Patents by Inventor Yasunori Sakano
Yasunori Sakano 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: 11897989Abstract: A fluorine-containing curable composition which contains, as essential components, component (A) that is composed of a compound which is a linear polymer having a fluoropolyether in the main chain, while having a trifluoromethyl group at one end of the molecular chain and two or more (meth)acryl groups at the other end, component (B) that is composed of a compound which is a linear polymer having a fluoropolyether in the main chain, while having two or more (meth)acryl groups at each end of the molecular chain, and which has four to ten (meth)acryl groups in each molecule on average, and component (C) that is composed of a non-fluorinated acrylic compound which contains no fluoropolyether structure, while having two or more (meth)acryl groups in each molecule on average; the total blending amount of component (A) and component (B) relative to 100 parts by mass of component (C) is from 0.Type: GrantFiled: May 26, 2020Date of Patent: February 13, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Yasunori Sakano
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Publication number: 20230014516Abstract: The present invention enables the achievement of a coating agent composition which contains a perfluoropolyether compound (A) of a specific structure, and dissolves into at least one volatile organic solvent that does not contain a fluorine atom without using a fluorine-containing solvent having a boiling point of 260° C. or less at atmospheric pressure by setting the content ratio of a non-functional perfluoropolyether compound (B) relative to a total of 100% by mole of the component (A) and the component (B) to less than 2.5% by mole, while forming a cured coating film by being rapidly cured on a base material, said cured coating film firmly adhering to the base material and exhibiting excellent water repellent oil repellent properties, sliding properties, mold releasability and the like.Type: ApplicationFiled: September 17, 2020Publication date: January 19, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tomoyuki ASAHI, Yasunori SAKANO
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Publication number: 20220389142Abstract: A fluoroacrylic compound of formula (1) which, when added to an actinic-ray-curable composition, can impart excellent liquid repellency, antifouling properties, and wear resistance. Y—Rf1—Z1-Q1-[Z2—X]a??(1) [Rf1 is a divalent perfluoropolyether group. Z1 is a divalent hydrocarbon group optionally containing O, N, or Si. Q1 is an (a+1)-valent linking group including a+1 or more Si atoms. Z2 is a divalent alkylene ether group. X is H or a monovalent organic group having an (?-substituted) acryl group, and at least one of the X moieties is a monovalent organic group having an (?-substituted) acryl group. Symbol a is 1-10. Y is F or —Z1-Q1-[Z2—X]a. All of the Z1 moiety and the a Z2 moieties within the [ ] have been bonded to the Si atoms contained in the Q1 and the molecule has no urethane bond therein.Type: ApplicationFiled: June 22, 2020Publication date: December 8, 2022Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Seiya MORI, Yasunori SAKANO
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Publication number: 20220340716Abstract: This fluorine-containing curable composition comprises a curable component (A) that provides a cured product under the effect of heat or moisture, and a surface-modifying component (B) that contains a perfluoropolyether compound (b1) having a prescribed structure. The perfluoropolyether compound (b1) in the surface-modifying component (B) is present at 0.005-50 mass parts per 100 mass parts of the curable component (A) excluding volatile components. The fluorine-containing curable composition can be cured by heat or moisture, can be coated on the surface of an article even not containing a fluorine-containing solvent, and can provide the cured product surface with excellent surface characteristics.Type: ApplicationFiled: September 17, 2020Publication date: October 27, 2022Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yasunori SAKANO, Tomoyuki ASAHI
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Publication number: 20220220262Abstract: A fluorine-containing curable composition which contains, as essential components, component (A) that is composed of a compound which is a linear polymer having a fluoropolyether in the main chain, while having a trifluoromethyl group at one end of the molecular chain and two or more (meth)acryl groups at the other end, component (B) that is composed of a compound which is a linear polymer having a fluoropolyether in the main chain, while having two or more (meth)acryl groups at each end of the molecular chain, and which has four to ten (meth)acryl groups in each molecule on average, and component (C) that is composed of a non-fluorinated acrylic compound which contains no fluoropolyether structure, while having two or more (meth)acryl groups in each molecule on average; the total blending amount of component (A) and component (B) relative to 100 parts by mass of component (C) is from 0.Type: ApplicationFiled: May 26, 2020Publication date: July 14, 2022Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Yasunori SAKANO
