COMPOSTABLE OR BIOBASED FOAMS

USPTO Patent Application US 2017/0100861 A1
Application Date: Apr. 13rd, 2017

ABSTRACT

The present invention describes compostable or biobased foams that are useful for fabricating foamed articles and methods for producing the same. The foams are produced using a compound comprising a...
Application Number:
15/382,999
International Classification:
B29C 44/34 (20060101); C08J 9/12 (20060101); B29B 9/06 (20060101)
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CLAIMS

We claim:

1. A method of making compostable or biobased foam beads comprising: mixing a biobased polymer and a physical blowing agent that does not contain a volatile organic component in an extruder wherein the extruder has a temperature that is above a melting point of the biobased polymer and wherein a biobased...

DESCRIPTION

CROSS REFERENCE TO RELATED APPLICATION

This application is a division of U.S. application Ser. No. 13/178,293 filed on Jul. 7, 2011; said application is based upon and claims benefit of copending and co-owned U.S. Provisional Patent Application Ser. No. 61/362,009 entitled “Biodegradable Foams”, filed with the U.S. Patent and Trademark Office on Jul. 7, 2010...
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