Stabilizing agent

Details Stabilizing agent Stabilizing agent

2005-05-03

2005-05-03

Sanders, Kriellion A. (Department: 1714)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S203000

Reexamination Certificate

active

06887939

ABSTRACT:
The present invention relates to a stabilizing agent for polymers or copolymers which is a copolymer of ethylene or propylene (A) and a vinyl compound (B) having the formula:wherein X is O, NH or NR5; R1, R2and R3are each independently H, C1-C8alkyl, C1-C8substituted aryl; R4is H, C1-C8alkyl, C6-C12cycloalkyl, C1-C10acyl, C1-C10acyloxy or C1-C8alkyl ether; R5is C1-C8alkyl and wherein the copolymer has at least 1 mol % (B) and has an MFR2of 1-1000 g/10 min.

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