Patents by Inventor Johannes Albertus Hettinga
Johannes Albertus Hettinga 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: 20240174887Abstract: The invention relates to thermosetting powder coating compositions including a constituent B which constituent B consists of an epoxy crosslinker of a particular epoxy equivalent weight and a polyester resin including reacted residues of citric acid, and/or citric acid anhydride, and optionally alkyl esters of citric acid. The invention further relates to cured thermosetting powder coating compositions (powder coatings), films, coatings, and articles based on or using the invention's thermosetting powder coating compositions. The invention further relates to various processes and uses of the thermosetting powder coating compositions of the invention.Type: ApplicationFiled: March 25, 2022Publication date: May 30, 2024Inventors: Johannes Gertrudis Christianus Bongaerts, Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga, Rubin Huang
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Patent number: 11479690Abstract: A branched carboxylic acid functional polyester resin P is described herein along with thermosetting powder coating compositions (PCC A) comprising a binder K, the binder K comprising the polyester resin P and a crosslinker X. The invention further relates to a cured PCC A. In addition, processes for making said PCC A and processes for coating an article with said PCC A are described as well as articles having coated thereon the PCC A and an articles having coated and cured thereon the PCC A.Type: GrantFiled: March 9, 2021Date of Patent: October 25, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
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Publication number: 20210198519Abstract: A branched carboxylic acid functional polyester resin P is described herein along with thermosetting powder coating compositions (PCC A) comprising a binder K, the binder K comprising the polyester resin P and a crosslinker X. The invention further relates to a cured PCC A. In addition, processes for making said PCC A and processes for coating an article with said PCC A are described as well as articles having coated thereon the PCC A and an articles having coated and cured thereon the PCC A.Type: ApplicationFiled: March 9, 2021Publication date: July 1, 2021Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
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Patent number: 11046865Abstract: The invention relates to a branched carboxylic acid functional polyester resin P as described herein. The invention further relates to a thermosetting powder coating composition (PCC A) comprising a binder K, said binder K comprising the P and a crosslinker X. The invention further relates to a cured PCC A. The invention further relates to a process for making said PCC A and processes for coating an article with said PCC A. The invention further relates to an article having coated thereon said PCC A as well as to an article having coated and cured thereon said PCC A. The invention further relates to a thermosetting powder coating composition B (PCC B) comprising a physical mixture of the thermosetting powder coating composition A (PCC A) with a separate, distinct thermosetting powder coating composition A1 (PCC A1). The invention further relates to a process for making said thermosetting powder coating composition B and processes for coating an article with said PCC B.Type: GrantFiled: July 9, 2015Date of Patent: June 29, 2021Assignee: DSM IP ASSETS B.V.Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
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Patent number: 10703930Abstract: The invention relates to a branched carboxylic acid functional polyester resin P1 as described herein. The invention further relates to a thermosetting powder coating composition (PCC A1) comprising a binder K1, said binder K1 comprising the P1 and a crosslinker X1. The invention further relates to a cured PCC A1. The invention further relates to a process for making said PCC A1 and processes for coating an article with said PCC A1. The invention further relates to an article having coated thereon said PCC A1 as well as to an article having coated and cured thereon said PCC A1. The invention further relates to a thermosetting powder coating composition B (PCC B) comprising a physical mixture of the thermosetting powder coating composition A1 (PCC A1) with a separate, distinct thermosetting powder coating composition A (PCC A). The invention further relates to a process for making said thermosetting powder coating composition B and processes for coating an article with said PCC B.Type: GrantFiled: July 9, 2015Date of Patent: July 7, 2020Assignee: DSM IP ASSETS B.V.Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
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Patent number: 10676637Abstract: The invention relates to a thermosetting powder coating composition B (PCC B) comprising a physical mixture of a thermosetting powder coating composition A (PCC A) with a separate, distinct thermosetting powder coating composition A1 (PCC A1). The invention further relates to a process for making said thermosetting powder coating composition B and processes for coating an article with said PCC B. The invention further relates to a cured PCC B. The invention further relates to an article having coated thereon said thermosetting powder coating composition B as well as to an article having coated and cured thereon said thermosetting powder coating composition B. The invention further relates to use of: the PCC B, the cured PCC B, articles coated with the PCC B, articles having coated and cured thereon the PCC B. The invention further relates to the use of the PCC B for matt powder coatings.Type: GrantFiled: July 9, 2015Date of Patent: June 9, 2020Assignee: DSM IP Assets B.V.Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
