Patents Assigned to Nippon Paint Marine Coatings Co., Ltd.
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Patent number: 11905432Abstract: Provided is a coating composition containing a silicon atom-containing resin. The resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by formulae (I), (II), (III), and (IV), a constituent unit (B) derived from a monomer (b) which is a (meth)acrylic acid ester represented by a formula (b), and a constituent unit (C) derived from a monomer (c) other than the monomers (a) and (b). The monomer (a) has a molecular weight of greater than 2500. A content of the constituent unit (A) is greater than 20% by mass in all constituent units. The monomer (c) has a homopolymer solubility parameter SP of less than or equal to 9.5 and has no cyclic structure. A content of the unit (C) is greater than 2% by mass in all constituent units.Type: GrantFiled: June 28, 2022Date of Patent: February 20, 2024Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Yasuhisa Nagase, Tomoya Mori, Mamoru Shimada
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Publication number: 20230416565Abstract: Provided is a coating composition containing a silicon atom-containing resin. The resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by formulae (I), (II), (III), and (IV), a constituent unit (B) derived from a monomer (b) having a triorganosilyloxycarbonyl group, and a constituent unit (C) derived from a monomer (c) other than the monomers (a) and (b). The monomer (a) has a molecular weight of greater than 2500. The monomer (c) has a homopolymer solubility parameter SP of less than or equal to 9.5 and has no cyclic structure. A content of the unit (A) is greater than or equal to 11% by mass and a content of the unit (C) is from 1% by mass to 60% by mass in all constituent units.Type: ApplicationFiled: June 28, 2022Publication date: December 28, 2023Applicant: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Yasuhisa NAGASE, Tomoya Mori, Mamoru Shimada
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Publication number: 20230416568Abstract: Provided is a coating composition containing a silicon atom-containing resin. The resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by formulae (I), (II), (III), and (IV), a constituent unit (B) derived from a monomer (b) which is a (meth)acrylic acid ester represented by a formula (b), and a constituent unit (C) derived from a monomer (c) other than the monomers (a) and (b). The monomer (a) has a molecular weight of greater than 2500. A content of the constituent unit (A) is greater than 20% by mass in all constituent units. The monomer (c) has a homopolymer solubility parameter SP of less than or equal to 9.5 and has no cyclic structure. A content of the unit (C) is greater than 2% by mass in all constituent units.Type: ApplicationFiled: June 28, 2022Publication date: December 28, 2023Applicant: Nippon Paint Marine Coatings Co., Ltd.Inventors: Yasuhisa NAGASE, Tomoya Mori, Mamoru Shimada
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Patent number: 11472967Abstract: Provided is an antifouling coating composition containing a hydrolyzable resin (A), a first non-hydrolyzable resin (B), a second non-hydrolyzable resin (C), and an antifouling agent (D), in which a glass transition temperature TgB [° C.] and a solubility parameter SPB of the first non-hydrolyzable resin (B), and a glass transition temperature TgC [° C.] and a solubility parameter SPC of the second non-hydrolyzable resin (C) satisfy an expression [1]:TgB?TgC?60, an expression [2]:SPB ?9.5, an expression [3]:SPC?9.5, and an expression [4]:SPB?SPC|?1.0.Type: GrantFiled: May 19, 2021Date of Patent: October 18, 2022Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Wataru Kitamura, Soichiro Tomiyama, Yasuhisa Nagase
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Patent number: 11111406Abstract: Provided are a copolymer containing: a structural unit (A) derived from a polymerizable monomer (a) having a silicon atom-containing group represented by formula (1) [wherein R1, R2, and R3 each independently represent a hydrocarbon group having a carbon number of 1 to 6]; and a structural unit (B) derived from a polymerizable monomer (b) copolymerizable with the polymerizable monomer (a) with the content of the structural unit (A) being from 40 mass % to 80 mass % in 100 mass % of the copolymer, the content of the structural unit (B) being from 20 mass % to 60 mass % in 100 mass % of the copolymer, and an acid value derived from free carboxy group being from 0.1 KOHmg/g to 60 KOHmg/g; and an antifouling coating composition containing the copolymer.Type: GrantFiled: July 2, 2019Date of Patent: September 7, 2021Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Naoki Yamamori, Mamoru Shimada, Yasuhisa Nagase, Masayuki Matsuda
