Beaded black

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C523S160000, C524S495000

Reexamination Certificate

active

07112618

ABSTRACT:
A beaded black containing at least one pelletizing additive and at least one synthetic oil. The beaded black can be produced in a pelletizing machine and used as a filler and/or pigment in rubber and plastic articles and as a pigment for the production of printing inks.

REFERENCES:
patent: 4162997 (1979-07-01), Walsh
patent: 5797988 (1998-08-01), Linde et al.
patent: 6803026 (2004-10-01), Linde et al.
patent: 196 23 198 (1997-12-01), None
patent: 0 924 268 (1999-06-01), None
patent: WO 96 01875 (1996-01-01), None
Copy of European Search Report for counterpart application No. EP 01 12 8693 dated Apr. 4, 2002.

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