Carbonaceous material with dissociated aggregate size and...

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...

Reexamination Certificate

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Details

C423S449100, C423S449200, C524S495000

Reexamination Certificate

active

07847009

ABSTRACT:
The present invention claims that a carbon black with unique morphological properties provides improved carbon black dispersion and improved rubber compound properties, such as improved fatigue life and abrasion resistance. The carbon black of current invention has a ratio of aggregate size HI and particle size HI greater than 1.70, the surface area STSA of 100-180 M2/g and the structure OAN less than 140 cc/100 g.

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Beaucage, G., Rane S., Schaefer, D.W., Long, G., Fischer, D. Morthology of Polyethylene-Carbon Black Composites; Correspondence to;G. Beaucage, Journal of Polymer Science: Part B: Polymer physics, vol. 37, 1105-1119(1999) 1999 John Wiley & Sons, Inc. CCC 0687-6266/99/11105-15.

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