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).

  • Patent number: 11479690
    Abstract: 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: Grant
    Filed: March 9, 2021
    Date of Patent: October 25, 2022
    Assignee: COVESTRO (NETHERLANDS) B.V.
    Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
  • Publication number: 20210198519
    Abstract: 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: Application
    Filed: March 9, 2021
    Publication date: July 1, 2021
    Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
  • Patent number: 11046865
    Abstract: 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: Grant
    Filed: July 9, 2015
    Date of Patent: June 29, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
  • Patent number: 10703930
    Abstract: 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: Grant
    Filed: July 9, 2015
    Date of Patent: July 7, 2020
    Assignee: DSM IP ASSETS B.V.
    Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
  • Patent number: 10676637
    Abstract: 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: Grant
    Filed: July 9, 2015
    Date of Patent: June 9, 2020
    Assignee: DSM IP Assets B.V.
    Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
  • Publication number: 20170218222
    Abstract: 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: Application
    Filed: July 9, 2015
    Publication date: August 3, 2017
    Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
  • Publication number: 20170210911
    Abstract: 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: Application
    Filed: July 9, 2015
    Publication date: July 27, 2017
    Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
  • Publication number: 20170210910
    Abstract: 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: Application
    Filed: July 9, 2015
    Publication date: July 27, 2017
    Inventors: Matthias Johannes Cornelis BOS, Paulus Franciscus Anna BUIJSEN, Johannes Albertus HETTINGA
  • Patent number: 9096711
    Abstract: 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: Grant
    Filed: April 28, 2010
    Date of Patent: August 4, 2015
    Assignee: DSM IP ASSETS B.V.
    Inventors: Paulus Franciscus Anna Buijsen, Juul Cuijpers, Marcellinus Hermanus Johannes Schutte, Johannes Albertus Hettinga
  • Publication number: 20120231283
    Abstract: 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: Application
    Filed: April 28, 2010
    Publication date: September 13, 2012
    Inventors: Paulus Franciscus Anna Buijsen, Juul Cuijpers, Marcellinus Hermanus Johannes Schutte, Johannes Albertus Hettinga