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Publication number: 20170218222Abstract: The invention relates to a thermosetting powder coating composition B (PCC B) comprising a physical mixture of a thermosetting powder coating composition A (PCC A) with a separate, distinct thermosetting powder coating composition A1 (PCC A1). The invention further relates to a process for making said thermosetting powder coating composition B and processes for coating an article with said PCC B. The invention further relates to a cured PCC B. The invention further relates to an article having coated thereon said thermosetting powder coating composition B as well as to an article having coated and cured thereon said thermosetting powder coating composition B. The invention further relates to use of: the PCC B, the cured PCC B, articles coated with the PCC B, articles having coated and cured thereon the PCC B. The invention further relates to the use of the PCC B for matt powder coatings.Type: ApplicationFiled: July 9, 2015Publication date: August 3, 2017Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
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Publication number: 20170210911Abstract: The invention relates to a branched carboxylic acid functional polyester resin P as described herein. The invention further relates to a thermosetting powder coating composition (PCC A) comprising a binder K, said binder K comprising the P and a crosslinker X. The invention further relates to a cured PCC A. The invention further relates to a process for making said PCC A and processes for coating an article with said PCC A. The invention further relates to an article having coated thereon said PCC A as well as to an article having coated and cured thereon said PCC A. The invention further relates to a thermosetting powder coating composition B (PCC B) comprising a physical mixture of the thermosetting powder coating composition A (PCC A) with a separate, distinct thermosetting powder coating composition A1 (PCC A1). The invention further relates to a process for making said thermosetting powder coating composition B and processes for coating an article with said PCC B.Type: ApplicationFiled: July 9, 2015Publication date: July 27, 2017Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
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Publication number: 20170210910Abstract: The invention relates to a branched carboxylic acid functional polyester resin P1 as described herein. The invention further relates to a thermosetting powder coating composition (PCC A1) comprising a binder K1, said binder K1 comprising the P1 and a crosslinker X1. The invention further relates to a cured PCC A1. The invention further relates to a process for making said PCC A1 and processes for coating an article with said PCC A1. The invention further relates to an article having coated thereon said PCC A1 as well as to an article having coated and cured thereon said PCC A1. The invention further relates to a thermosetting powder coating composition B (PCC B) comprising a physical mixture of the thermosetting powder coating composition A1 (PCC A1) with a separate, distinct thermosetting powder coating composition A (PCC A). The invention further relates to a process for making said thermosetting powder coating composition B and processes for coating an article with said PCC B.Type: ApplicationFiled: July 9, 2015Publication date: July 27, 2017Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
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Patent number: 9096711Abstract: The invention relates to a carboxylic acid functional branched polyester for thermosetting powder coating composition, wherein said polyester is prepared from at least the following monomers: a difunctional aromatic acid, the difunctional aromatic acid being a combination of terephthalic acid (TPA), isophthalic acid (IPA), an at least trifunctional monomer and a difunctional alcohol, the difunctional alcohol being a combination of at least ethylene glycol (EG) and/or diethylene glycol (DEG) and neopentyl glycol (NPG), the molar ratio of TPA to IPA in the carboxylic acid functional branched polyester is at most 12.4, and the functionality of the carboxylic acid functional branched polyester is from 2.15 to 4.0, and the carboxylic acid functional branched polyester has an acid value of from 14 to 80 mg KOH/g resin, and the carboxylic acid functional branched polyester has a glass transition temperature of at least 40C.Type: GrantFiled: April 28, 2010Date of Patent: August 4, 2015Assignee: DSM IP ASSETS B.V.Inventors: Paulus Franciscus Anna Buijsen, Juul Cuijpers, Marcellinus Hermanus Johannes Schutte, Johannes Albertus Hettinga
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Publication number: 20120231283Abstract: The invention relates to a carboxylic acid functional branched polyester for thermosetting powder coating composition, wherein said polyester is prepared from at least the following monomers: a difunctional aromatic acid, the difunctional aromatic acid being a combination of terephthalic acid (TPA), isophthalic acid (IPA), an at least trifunctional monomer and a difunctional alcohol, the difunctional alcohol being a combination of at least ethylene glycol (EG) and/or diethylene glycol (DEG) and neopentyl glycol (NPG), the molar ratio of TPA to IPA in the carboxylic acid functional branched polyester is at most 12.4, and the functionality of the carboxylic acid functional branched polyester is from 2.15 to 4.0, and the carboxylic acid functional branched polyester has an acid value of from 14 to 80 mg KOH/g resin, and the carboxylic acid functional branched polyester has a glass transition temperature of at least 40C.Type: ApplicationFiled: April 28, 2010Publication date: September 13, 2012Inventors: Paulus Franciscus Anna Buijsen, Juul Cuijpers, Marcellinus Hermanus Johannes Schutte, Johannes Albertus Hettinga