
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Publication number: 20170313902Abstract: The object of the present invention is to provide a water/oil-repellent coating composition for forming a film capable of attaining both water/oil repellency and abrasion resistance. The water/oil-repellent coating composition comprises: an organosilicon compound (A) and a metal compound (B), wherein at least one first hydrocarbon chain-containing group and at least one hydrolyzable group are bonded to a silicon atom in the organosilicon compound (A), where in at least one hydrolyzable group is bonded to a metal atom in the metal compound (B), wherein a second hydrocarbon chain-containing group having a length shorter than the length of the first hydrocarbon chain-containing group may be bonded to the metal atom in the metal compound (B), and wherein a molar ratio of the metal compound B) to the organosilicon compound (A) as metal compound (B)/organosilicon compound (A) is not less than 18 and not more than 48.Type: ApplicationFiled: October 27, 2015Publication date: November 2, 2017Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Yasuharu SHIMAZAKI, Sayaka SAKURAI, Tomonori MIYAMOTO, Atsushi HOZUMI, Chihiro URATA
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Publication number: 20170313905Abstract: The object of present invention is to provide a transparent film which further improves a slip characteristic of waterdrop. The present invention is a transparent film having a polysiloxane backbone, the transparent film having a structure (a) in which a fluorine-containing group having a perfluoroalkyl group or a perfluoropolyether group on the free end side thereof is bonded to a silicon atom of the polysiloxane backbone, and the transparent film having a slip rate of 0.2 mm/s or more for a 120 ?l waterdrop on an 8° incline. In preferred embodiment, the fluorine-containing groups are bonded to some silicon atoms of the polysiloxane backbone in structure (a), and the transparent film has a structure (b) in which carbon fluoride-containing groups or hydrolysable silane oligomer residue are bonded to some of the remaining silicon atoms of the polysiloxane backbone.Type: ApplicationFiled: November 9, 2015Publication date: November 2, 2017Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yoshihiro HARADA, Yasuharu SHIMAZAKI, Tomonori MIYAMOTO
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Publication number: 20170313833Abstract: The object of the present invention is to attain both water/oil repellency and hardness. The transparent film of the present invention comprises: a polysiloxane backbone; and a first hydrocarbon chain-containing group bonded to a part of silicon atoms forcing the polysiloxane backbone, wherein the thickness of the transparent film is not less than 6 nm and not more than 50 nm.Type: ApplicationFiled: October 27, 2015Publication date: November 2, 2017Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Yasuharu SHIMAZAKI, Yoshihiro HARADA, Ryu TAKEKO, Atsushi HOZUMI, Chihiro URATA