Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-08-28
2010-02-16
Rábago, Roberto (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S338000, C525S340000, C525S370000, C525S375000, C525S329100
Reexamination Certificate
active
07662889
ABSTRACT:
An improved process for the metathetic degradation of nitrile rubber using catalyst systems comprising the catalyst and also a phosphane or diphosphane is provided.
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Kellner Monika
Müller Julia Maria
Nuyken Oskar
Obrecht Werner
LANXESS Deutschland GmbH
Rábago Roberto
Seng Jennifer R.
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