Back to results
US 5,472,495 AGranted
Warpage-free pigmenting of macromolecular organic materials
AssigneeBASF SE
InventorJoerg Schroeder
Life of this patent
Estimating the term…
Abstract
A process for the warpage-free pigmenting of macromolecular organic materials comprises using organic pigments which have been exposed to a low temperature plasma.
Claims4
A process for producing warpage-free articles derived from solid polyolefins containing organic pigments therein which comprises exposing the organic pigments to a low temperature plasma, adding the exposed pigment to a solid polyolefin, and forming the material into an article by injection molding.
Dependencies are inferred from the claim text.