Patents Assigned to Chugoku Marine Paints, Ltd.
-
Publication number: 20150141562Abstract: To provide a polyester resin for an antifouling coating material that has improved storage stability while maintaining low VOC, thereby allowing preparation in a one-pack form, and that allows increased curability to be achieved and can provide a satisfactory antifouling property and coating property for prolonged periods, as well as a method for producing it, and an antifouling coating material composition. The polyester resin for an antifouling coating material is obtained by reacting a (a) trihydric or greater alcohol, a (b) dibasic acid or its anhydride and a (c) divalent alcohol, and then further reacting with an (d) alicyclic dibasic acid or its anhydride.Type: ApplicationFiled: July 11, 2013Publication date: May 21, 2015Applicant: Chugoku Marine Paints, Ltd.Inventors: Norihiro Fukuta, Jyunji Niimoto, Isao Tada, Kazuo Aizu
-
Patent number: 8846821Abstract: The object of the present invention is to provide a silicone-based copolymer which has excellent long-term antifouling property even in a dry-wet alternate portion of a ship and the like or a portion thereof near the surface of water, is excellent also in mechanical strength and recoatability and exhibits high antifouling performance even if an antifouling agent is not added, and an antifouling coating composition containing the copolymer.Type: GrantFiled: December 16, 2010Date of Patent: September 30, 2014Assignee: Chugoku Marine Paints, Ltd.Inventors: Takaharu Doumae, Yoshio Yamada, Masaaki Oya, Fumio Hamazu, Makoto Tsuboi
-
Patent number: 8840910Abstract: There is provided an antifouling coating composition capable of forming an antifouling coating film which has stable coating film consumption degree on ships, underwater structures and the like and which exhibits excellent antifouling property over a long term. The antifouling coating composition includes a hydrolyzable copolymer (A) and an antifouling agent (B), wherein the hydrolyzable copolymer (A) is, e.g., a metal salt bond-containing copolymer having a component unit derived from a monomer (a21) represented by the general formula (II): CH2?C(R2)—COO-M-O—CO—C(R2)?CH2??(II) [In the formula (II), M is zinc or copper, and R2 is a hydrogen atom or a methyl group], and a component unit derived from other unsaturated monomer (a22) copolymerizable with the monomer (a21), and wherein the antifouling agent (B) includes at least medetomidine.Type: GrantFiled: March 18, 2011Date of Patent: September 23, 2014Assignee: Chugoku Marine Paints, Ltd.Inventors: Satoshi Masuda, Yusuke Hayashi, Yukio Kozono
-
Patent number: 8741983Abstract: Antifouling coating compositions that do not substantially contain cuprous oxide and organotins, and that comprise: A) a metal-containing copolymer obtained by copolymerization of a polymerizable unsaturated monomer (a1) containing a metal and an unsaturated monomer (a2) capable of radical polymerization containing no metals; (B) 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; and (C) a metal pyrithione compound.Type: GrantFiled: December 18, 2002Date of Patent: June 3, 2014Assignee: Chugoku Marine Paints, Ltd.Inventors: Hiroyuki Okimoto, Yasuo Mukunoki, Toshihiko Ashida, Masashi Ono
-
Patent number: 8597749Abstract: A high solid type paint composition comprising (A) a main component containing a semi-solid state bisphenol type epoxy resin (a1) wherein the epoxy equivalent weight of the epoxy resin is 250 to 300, and (B) a curing component containing an epoxy adduct of xylylenediamine (b1) and an epoxy adduct of polyamide (b2), wherein the epoxy adduct of polyamide (b2) is contained at 50 to 200 parts by weight per 100 parts by weight of the epoxy adduct of xyleylenediamine (b1 ). The anticorrosive coating composition is excellent in drying properties during coating, and capable of forming a coating film having excellent oil resistance, solvent resistance, chemical resistance and anticorrosive properties.Type: GrantFiled: March 8, 2007Date of Patent: December 3, 2013Assignee: Chugoku Marine Paints, Ltd.Inventor: Osamu Kato
-
