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US 6,555,604 B1Granted
Pigment for warpage-free polyolefins coloration
AssigneeClariant Finance (BVI) Limited
InventorMohamed Sidqi
Life of this patent
Estimating the term…
Abstract
Use of a pigment of formula (I) where both R are Cl or COOCH3 for the coloration of polyolefins which do not warp.
Claims3
A method for the coloration of a polyolefin which does not warp comprising the step of adding to the polyoefin a pigment of formula (I)
- where both R are Cl or COOCH3.
A warpage-free polyolefin comprising a pigment of formula (I)
- where both R are Cl or COOCH3.
High density polyethylene (HDPE) which does not warp comprising a pigment of formula (I)
- where both R are Cl or COOCH3.
Dependencies are inferred from the claim text.