Colorant concentrates for thermoplastic biofiber composites

Details Colorant concentrates for thermoplastic biofiber composites Colorant concentrates for thermoplastic biofiber composites

2007-11-02

2010-11-09

Jagannathan, Vasu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C523S206000, C523S351000, C524S035000, C524S581000

Reexamination Certificate

active

07829628

ABSTRACT:
Color concentrates for thermoplastic biofiber composites are disclosed. The concentrates employ three factors to achieve concentrated delivery of color to the processing machine and excellent and substantially uniform dispersion of color in the processing machine: melt flow of the concentrate exceeding at least 4 g/10 min. using ASTM D-1238; pellet size of the concentrate such that at least 50 pellets weigh less than one gram; and weight percent of the colorant ingredients in the concentrate exceeding at least 30 weight percent.

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