Patent number: 8586644Abstract: A thin and highly transparent coating having excellent air tightness, adhesion to a substrate, lubricating properties, galling resistance, and corrosion resistance is formed on the surface of a metal substrate and particularly on the surface of a threaded joint which is used for connection of oil country tubular goods. A photocurable composition comprising (A) a photocurable (meth)acrylate resin, (B) a (meth)acrylate monomer selected from a monofunctional (meth)acrylate monomer and a difunctional (meth)acrylate monomer, (C) a trifunctional or higher multifunctional (meth)acrylate monomer, (D) a photopolymerization initiator, (E) a benzotriazole anticorrosive agent, (F) an anticorrosive pigment selected from a phosphate anticorrosive pigment and calcium ion-exchanged silica, and (G) a phosphate ester is used to form a photocured coating.Type: GrantFiled: November 14, 2011Date of Patent: November 19, 2013Assignees: Nippon Steel & Sumitomo Metal Corporation, Vallourec Mannesmann Oil & Gas France, Chugoku Marine Paints, Ltd.Inventors: Tomomitsu Nagareo, Yoshinori Kameda, Keishi Matsumoto, Takayuki Kamimura, Masaru Takahashi, Kunio Goto, Ryuichi Imai
-
Patent number: 8354168Abstract: Disclosed is an epoxy anticorrosive coating composition used for forming an epoxy anticorrosive coating film in an antifouling composite coating film comprising an epoxy anticorrosive coating film and an organopolysiloxane antifouling coating film which are laminated in order on a surface of a base, said epoxy anticorrosive coating composition comprising (A) an epoxy resin, (B) a curing agent for epoxy resins, and (C) a modifier which is either (i) a modifier comprising a hydroxyl group-containing petroleum resin (c1) or a hydroxyl group-containing terpenephenol resin (c2), or (ii) a modifier comprising a hydroxyl group-containing petroleum resin (c1) or a hydroxyl group-containing terpenephenol resin (c2) and a coumarone resin (c3).Type: GrantFiled: December 8, 2005Date of Patent: January 15, 2013Assignee: Chugoku Marine Paints, Ltd.Inventors: Katsuyoshi Amidaiji, Toshiharu Yamamoto
-
Patent number: 8110638Abstract: [PROBLEM TO BE SOLVED] To provide an organopolysiloxane paint composition capable of forming an antifouling coating film having an excellent long-term antifouling property. [SOLUTION] A curable composition obtained by mixing: (A) 100 parts by weight of a reaction curable silicone rubber with: (B) 1 to 100 parts by weight of an organopolysiloxane mixture including a product obtained by an R2OH elimination reaction of: (B1) an organopolysiloxane represented by: (R2O)((R2O)2SiO)n-1Si(OR2)3 wherein n is an integer of 2 or more and R2 each is independently a monovalent hydrocarbon group, and (B2) an organopolysiloxane having at least one structure represented by: ?SiR3OH wherein R3 is a divalent hydrocarbon group, in a molecule.Type: GrantFiled: December 25, 2007Date of Patent: February 7, 2012Assignees: Chugoku Marine Paints, Ltd., Shin-Etsu Chemical C o., Ltd.Inventors: Katsuyoshi Amidaiji, Shinichi Tashiro, Takafumi Sakamoto
-
Patent number: 7893139Abstract: Modified asphalts have excellent dispersibility and compatibility with polar materials, are usable in applications including railroad track-filling materials, and are inexpensive. A modified asphalt includes an asphalt (A), a viscosity depressant (B) and a copolymer (C) containing a structural unit from a polyalkylene glycol allyl ether (c1), a structural unit from an unsaturated dicarboxylic acid and/or an acid anhydride thereof (c2), and a structural unit from an aromatic vinyl compound (c3).Type: GrantFiled: August 12, 2009Date of Patent: February 22, 2011Assignee: Chugoku Marine Paints, Ltd.Inventor: Harumi Morifusa
-
Patent number: 7557148Abstract: A novel cyclic carboxylic acid formed by the addition reaction of an unsaturated carboxylic acid with a conjugated diene compound and a metal salt thereof are disclosed. A compounding agent (A) for an antifouling paint comprising one or more substances selected from the novel cyclic carboxylic acid, a derivative of the cyclic carboxylic acid (except a metal salt), a metal salt of the cyclic carboxylic acid and a metal salt of a derivative of the cyclic carboxylic acid, and an antifouling paint composition comprising the compounding agent (A) and a copolymer (B) for a self-polishing type antifouling paint are also disclosed. The antifouling paint composition can form an antifouling coating film which is a small burden to the environment, is uniformly eroded at a given rate, is capable of maintaining excellent antifouling performance for a long period of time and is applicable to ships or the like used in the highly fouling sea area.Type: GrantFiled: November 26, 2004Date of Patent: July 7, 2009Assignee: Chugoku Marine Paints, Ltd.Inventors: Takahiro Nishiguchi, Naoya Nakamura, Makoto Tsuboi
