Patents by Inventor Yfranka Petronella Areke Roelofsen

Yfranka Petronella Areke Roelofsen 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).

  • Publication number: 20220073735
    Abstract: The present invention concerns the curing and hardening of liquids comprising unsaturated resins, a peroxide and a chelant capable of chelating at least one transition metal ion through three, four, or five nitrogen atoms, which chelants may each optionally be complexed with one or two transition metal ions, typically iron or manganese ions. The invention also provides methods and formulations for making associated compositions, compositions resultant from the curing of such liquids and associated kits comprising two or more compositions physically separated from one another, which may be used to provide curable liquids when mixed.
    Type: Application
    Filed: July 4, 2019
    Publication date: March 10, 2022
    Applicant: BORCHERS CATALYST (UK) LIMITED
    Inventors: Johannes Wietse DE BOER, Ronald HAGE, Karin MAAIJEN, Yfranka Petronella Areke ROELOFSEN
  • Publication number: 20220073701
    Abstract: The present invention relates to an oxidatively curable coating formulation comprising an oxidatively curable alkyd-based resin and a bispidon-based chelant, which chelant may optionally be complexed with a suitable transition metal ion. The formulations may be paints or other oxidatively curable coating compositions. The invention also provides methods for making such formulations and compositions resultant from the curing of such formulations.
    Type: Application
    Filed: July 4, 2019
    Publication date: March 10, 2022
    Applicant: CATEXEL TECHNOLOGIES LIMITED
    Inventors: Johannes Wietse DE BOER, Ronald HAGE, Karin MAAIJEN, Yfranka Petronella Areke ROELOFSEN, Peter COMBA
  • Publication number: 20210221975
    Abstract: The present invention relates to an oxidatively curable coating formulation comprising an oxidatively curable alkyd-based resin and unsymmetrically substituted 1,4,7-triazacyclononane-based chelant, which chelant may optionally be complexed with a suitable transition metal ion, particularly manganese. The formulations may be paints or other oxidatively curable coating compositions. The invention also provides methods for making such formulations and compositions resultant from the curing of such formulations.
    Type: Application
    Filed: July 4, 2019
    Publication date: July 22, 2021
    Applicant: BORCHERS CATALYST (UK) LIMITED
    Inventors: Johannes Wietse DE BOER, Ronald HAGE, Karin MAAIJEN, Yfranka Petronella Areke ROELOFSEN
  • Patent number: 10882745
    Abstract: The present invention relates to a method of generating chlorine dioxide from chlorite salts in the presence of an iron ion-containing complex, a method of treating a substrate with a chlorine-containing oxidant in the presence of an iron ion-containing complex and related aqueous media, kits and compositions.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: January 5, 2021
    Assignee: Catexel Technologies Limited
    Inventors: Ronald Hage, Karin Maaijen, Yfranka Petronella Areke Roelofsen
  • Patent number: 10815616
    Abstract: The present invention relates to a method of generating chlorine dioxide from chlorite salts in the presence of a manganese ion-containing complex, a method of treating a substrate with a chlorine-containing oxidant in the presence of a manganese ion-containing complex and related aqueous media, kits and compositions.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 27, 2020
    Assignee: Catexel Technologies Limited
    Inventors: Ronald Hage, Karin Maaijen, Yfranka Petronella Areke Roelofsen
  • Publication number: 20180186634
    Abstract: The present invention relates to a method of generating chlorine dioxide from chlorite salts in the presence of an iron ion-containing complex, a method of treating a substrate with a chlorine-containing oxidant in the presence of an iron ion-containing complex and related aqueous media, kits and compositions.
    Type: Application
    Filed: December 7, 2017
    Publication date: July 5, 2018
    Inventors: Ronald Hage, Karin Maaijen, Yfranka Petronella Areke Roelofsen
  • Publication number: 20180094384
    Abstract: The present invention relates to a method of generating chlorine dioxide from chlorite salts in the presence of a manganese ion-containing complex, a method of treating a substrate with a chlorine-containing oxidant in the presence of a manganese ion-containing complex and related aqueous media, kits and compositions.
    Type: Application
    Filed: December 7, 2017
    Publication date: April 5, 2018
    Inventors: Ronald Hage, Karin Maaijen, Yfranka Petronella Areke Roelofsen