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Patent number: 9217059Abstract: An object of the present invention is to provide a method for efficiently and highly selectively preparing a composition comprising a perfluoropolyether having a carboxyl group at one terminal at a higher ratio. The present invention provides a method for increasing a ratio of a perfluoropolyether having a carboxyl group at one terminal, relative to a total amount of the perfluoropolyether having a carboxyl group at one terminal and a perfluoropolyether having carboxyl groups at both terminals in a composition comprising these perfluoropolyethers, wherein the method comprises a step of subjecting the composition to chromatography in which a moving phase is supercritical or subcritical state carbon dioxide of the specific temperature and the specific pressure, and a stationary phase is silica gel to thereby collect a fraction containing the perfluoropolyether having a carboxyl group at one terminal at a higher ratio.Type: GrantFiled: February 5, 2015Date of Patent: December 22, 2015Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yuji Yamane, Yasunori Sakano
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Publication number: 20150218311Abstract: An object of the present invention is to provide a method for efficiently and highly selectively preparing a composition comprising a perfluoropolyether having a carboxyl group at one terminal at a higher ratio. The present invention provides a method for increasing a ratio of a perfluoropolyether having a carboxyl group at one terminal, relative to a total amount of the perfluoropolyether having a carboxyl group at one terminal and a perfluoropolyether having carboxyl groups at both terminals in a composition comprising these perfluoropolyethers, wherein the method comprises a step of subjecting the composition to chromatography in which a moving phase is supercritical or subcritical state carbon dioxide of the specific temperature and the specific pressure, and a stationary phase is silica gel to thereby collect a fraction containing the perfluoropolyether having a carboxyl group at one terminal at a higher ratio.Type: ApplicationFiled: February 5, 2015Publication date: August 6, 2015Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Yuji YAMANE, Yasunori SAKANO
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Patent number: 8900711Abstract: A fluorooxyalkylene group-containing polymer composition including a liner fluorooxyalkylene group-containing polymer represented by the formula (1) which has a hydrolysable group at a terminal and is hereinafter called “one-terminal modified polymer”, and a liner fluorooxyalkylene group-containing polymer represented by the following formula (2) which has hydrolysable groups at the both terminals and is hereinafter called “both-terminal modified polymer”, wherein an amount of the both-terminal modified polymer is 0.1 mole % or more and less than 10 mole %, relative to a total mole of the one-terminal modified polymer and the both-terminal modified polymer.Type: GrantFiled: September 7, 2011Date of Patent: December 2, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yuji Yamane, Yasunori Sakano, Koichi Yamaguchi, Noriyuki Koike, Hirofumi Kishita
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Patent number: 8519078Abstract: A polyether-modified polysiloxane containing a perfluoropolyether group and its production method are provided. The polysiloxane has both the properties of a perfluoropolyether and the properties of a polyether-modified silicone, and it also has high affinity for organic solvents as well as coating compositions, cosmetics, and various coating materials. The polysiloxane is represented by the following general formula (1): wherein Rf is a perfluoroalkyl group; X is fluorine atom or trifluoromethyl group; Q is a divalent organic group, R is hydrogen atom, an alkyl group, or acyl group; R1 and R2 are an alkyl group, aryl group, or an aralkyl group; a, b, c, d are 0 to 200; a+b+c+d is at least 1; e is 0 or 1; p and q are 0 to 50 with the proviso that p+q is at least 2; and k is 1 to 3.Type: GrantFiled: June 27, 2011Date of Patent: August 27, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiromasa Yamaguchi, Yasunori Sakano
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Patent number: 8283480Abstract: The present invention relates to a photo-curable perfluoropolyether group-containing acrylate compound represented by the following formula (1): X1—[Z—Rf—Z—X2]v—Z—Rf—Z—X1??(1) wherein Rf is a divalent perfluoropolyether group; X1 is a group represented by the following formula (2): R2 is a group represented by the following formula (4): X2 is a group represented by the following formula (5): and Z is a divalent organic group.Type: GrantFiled: June 9, 2010Date of Patent: October 9, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasunori Sakano, Yuji Yamane, Noriyuki Koike, Hirofumi Kishita