-
Patent number: 6916860Abstract: An antifouling coating composition comprising (A) a silyl ester copolymer containing constituent units derived from a polymerizable unsaturated carboxylic acid silyl ester; (B) a carboxylic acid; (C) a bivalent or trivalent metal compound; and (D) a dehydrating agent. It is preferred that the component (C) be contained in an amount of 1.2 equivalents or more, in terms of the number of equivalents of metal as a constituent of the component (C), per equivalent of carboxyl group of the carboxylic acid (B); that the component (C) be a bivalent metal compound; and that the component (C) be a compound of at least one metal selected from the group consisting of zinc, copper, magnesium, calcium and barium.Type: GrantFiled: February 28, 2003Date of Patent: July 12, 2005Assignee: Chugoku Marine Paints, Ltd.Inventors: Masaaki Oya, Naoya Nakamura, Makoto Tsuboi
-
Patent number: 6828030Abstract: A (poly)oxyalkylene block silyl ester copolymer comprising silyl ester copolymer block units (A) and block units (B), the block units (a) comprising (a) component units derived from a polymerizable unsaturated carboxylic acid silyl ester, and (b) polymerizable unsaturated monomer units other than the component units (a), the block units (B) derived from particular mercapto compounds, and an antifouling paint comprising the (poly)oxyalkylene block silyl ester copolymer. The copolymer enables the formation of an antifouling coating film which exhibits less cracking tendency, excellent adherence, less peeling tendency and controlled hydrolysis rate resulting in excellent antifouling performance and properties.Type: GrantFiled: October 23, 2001Date of Patent: December 7, 2004Assignee: Chugoku Marine Paints, Ltd.Inventors: Hidetaka Arimura, Satoshi Hiyoshi, Naoya Nakamura, Makoto Tsuboi
-
Patent number: 6723439Abstract: A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-1) a hydrophobic silica and a hydrophilic silica. A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-2) a hydrophobic silica, wherein the hydrophobic silica (B-2) is thermally treated together with the organopolysiloxane (A).Type: GrantFiled: March 20, 2002Date of Patent: April 20, 2004Assignees: Chugoku Marine Paints, Ltd., Shin-Etsu Chemical Co., Ltd.Inventors: Katsuyoshi Amidaiji, Toshiharu Yamamoto, Hironobu Muramatsu
-
Patent number: 6451437Abstract: A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-1) a hydrophobic silica and a hydrophilic silica. A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-2) a hydrophobic silica, wherein the hydrophobic silica (B-2) is thermally treated together with the organopolysiloxane (A).Type: GrantFiled: October 10, 2000Date of Patent: September 17, 2002Assignees: Chugoku Marine Paints, Ltd., Shin-esu Chemical Co. Ltd.Inventors: Katsuyoshi Amidaiji, Toshiharu Yamamoto, Hironobu Muramatsu
-
Patent number: 6110990Abstract: An antifouling coating composition includes (A) antifouling agent, (B) film forming copolymer of 1000 to 50,000 in number average molecular weight, and structural units derived from a trialkylsilyl ester of polymerizable unsaturated carboxylic acid in an amount of 20 to 65% by weight, and (C) chlorinated paraffin. The composition may also contain one or more of (D) (meth)acrylic ester polymer of 1000 to 100,000 in number average molecular weight; (E) inorganic dehydrating agent, (F) flake pigment, (G) zinc flower. In other embodiments the composition includes above components (A), (B) and (D) wherein (B):(D)=100:10 to 500. Coating films formed from the above antifouling coating compositions, such as on a hull or an underwater structure, are excellent in cracking resistance, resistance to peeling from ship bottom materials and primer layers, antifouling properties and consumability (self-polishing properties). Further, these antifouling coating compositions are excellent in storage stability.Type: GrantFiled: January 30, 1997Date of Patent: August 29, 2000Assignee: Chugoku Marine Paints LtdInventors: Naoya Nakamura, Yasuto Hikiji, Yasuyuki Kiseki, Makoto Tsuboi
-
