Patents by Inventor Ronald Petrus Clemens Van Gaalen
Ronald Petrus Clemens Van Gaalen 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: 10000660Abstract: The invention relates to a thiol-functional organic compound having on average at least 3.1 thiol groups per molecule, and having carbon atoms, oxygen atoms, and sulfur atoms, and optionally further heteroatoms, and wherein the ratio of the number of carbon atoms (C) to the sum of the number of heteroatoms (HA), (C/HA) is at least 2.0, and wherein the thiol groups are derived from 2-mercapto acetic acid, 2-mercapto propionic acid, or 3-mercapto propionic acid, or esters thereof; and to a liquid coating composition comprising the thiol-functional compound and a thiol-reactive crosslinker.Type: GrantFiled: December 9, 2013Date of Patent: June 19, 2018Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Ronald Petrus Clemens Van Gaalen, Rogier Van Gemert, Hendrik Jan Willem Van Den Haak, Nicolaas Jacob Van Beelen
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Publication number: 20150315415Abstract: The invention relates to a thiol-functional organic compound having on average at least 3.1 thiol groups per molecule, and having carbon atoms, oxygen atoms, and sulfur atoms, and optionally further heteroatoms, and wherein the ratio of the number of carbon atoms (C) to the sum of the number of heteroatoms (HA), (C/HA) is at least 2.0, and wherein the thiol groups are derived from 2-mercapto acetic acid, 2-mercapto propionic acid, or 3-mercapto propionic acid, or esters thereof; and to a liquid coating composition comprising the thiol-functional compound and a thiol-reactive crosslinker.Type: ApplicationFiled: December 9, 2013Publication date: November 5, 2015Inventors: Ronald Petrus Clemens VAN GAALEN, Rogier VAN GEMERT, Hendrik Jan Willem VAN DEN HAAK, Nicolaas Jacob VAN BEELEN
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Patent number: 6552134Abstract: Modified epoxy functional polyesters are provided by reacting epihalohydrin in the presence of a base with carboxyl functional polyester resins (II) obtainable by reacting: (a) at least one aromatic or cycloaliphatic dicarboxylic acid compound A comprising two aromatic- or secondary aliphatic carboxyl groups or the anhydride thereof; (b) at least one diol compound B comprising two aliphatic hydroxyl groups, which may independently be a primary or a secondary hydroxyl group; and optionally (c) compound C1 comprising one monofunctional primary- or secondary hydroxyl group and/or at least one compound C2 comprising one primary- or secondary hydroxyl group and one tertiary aliphatic carboxyl group; and optionally (d) a dihydroxymonocarboxylic acid compound D comprising a tertiary aliphatic carboxyl group and two aliphatic hydroxyl groups, which may each independently be primary or secondary hydroxyl; and optionally (e) a trihydroxyalkane (E1) or tetrahydroxyalkane (E2), the molar ratio of compounds A:B:C1:CType: GrantFiled: April 20, 2001Date of Patent: April 22, 2003Assignee: Resolution Performance Products LLCInventors: Ronald Petrus Clemens Van Gaalen, Petrus Gerardus Kooijmans, Eric Johannes Vos
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Patent number: 6388024Abstract: Carboxyl functional polyester resins obtainable by reaction of: a) at least a compound of the formula wherein a≧1, and wherein R1 and R2 each may represent an alkyl group having from 1 to 4 carbon atoms or wherein R1 and R2 may form together with the group —CH—(CH2)x—CH˜ a cycloalkyl group and preferably 1,4-cyclohexane dicarboxylic acid (A1), mixed with smaller molar amounts of monoglycidyl esters of &agr;,&agr;-branched carboxyl acids containing from 5 to 19 carbon atoms in the acid moiety (A2), and b) at least one compound B comprising one primary- or secondary hydroxyl group and one tertiary aliphatic carboxyl group, and c) optionally one diol compound C, and d) optionally a dihydroxymonocarboxylic acid compound D, and e) optionally a trihydroxyalkane (E1) or tetrahydroxyalkane (E2), the molar ratio of compounds A1:(C+A2):B:D:E1:E2, being, (X+Y+1):Y:2:X:Q:P, wherein X ranges from 0 to 8, Y ranges from 1 to 8, Q ranges from 0 to 3 and wType: GrantFiled: October 25, 2000Date of Patent: May 14, 2002Inventors: Ronald Petrus Clemens Van Gaalen, Petrus Gerardus Kooijmans, Leo Wim Van Noort
