Urea phenyl derivatives and their use as polypropylene...

Details Urea phenyl derivatives and their use as polypropylene... Urea phenyl derivatives and their use as polypropylene...

2005-11-18

2009-08-11

Zimmer, Marc S. (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C564S050000

Reexamination Certificate

active

07572849

ABSTRACT:
Disclosed herein are urea phenyl derivatives of the formula:wherein each R is an independently selected hydrocarbyl group and n is 2 or 3, and their use as nucleating agents for propylene polymers.

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