Patent number: 6010693Abstract: There are disclosed a controlling agent and an antifouling composition against harmful aquatic organisms, which include a particular N-phenylisothiazolone derivative of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are the same or different and are independently hydrogen, chlorine or bromine; and R is haloalkoxy. Also disclosed is a method for preventing or inhibiting the adhesion of harmful aquatic organisms to water-exposed articles, which includes applying the antifouling composition to the water-exposed articles.Type: GrantFiled: March 18, 1997Date of Patent: January 4, 2000Assignees: Chugoku Marine Paints, Ltd., Sumitomo Chemical Company, LimitedInventors: Makoto Tsuboi, Shuhei Yuki, Akiko Kakimizu, Kenji Arai, Masato Mizutani
-
Patent number: 5683686Abstract: There are disclosed a controlling agent and an antifouling composition against harmful aquatic organisms, which include a particular N-phenylisothiazolone derivative of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are the same or different and are independently hydrogen, chlorine or bromine; and R is haloalkoxy. Also disclosed is a method for preventing or inhibiting the adhesion of harmful aquatic organisms to water-exposed articles, which includes applying the antifouling composition to the water-exposed articles.Type: GrantFiled: December 27, 1994Date of Patent: November 4, 1997Assignees: Chugoku Marine Paints, Ltd., Sumitomo Chemical Company, LimitedInventors: Makoto Tsuboi, Shuhei Yuki, Akiko Kakimizu, Kenji Arai, Masato Mizutani
-
Patent number: 5525676Abstract: A thermal treatment process uses far infrared rays to heat an applied primer composition which has an excellent bonding ability to materials such as polyethylene, polypropylene and synthetic rubbers and is easily bonded to functional coatings. A composite layer of a coating and the primer composition having a function of addition is formed on the surface of these materials by coating or the like, and the composite layer is then subjected to a thermal treatment using far infrared rays. A composition is employed which is suitable for such uses wherein a polymer of an unsaturated dicarboxylic acid and a polyolefin or a chlorine denatured product thereof is used as a main component and a chlorosulfonated polyethylene is applied to improve heat resistance.Type: GrantFiled: September 28, 1994Date of Patent: June 11, 1996Assignee: Chugoku Marine Paints, Ltd.Inventors: Minoru Kitayama, Harumi Morifusa, Katsuni Kondoh
-
Patent number: 5507862Abstract: There are disclosed a controlling agent and an antifouling composition against harmful aquatic organisms, which include a particular N-phenylbenzoisothiazolone derivative of the formula: ##STR1## wherein R's are the same or different and are independently halogen, alkyl or alkoxy; n is an integer of 0 to 5; X's are the same or different and are independently halogen, nitro, alkyl or alkoxy; and m is an integer of 0 to 4; with the proviso that when the R's are all alkyl or all alkoxy, n is an integer of 1 to 3, and when all of the R's are different, n is an integer of 2 or 3. Also disclosed is a method for preventing or inhibiting the adhesion of harmful aquatic organisms to water-exposed articles, which includes applying the antifouling composition to the water-exposed articles.Type: GrantFiled: September 16, 1994Date of Patent: April 16, 1996Assignees: Sumitomo Chemical Company, Limited, Chugoku Marine Paints, Ltd.Inventors: Makoto Tsuboi, Shuhei Yuki, Kenji Arai, Tomohiro Teramae, Masato Mizutani
-
Patent number: 5180776Abstract: A primer composition has an excellent bonding ability to materials such as polyethylene, polypropylene and synthetic rubbers and is easily bonded to functional coatings. A composite layer of a coating and the primer composition having a function of addition is formed on the surface of these materials by coating or the like. A primer composition is employed which is suitable for such uses wherein a polymer of an unsaturated dicarboxylic acid and a polyolefin or a chlorine denaturated product thereof is used as a main component and a chlorosulfonated polyethylene is applied to improve heat resistance.Type: GrantFiled: November 5, 1991Date of Patent: January 19, 1993Assignee: Chugoku Marine Paints, Ltd.Inventors: Minoru Kitayama, Harumi Morifusa, Katsumi Kondoh