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Patent number: 8247592Abstract: Disclosed is a method of storing a fluorine-containing disilanol compound represented by the following formula (3) in the presence of a tertiary amine in such an amount that a molar ratio of the tertiary amine to a silanol group of the fluorine-containing disilanol compound ranges from 0.001 to 20, HO—Z—R1—Rf—R1—Z—OH??(3) wherein Rf is a divalent fluorinated hydrocarbon group or a divalent fluorinated polyether group, R1 may be the same with or different from each other and is a substituted or unsubstituted divalent hydrocarbon group which may have at least one atom selected from the group consisting of oxygen, nitrogen, silicon, and sulfur atoms, and Z is a group represented by the following formula (2) —SiR2R3—??(2) wherein R2 and R3 may be the same with or different from each other and are monovalent organic groups.Type: GrantFiled: May 19, 2011Date of Patent: August 21, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasunori Sakano, Takashi Matsuda, Noriyuki Koike
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Patent number: 8247078Abstract: Photocurable fluorine compound, compatible with non-fluorine organic compounds, of formula (1), wherein: a is 1-4, b is 0-3, c is 1-4, provided that a+b+c is 3-5; e is 2-8; R1 has formula (2), (C4H8O)f(C3H6O)g(C2H4O)h(CH2O)iR3??(2) wherein f, g, h, and i are independently 0-100, and R1 has an MW of 30-3000, these repeating units may be sequenced at random, and R3 is C1-10 hydrocarbon; R2 is independently H, F, CH3, or CF3; Rf is a perfluoropolyether residue represented by the following formula (3), wherein j, k, l, and m are independently of each other integers of 0 to 50, provided that a molecular weight of Rf is in a range of 200 to 6000, X is F or CF3, and these repeating units may be sequenced at random; Z is a divalent organic group; and d is 0 or 1.Type: GrantFiled: July 28, 2009Date of Patent: August 21, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasunori Sakano, Noriyuki Koike
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Patent number: 8236195Abstract: A fluorine-containing curable composition containing (A) A fluorine-containing amino compound having primary or secondary amino groups at both ends, said compound being represented by the formula (1): Y-Q-Rf—(X—Rf)n-Q-Y??(1) wherein Rf is a divalent perfluorooxyalkylene group, each Q is independently a divalent organic group having 1 to 20 carbon atoms and, optionally, containing an oxygen atom and/or a nitrogen atom, X is a divalent organic group having 1 to 20 carbon atoms and, optionally, containing an oxygen atom and/or a nitrogen atom, Y is an organic group having a primary or secondary amino group and 1 to 20 carbon atoms and, optionally, containing an oxygen atom, and n is an integer of from 1 to 20, (B) An epoxy compound having at least two epoxy groups in a molecule, in an amount such that the amount of the epoxy groups is 0.Type: GrantFiled: January 9, 2009Date of Patent: August 7, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasunori Sakano, Noriyuki Koike
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Publication number: 20120077041Abstract: A fluorooxyalkylene group-containing polymer composition including a liner fluorooxyalkylene group-containing polymer represented by the formula (1) which has a hydrolysable group at a terminal and is hereinafter called “one-terminal modified polymer”, and a liner fluorooxyalkylene group-containing polymer represented by the following formula (2) which has hydrolysable groups at the both terminals and is hereinafter called “both-terminal modified polymer”, wherein an amount of the both-terminal modified polymer is 0.1 mole % or more and less than 10 mole %, relative to a total mole of the one-terminal modified polymer and the both-terminal modified polymer.Type: ApplicationFiled: September 7, 2011Publication date: March 29, 2012Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yuji Yamane, Yasunori Sakano, Koichi Yamaguchi, Noriyuki Koike, Hirofumi Kishita
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Publication number: 20110319581Abstract: A polyether-modified polysiloxane containing a perfluoropolyether group and its production method are provided. The polysiloxane has both the properties of a perfluoropolyether and the properties of a polyether-modified silicone, and it also has high affinity for organic solvents as well as coating compositions, cosmetics, and various coating materials. The polysiloxane is represented by the following general formula (1): wherein Rf is a perfluoroalkyl group; X is fluorine atom or trifluoromethyl group; Q is a divalent organic group, R is hydrogen atom, an alkyl group, or acyl group; R1 and R2 are an alkyl group, aryl group, or an aralkyl group; a, b, c, d are 0 to 200; a+b+c+d is at least 1; e is 0 or 1; p and q are 0 to 50 with the proviso that p+q is at least 2; and k is 1 to 3.Type: ApplicationFiled: June 27, 2011Publication date: December 29, 2011Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Hiromasa YAMAGUCHI, Yasunori SAKANO
