Biodegradable material based on polymer and cereal flour,...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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C524S052000, C106S125100

Reexamination Certificate

active

07148272

ABSTRACT:
A biodegradable material comprising a mixture of at least one polymer with at least one cereal grain flour and, optionally, one or more acceptable additives.

REFERENCES:
patent: 4172054 (1979-10-01), Ogawa et al.
patent: 5118725 (1992-06-01), Suominen
patent: 5320669 (1994-06-01), Lim et al.
patent: 5609817 (1997-03-01), Patil et al.
patent: 0 421 413 (1991-04-01), None
patent: 2 610 635 (1988-12-01), None
patent: 50 073942 (1975-06-01), None
patent: WO 93/05668 (1993-04-01), None
Ramkumar D H S et al. “Properties of Injection Moulded Starch/Synthetic Polymer Blends-II. Evaluation of Mechanical Properties.” Eur. Polym. J. vol. 33, No. 5, pp. 729-742 1997.

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