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
2006-03-14
2008-11-04
Gulakowski, Randy (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...
C525S339000
Reexamination Certificate
active
07446152
ABSTRACT:
In the production of a nuclear-hydrogenated polymer, the hydrogenation of an aromatic vinyl compound—(meth)acrylate copolymer is conducted in a mixed solvent comprising an ester compound and an alcohol compound in the presence of a catalyst. By this method, a highly transparent nuclear-hydrogenated polymer is produced safely, stably and quickly, even when the degree of nuclear-hydrogenation is low.
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Kushida Yasuhiro
Shima Yoshikazu
Sugano Yuuichi
Yamauchi Tatsuya
Antonelli, Terry Stout & Kraus, LLP.
Gulakowski Randy
Maksymonko John M
Mitsubishi Gas Chemical Company Inc.
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