Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2011-08-02
2011-08-02
Mulcahy, Peter D (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S275000, C524S277000, C524S278000, C524S279000, C524S488000, C524S487000, C524S489000
Reexamination Certificate
active
07989522
ABSTRACT:
A biodegradable wax composition containing a wax as a main component and also containing a biodegradable polymer and a filler and having a moisture permeability of 3 g·mm/m2·24 hr or less at 40° C. and 90% RH. The wax is preferably present in an amount of 65 to 95% by weight. The biodegradable polymer preferably has a weight average molecular weight of 200,000 or higher. The polymer is preferably polyisoprene or natural rubber and is preferably present in an amount of 5 to 35% by weight.
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Goto Minoru
Isshiki Nobuyuki
Odajima Shingo
Oga Hidetoshi
Otsuka Hitoshi
Kao Corporation
Mulcahy Peter D
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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