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Publication number: 20210024770Abstract: Provided are a copolymer containing: a structural unit (A) derived from a polymerizable monomer (a) having a silicon atom-containing group represented by formula (1) [wherein R1, R2, and R3 each independently represent a hydrocarbon group having a carbon number of 1 to 6]; and a structural unit (B) derived from a polymerizable monomer (b) copolymerizable with the polymerizable monomer (a) with the content of the structural unit (A) being from 40 mass % to 80 mass % in 100 mass % of the copolymer, the content of the structural unit (B) being from 20 mass % to 60 mass % in 100 mass % of the copolymer, and an acid value derived from free carboxy group being from 0.1 KOHmg/g to 60 KOHmg/g.; and an antifouling coating composition containing the copolymer.Type: ApplicationFiled: July 2, 2019Publication date: January 28, 2021Applicant: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Naoki YAMAMORI, Mamoru SHIMADA, Yasuhisa NAGASE, Masayuki MATSUDA
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Patent number: 10487216Abstract: Provided are a coating composition containing a silicon atom-containing resin and an anti-sagging agent, a coating film formed from the same, an in-water structure and a ship including the coating film. In the coating composition, the silicon atom-containing resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by the formula (I), the formula (II), the formula (III), and the formula (IV), the monomer (a) has a molecular weight of greater than or equal to 400 and less than or equal to 2500, and the content of the anti-sagging agent is greater than or equal to 0.7 parts by mass and less than or equal to 3.6 parts by mass with respect to 100 parts by mass of the silicon atom-containing resin.Type: GrantFiled: March 30, 2018Date of Patent: November 26, 2019Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Yusuke Takao, Tomohiro Tsuji, Wataru Kitamura, Yasuhisa Nagase, Hirokazu Kaji
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Publication number: 20190300725Abstract: Provided are a coating composition containing a silicon atom-containing resin and an anti-sagging agent, a coating film formed from the same, an in-water structure and a ship including the coating film. In the coating composition, the silicon atom-containing resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by the formula (I), the formula (II), the formula (III), and the formula (IV), the monomer (a) has a molecular weight of greater than or equal to 400 and less than or equal to 2500, and the content of the anti-sagging agent is greater than or equal to 0.7 parts by mass and less than or equal to 3.6 parts by mass with respect to 100 parts by mass of the silicon atom-containing resin.Type: ApplicationFiled: March 30, 2018Publication date: October 3, 2019Applicant: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Yusuke TAKAO, Tomohiro TSUJI, Wataru KITAMURA, Yasuhisa NAGASE, Hirokazu KAJI
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Patent number: 10376918Abstract: A method for forming a dry coating film on a surface of an object to be coated including the steps of: setting a dry coating film thickness T not smaller than 300 ?m; formulating or preparing a colored paint containing a binder resin and a color pigment and satisfying conditions that (a) a scaly pigment having a prescribed shape is further contained, (b) a content of the scaly pigment is from 5 to 45 volume % in components forming the coating film, (c) a coating film having the thickness T hides the surface, and (d) a color difference between the coating film having the thickness T and a coating film having a thickness of 0.7 T is not smaller than 2.0; coating the surface with the colored paint until the surface is hidden; and drying the coating film, as well as a paint used therefor are provided.Type: GrantFiled: May 20, 2015Date of Patent: August 13, 2019Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Hirokazu Kaji, Hideyuki Kondo, Atsuhiro Yamashita, Shinichi Ishihara
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Patent number: 10364370Abstract: Provided are a coating composition containing a silicon atom-containing resin and a defoaming agent, a coating film formed from the same, an in-water structure and a ship having the coating film. In the coating composition, the silicon atom-containing resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by the formula (I), the formula (II), the formula (III), and the formula (IV), the monomer (a) has a molecular weight of greater than or equal to 400 and less than or equal to 2500, and the content of the defoaming agent is greater than or equal to 0.7 parts by mass and less than or equal to 24 parts by mass with respect to 100 parts by mass of the silicon atom-containing resin.Type: GrantFiled: March 30, 2018Date of Patent: July 30, 2019Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Yusuke Takao, Tomohiro Tsuji, Wataru Kitamura, Yasuhisa Nagase, Hirokazu Kaji
