Patents by Inventor Roberto Aloysius Gerardus Maria Bergevoet

Roberto Aloysius Gerardus Maria Bergevoet 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: 9745203
    Abstract: The present invention relates to a sodium chloride composition comprising an iron complex of tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid. The present invention furthermore relates to a process to prepare such a sodium chloride composition and to the use of such a sodium chloride composition.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: August 29, 2017
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma
  • Publication number: 20150114841
    Abstract: The present invention relates to a sodium chloride composition comprising an iron complex of tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid. The present invention furthermore relates to a process to prepare such a sodium chloride composition and to the use of such a sodium chloride composition.
    Type: Application
    Filed: October 27, 2014
    Publication date: April 30, 2015
    Inventors: Hendrikus Wilhelmus BAKKENES, Roberto Aloysius Gerardus Maria BERGEVOET, Johannes Albertus Maria MEIJER, Maria STEENSMA
  • Patent number: 8911796
    Abstract: The present invention relates to a sodium chloride composition comprising an iron complex of tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid. The present invention furthermore relates to a process to prepare such a sodium chloride composition and to the use of such a sodium chloride composition.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: December 16, 2014
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma
  • Patent number: 8759574
    Abstract: The present invention relates to a process for the preparation of a composition comprising tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid, comprising the steps of (i) preparing an aqueous mixture comprising between 35 and 65% by weight of a di-alkali metal salt of L-tartaric acid, a di-alkali metal salt of D-tartaric acid, a mixture of di-alkali metal salts of L-tartaric acid, D-tartaric acid, and optionally meso-tartaric acid, and between 2 and 15% by weight of an alkali metal or alkaline metal hydroxide, and (ii) stirring and heating the aqueous mixture to a temperature of between 100° C. and its boiling point until between 55 and 90% by weight of tartaric acid has been converted to meso-tartaric acid.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: June 24, 2014
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma
  • Publication number: 20140072718
    Abstract: The present invention relates to a potassium chloride composition comprising an iron complex of tartaric acid, characterized in that at least 5% by weight of the tartaric acid is mesotartaric acid and that a 10% by weight aqueous solution of said potassium chloride composition has a pH value of between 6 and 11. The present invention furthermore relates to a process to prepare such a potassium chloride composition and to the use of such a potassium chloride composition.
    Type: Application
    Filed: September 6, 2013
    Publication date: March 13, 2014
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Shanfeng JIANG, Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma
  • Publication number: 20120129952
    Abstract: The present invention relates to a sodium chloride composition comprising an iron complex of tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid. The present invention furthermore relates to a process to prepare such a sodium chloride composition and to the use of such a sodium chloride composition.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 24, 2012
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma
  • Publication number: 20120130124
    Abstract: The present invention relates to a process for the preparation of a composition comprising tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid, comprising the steps of (i) preparing an aqueous mixture comprising between 35 and 65% by weight of a di-alkali metal salt of L-tartaric acid, a di-alkali metal salt of D-tartaric acid, a mixture of di-alkali metal salts of L-tartaric acid, D-tartaric acid, and optionally meso-tartaric acid, and between 2 and 15% by weight of an alkali metal or alkaline metal hydroxide, and (ii) stirring and heating the aqueous mixture to a temperature of between 100° C. and its boiling point until between 55 and 90% by weight of tartaric acid has been converted to meso-tartaric acid.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 24, 2012
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma