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
2007-02-20
2007-02-20
Lipman, Bernard (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S330300, C525S330500, C525S330600, C525S338000, C525S339000, C525S340000, C525S363000, C525S367000
Reexamination Certificate
active
10913550
ABSTRACT:
This invention provides a method for purification of a vinyl polymerwhich comprises the atom transfer radical polymerization of a vinyl monomer using a transition metal complex as the polymerization catalyst,said vinyl polymer being brought into contact with an oxidizing agent or a reducing agent.
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Fujita Nao
Kitano Kenichi
Nakagawa Yoshiki
Kaneka Corporation
Lipman Bernard
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