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Patent number: 9845395Abstract: Provided are an antifouling coating composition that contains: a hydrolyzable resin having a specific silicon-containing group and a metal-atom-containing group containing a divalent metal atom M; and a thermoplastic resin and/or a plasticizer, wherein the total content of the thermoplastic resin and/or plasticizer per 100 parts by mass of the hydrolyzable resin is 3 to 100 parts by mass, an antifouling film, a composite film and an in-water structure such as a ship using the antifouling coating composition. The antifouling coating composition makes it possible to form a coating film that is excellent in crack resistance and exhibits a good antifouling property over a long period of time even when no antifouling agent is contained or the blending amount thereof is small.Type: GrantFiled: October 8, 2010Date of Patent: December 19, 2017Assignee: Nippon Paint Marine Coatings Co., Ltd.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama
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Patent number: 9695324Abstract: Provided is a method of forming an antifouling coating film including the steps of [1] preparing a colored antifouling paint containing a prescribed Si-containing hydrolyzable resin and a color pigment such that a coating film having a target dry film thickness T completely hides a surface of an object to be coated, the colored antifouling paint has a color difference ?E1 between the coating film having the thickness T and a coating film having a dry film thickness of 0.8 T, at least 2.0, and preferably the colored antifouling paint has a color difference ?E2 between the coating film having the thickness T and a coating film having a dry film thickness of 1.2 T, less than 1, and [2] coating a surface of the object with the colored antifouling paint until the surface of the object is completely hidden by the coating film formed from the colored antifouling paint.Type: GrantFiled: December 30, 2014Date of Patent: July 4, 2017Assignee: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama
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Publication number: 20160263617Abstract: A method for forming a dry coating film on a surface of an object to be coated including the steps of: setting a dry coating film thickness T not smaller than 300 ?m; formulating or preparing a colored paint containing a binder resin and a color pigment and satisfying conditions that (a) a scaly pigment having a prescribed shape is further contained, (b) a content of the scaly pigment is from 5 to 45 volume % in components forming the coating film, (c) a coating film having the thickness T hides the surface, and (d) a color difference between the coating film having the thickness T and a coating film having a thickness of 0.7 T is not smaller than 2.0; coating the surface with the colored paint until the surface is hidden; and drying the coating film, as well as a paint used therefor are provided.Type: ApplicationFiled: May 20, 2015Publication date: September 15, 2016Applicant: NIPPON PAINT MARINE COATINGS CO., LTD.Inventors: Hirokazu KAJI, Hideyuki KONDO, Atsuhiro YAMASHITA, Shinichi ISHIHARA
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Patent number: 8936854Abstract: Provided is a method of forming an antifouling coating film including the steps of [1] preparing a colored antifouling paint containing a prescribed Si-containing hydrolyzable resin and a color pigment such that a coating film having a target dry film thickness T completely hides a surface of an object to be coated, the colored antifouling paint has a color difference ?E1 between the coating film having the thickness T and a coating film having a dry film thickness of 0.8 T, at least 2.0, and preferably the colored antifouling paint has a color difference ?E2 between the coating film having the thickness T and a coating film having a dry film thickness of 1.2 T, less than 1, and [2] coating a surface of the object with the colored antifouling paint until the surface of the object is completely hidden by the coating film formed from the colored antifouling paint.Type: GrantFiled: June 14, 2011Date of Patent: January 20, 2015Assignee: Nippon Paint Marine Coatings Co., Ltd.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama
