Hydrolytically stable phosphite compositions

Details Hydrolytically stable phosphite compositions Hydrolytically stable phosphite compositions

2010-07-28

2011-11-01

Szekely, Peter (Department: 1761)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C252S400230, C252S401000, C524S151000, C524S152000, C524S153000, C524S247000, C524S249000

Reexamination Certificate

active

08048946

ABSTRACT:
Hydrolytically stable phosphites as secondary antioxidants for polymer resins comprising a phosphite and an amine compound. The phosphite may be a liquid phosphite composition. The amine compound may have the structure of formula I:wherein x is 1, 2 or 3; R1is selected from the group consisting of hydrogen, and straight or branched C1-C6alkyl, and R2is selected from the group consisting of straight or branched C1-C30alkyl.

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Chemtura Weston® 399 Technical information paper, XP-002619353.
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