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Publication number: 20110218351Abstract: Disclosed is a method of storing a fluorine-containing disilanol compound represented by the following formula (3) in the presence of a tertiary amine in such an amount that a molar ratio of the tertiary amine to a silanol group of the fluorine-containing disilanol compound ranges from 0.001 to 20, HO—Z—R1—Rf—R1—Z—OH??(3) wherein Rf is a divalent fluorinated hydrocarbon group or a divalent fluorinated polyether group, R1 may be the same with or different from each other and is a substituted or unsubstituted divalent hydrocarbon group which may have at least one atom selected from the group consisting of oxygen, nitrogen, silicon, and sulfur atoms, and Z is a group represented by the following formula (2) —SiR2R3—??(2) wherein R2 and R3 may be the same with or different from each other and are monovalent organic groups.Type: ApplicationFiled: May 19, 2011Publication date: September 8, 2011Inventors: Yasunori SAKANO, Takashi Matsuda, Noriyuki Koike
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Patent number: 7968741Abstract: A method of preparing a disilanol compound by hydrolyzing a dichlorosilane compound having Si—Cl bonds at both ends, characterized in that the method comprises the step of hydrolyzing the dichlorosilane compound in the presence of a tertiary amine compound.Type: GrantFiled: July 19, 2007Date of Patent: June 28, 2011Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasunori Sakano, Takashi Matsuda, Noriyuki Koike
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Publication number: 20100317875Abstract: The present invention relates to a photo-curable perfluoropolyether group-containing acrylate compound represented by the following formula (1): X1—[Z—Rf—Z—X2]v—Z—Rf—Z—X1??(1) wherein Rf is a divalent perfluoropolyether group; X1 is a group represented by the following formula (2): R2 is a group represented by the following formula (4): X2 is a group represented by the following formula (5): and Z is a divalent organic group.Type: ApplicationFiled: June 9, 2010Publication date: December 16, 2010Inventors: Yasunori Sakano, Yuji Yamane, Noriyuki Koike, Hirofumi Kishita
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Patent number: 7781604Abstract: The present invention is a fluorine-containing acrylate or alpha-substituted, fluorine-containing acrylate, represented by the following formula (1): wherein a is an integer of from 1 to 4 and b is an integer of from 1 to 4, provided that a total of a and b is 3, 4, or 5; R1 is a group represented by the following formula (2): —(C4H8O)d(C3H6O)e(C2H4O)f(CH2O)g—??(2) wherein d, e, f, and g are, independently of each other, an integer of from 0 to 4, provided that a molecular weight of R1 is in a range of 30 to 300, and these repeating units may be sequenced at random; R2 is an acryl group- or alpha-substituted acryl group-containing group having 4 to 20 carbon atoms and represented by the following formula (3): wherein R3 is, independently of each other, a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, R4 is a divalent or trivalent linking moiety having 1 to 18 carbon atoms, optionally having an ether bond and/or an ester bond, and n is 1 or 2; Rf is a perfluoropolType: GrantFiled: November 16, 2009Date of Patent: August 24, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasunori Sakano, Noriyuki Koike, Hirofumi Kishita
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Publication number: 20100147191Abstract: The present invention is a fluorine-containing acrylate or alpha-substituted, fluorine-containing acrylate, represented by the following formula (1): wherein a is an integer of from 1 to 4 and b is an integer of from 1 to 4, provided that a total of a and b is 3, 4, or 5; R1 is a group represented by the following formula (2): —(C4H8O)d(C3H6O)e(C2H4O)f(CH2O)g—??(2) wherein d, e, f, and g are, independently of each other, an integer of from 0 to 4, provided that a molecular weight of R1 is in a range of 30 to 300, and these repeating units may be sequenced at random; R2 is an acryl group- or alpha-substituted acryl group-containing group having 4 to 20 carbon atoms and represented by the following formula (3): wherein R3 is, independently of each other, a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, R4 is a divalent or trivalent linking moiety having 1 to 18 carbon atoms, optionally having an ether bond and/or an ester bond, and n is 1 or 2; Rf is a perfluoropolyetherType: ApplicationFiled: November 16, 2009Publication date: June 17, 2010Inventors: Yasunori SAKANO, Noriyuki Koike, Hirofumi Kishita