Patents by Inventor Robertus Jozef Franciscus Jans

Robertus Jozef Franciscus Jans 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).

  • COATING COMPOSITIONS CONTAINING COLOURED POLYMERS
    Publication number: 20120004362
    Abstract: A hiding coating composition containing a coloured polymer as colourant. The polymer is made by reacting a dye with a polymer having reactive groups.
    Type: Application
    Filed: March 1, 2010
    Publication date: January 5, 2012
    Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventors: Robertus Jozef Franciscus Jans, Anthonie Stuiver
  • Pigment paste
    Patent number: 6787598
    Abstract: A pigment paste for tinting a coating composition, the pigment paste comprising at least one branched alkyd having a viscosity below 5 Pa.s, preferably below 3.5 Pa.s, at 23° C. and at a shear rate of 100 s−1, and pigment. The pigment paste can also include an aromate-free solvent. The number average molecular weight Mn of the alkyd is preferably between 2,000 and 2,400 g/mole. The degree of branching of the alkyd is preferably at least 0.35 and preferably below 0.42. The oil length is preferably between 76 and 84. The VOC is preferably below 250 g/l.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: September 7, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Robertus Jozef Franciscus Jans, Eugene Michael Arnoldus De Jong
  • Pigment paste
    Publication number: 20020193471
    Abstract: A pigment paste for tinting a coating composition, the pigment paste comprising at least one branched alkyd having a viscosity below 5 Pa.s, preferably below 3.5 Pa.s, at 23° C. and at a shear rate of 100 s−1, and pigment. The pigment paste can also include an aromate-free solvent. The number average molecular weight Mn of the alkyd is preferably between 2,000 and 2,400 g/mole. The degree of branching of the alkyd is preferably at least 0.35 and preferably below 0.42. The oil length is preferably between 76 and 84. The VOC is preferably below 250 g/l.
    Type: Application
    Filed: May 21, 2002
    Publication date: December 19, 2002
    Inventors: Robertus Jozef Franciscus Jans, Eugene Michael Arnoldus De Jong