Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2009-01-08
2011-12-20
Kugel, Timothy J. (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C428S035600, C521S050000, C521S082000, C521S084100, C523S128000
Reexamination Certificate
active
08080596
ABSTRACT:
A method for producing a biodegradable plastic material includes: hydrolyzing starch to form a hydrolyzed starch; esterifying the hydrolyzed starch to form a hydrolyzed and esterified starch; drying the hydrolyzed and esterified starch to obtain a dried modified starch; and mixing the dried modified starch with a plastic material, such as an EVA copolymer.
REFERENCES:
patent: 3355322 (1967-11-01), Worrall et al.
patent: 2010/0237527 (2010-09-01), Wu et al.
patent: WO 2005023873 (2005-03-01), None
Chu Shih-Chien
Lee Ting-Yu
Lin Chao-Wei
Wang Ming-Lei
Wu Shu-Yii
Feng Chia University
Frommer & Lawrence & Haug LLP
Kugel Timothy J.
Pou Chien Technology Co., Ltd.
Santucci Ronald R.
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