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Patent number: 8597795Abstract: Provided are an antifouling coating composition containing a hydrolyzable resin having a specific silicon-containing group and a triorganosilyl oxycarbonyl group, an antifouling film, a composite film and an in-water structure such as a ship using the same. The hydrolyzable resin may further have a specific metal-atom-containing group containing a divalent metal atom. By the antifouling coating composition, it is possible to form a coating film having excellent crack resistance, while exerting an excellent antifouling property for a long period of time even when no or a small amount of antifouling agent is contained.Type: GrantFiled: October 8, 2010Date of Patent: December 3, 2013Assignee: Nippon Paint Marine Coatings Co., Ltd.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama, Masahiro Anjiki
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Patent number: 8575232Abstract: Provided are coating composition containing an organic polymer particle (A) composed of an organic polymer having a hydroxyl group and a cationic group in a molecule, the weight average particle size of which being 10 to 35 ?m, and a base resin (B), wherein the content of the organic polymer particle (A) is 0.5 to 5.0% by weight in the solid content of the coating composition, and a method of producing the same, and a coating film and underwater structure using the coating composition.Type: GrantFiled: September 28, 2009Date of Patent: November 5, 2013Assignees: Nippon Paint Co., Ltd., Nippon Paint Marine Coatings Co., Ltd.Inventors: Naoki Yamamori, Hiroshi Tominaga, Mamoru Shimada
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Publication number: 20120294825Abstract: Provided is a method of forming an antifouling coating film including the steps of [1] preparing a colored antifouling paint containing a prescribed Si-containing hydrolyzable resin and a color pigment such that a coating film having a target dry film thickness T completely hides a surface of an object to be coated, the colored antifouling paint has a color difference ?E1 between the coating film having the thickness T and a coating film having a dry film thickness of 0.8 T, at least 2.0, and preferably the colored antifouling paint has a color difference ?E2 between the coating film having the thickness T and a coating film having a dry film thickness of 1.2 T, less than 1, and [2] coating a surface of the object with the colored antifouling paint until the surface of the object is completely hidden by the coating film formed from the colored antifouling paint.Type: ApplicationFiled: June 14, 2011Publication date: November 22, 2012Applicant: Nippon Paint Marine Coatings Co., Ltd.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama
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Patent number: 6846878Abstract: The present invention has for its object to provide an antifouling coating improved in such a manner that the coating film formed therefrom may retain a steady polishing rate over a long period and be not ready to develop cracks and other defects, thus exhibiting a excellent long-term antifouling performance. The composition contains an acrylic resin having at least one group represented by the following general formula (1): (wherein R1, R2 and R3 may be the same or different and each represents a hydrocarbon residue of 1 to 20 carbon atoms) in its side chain and additionally at least one group represented by the following general formula (2): (wherein x is a group represented by the formula: n is equal to 0 or 1; Y represents a hydrocarbon; M represents a divalent metal; and A represents a monobasic organic acid residue) in its side chain.Type: GrantFiled: December 26, 2002Date of Patent: January 25, 2005Assignees: Nippon Paint Co., Ltd., Nippon Paint Marine Coatings Co., Ltd.Inventors: Naoki Yamamori, Kiyoaki Higo, Masayuki Matsuda
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Patent number: 6395866Abstract: A polyester resin for an antifouling paint which contains a structural unit of the formula (I) wherein R1 is H or alkyl having 1 to 3 carbon atoms, R2 is H or methyl and n is an integer of 0-4, in a proportion of not less than 90 mol % and a metal in the main chain at a concentration of 10-300 eq/106 g, and which has an acid value of 20-1000 eq/106 g. A combined use of the polyester resin with a natural antifouling agent affords a paint with extremely less burden on the marine environment.Type: GrantFiled: July 27, 2000Date of Patent: May 28, 2002Assignees: Toyo Boseki Kabushiki Kaisha, Ishikawajima-Harima Heavy Industries Co., Ltd., Nippon Paint Marine Coatings Co., Ltd.Inventors: Takashi Miyamoto, Takeshi Ito, Katsuya Shimeno, Miyako Shibazaki, Kenichi Akamine, Yoshitaka Hayashi, Suetsugu Mitsusada