Patents Assigned to O & R Inktchemie N.V.
  • Aqueous rapid-drying printing ink
    Patent number: 4170578
    Abstract: A printing ink which rapidly dries under the influence of heat, in particular from infra-red radiation, wherein in addition to a hydrophobic phase which is composed of a non-polar solvent, a modified phenol or cresol formaldehyde resin, a crosslinkable unsaturated polyester, a peroxide catalyst for said polyester, and a pigment, the ink moreover comprises an aqueous phase constituting at least 12 wt.% of the total ink.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: October 9, 1979
    Assignee: O+R Inktchemie N.V.
    Inventor: Ealbertus W. Schelhaas
  • Rapid-drying printing ink and a printing process using same
    Patent number: 4075143
    Abstract: A printing ink which rapidly dries under the influence of heat, in particular from infra-red radiation, and which is composed of:A non-polar solvent,A modified phenol- or cresol formaldehyde resin,A crosslinkable unsaturated polyester,A peroxide catalyst for said polyester, andA pigment.
    Type: Grant
    Filed: April 21, 1976
    Date of Patent: February 21, 1978
    Assignee: O & R Inktchemie N.V.
    Inventors: Ealbertus Willem Schelhaas, Eduard Johannes Cornelis Marie Blokker