Stabilizer mixtures

Details Stabilizer mixtures Stabilizer mixtures

Filed on

2009-10-28

Date issued

2010-10-26

Examiner

Sanders, Kriellion A (Department: 1796)

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Processes of preparing a desired or intentional composition...

Other Related Categories

C524S089000, C524S099000, C524S102000, C524S103000, C252S401000, C252S403000

Type

Reexamination Certificate

Status

active

Patent number

07820744

Description

ABSTRACT:
A stabilizer mixture containing the components (A) and (B) whereincomponent (A) is for examplea compound of the formula (A-1)whereinA1is hydrogen or C1-C4alkyl,A2is a direct bond or C1-C10alkylene, andn1is a number from 2 to 50; andcomponent (B) is formed by two different low molecular weight sterically hindered amine compounds containing a group of the formula (I) or (II);with the proviso that components (A) and (B) are different.

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