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Patent number: 6262186Abstract: An isocyanate-modified epoxy-functional polyester is prepared by the reaction of an epihalohydrin in the presence of a base with a carboxyl-functional polyester resin (II) obtained by reacting (a) at least one aromatic or (cyclo)aliphatic dicarboxylic acid A having aromatic or secondary carboxyl groups, or the anhydride thereof, (b) at least one diol B having primary or secondary hydroxyl groups, (c) compound C1 having one monofunctional primary or secondary hydroxyl group and/or at least one compound C2 having one primary or secondary hydroxyl group and one tertiary aliphatic carboxyl group, and, optionally, (d) a dihydroxymonocarboxylic acid having a tertiary aliphatic carboxyl group and two aliphatic hydroxyl groups, and/or (e) a trihydroxyalkane (E1) or tetrahydroxyalkane (E2), to produce an epoxy-functional polyester whose terminal hydroxyl groups are reacted with an isocyanate.Type: GrantFiled: October 29, 1999Date of Patent: July 17, 2001Assignee: Shell Oil CompanyInventors: Ronald Petrus Clemens Van Gaalen, Petrus Gerardus Kooijmans, Eric Johannes Vos
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Patent number: 6201073Abstract: Linear, tertiary carboxyl functional polyester resins are obtained by reaction of (a) at least one 1,4-dicarboxylcyclohexane (A), optionally mixed with a minor weight fraction of an alkane dicarboxylic acid containing in the range of from 8 to 16 carbons atoms (A′), (b) at least one dihydroxymonocarboxylic acid compound (B) containing a tertiary aliphatic carboxyl group and two aliphatic hydroxyl groups, (c) optionally, one diol compound (C) containing two aliphatic hydroxyl groups, each independently being a primary or a secondary hydroxyl group, and (d) optionally, a compound (D′) containing one monofunctional primary or secondary hydroxyl group and/or a compound (D″) containing one primary or secondary hydroxyl group and one tertiary aliphatic carboxyl group, the molar ratio of the compounds (A+A′):B:C:D′:D″ being X+Y+1:Y:X:M:N wherein M+N is in the range of from 0 to 2, wherein X ranges from 2 to 8, and Y ranges from [2−(M+N)&rsqType: GrantFiled: November 25, 1997Date of Patent: March 13, 2001Assignee: Shell Oil CompanyInventors: Ronald Petrus Clemens Van Gaalen, Petrus Gerardus Kooijmans, Leo Wim Van Noort
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Patent number: 6143838Abstract: A linear or branched polyglycidylester resin produced by reacting a carboxyl functional polyester resin with an excess epihalohydrin in the presence of a suitable base, wherein the carboxyl functional polyester resin is produced by reacting at a temperature of from 100 to 240.degree. C. at least one dicarboxylic acid compound of the formula ##STR1## wherein x.gtoreq.1 and wherein R.sub.1 and R.sub.2 each represent an alkyl group having from 1 to 4 carbon atoms or wherein R.sub.1 and R.sub.2 form together with the group .about.CH--(CH.sub.2).sub.x --CH.about. a cycloalkylgroup, with at least one diol compound comprising two aliphatic hydroxyl groups, wherein each hydroxyl group independently is a primary or a secondary hydroxyl group, and wherein the number of carboxylic acid groups and anhydrides thereof exceeds the number of hydroxyl groups. The reaction continues until essentially all the hydroxyl groups initially present in the reaction mixture have been reacted.Type: GrantFiled: March 25, 1998Date of Patent: November 7, 2000Assignee: Shell Oil CompanyInventors: Ronald Petrus Clemens Van Gaalen, Petrus Gerardus Kooijmans, Eric Johannes Vos
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Patent number: 6107442Abstract: A tertiary carboxyl functional polyester resin useful for production of powder coatings is produced by reacting at least one aliphatic compound comprising two aliphatic hydroxyl groups and a tertiary carboxyl group with at least one cycloaliphatic carboxylic acid compound comprising two secondary aliphatic carboxyl groups or the anhydride thereof, wherein each hydroxyl group independently is a primary or secondary hydroxyl group, and wherein the number of hydroxy groups exceeds the number of carboxylic acid groups and anhydrides thereof. The reaction continues until essentially all the non-tertiary carboxyl groups initially present in the reaction mixture have been reacted. These polyester resins may be used together with a suitable curing agent for the production of powder coatings, or may be converted into the corresponding glycidylesters, which in combination with a suitable curing agent can be used for the production of powder coatings.Type: GrantFiled: February 17, 1998Date of Patent: August 22, 2000Assignee: Shell Oil CompanyInventors: Jan Freriks, Ronald Petrus Clemens Van Gaalen, Gregory John Hitchings, Petrus Gerardus Kooijmans