Abstract: The present application is generally directed to novel compositions and methods used to produce a biodegradable, starch-based, water-resistant article of manufacture. The teachings include a composition comprising a biodegradable fiber component in an amount ranging from about 5% to about 40% on a dry weight basis, starch component in an amount ranging from about 40% to about 94.5% on a dry weight basis, and an additive component in an amount ranging from more than 0% to about 15% on a dry weight basis. The additive component can comprise an epoxidized vegetable oil, a hydrogenated triglyceride, poly(vinyl acetate), poly(vinyl acetate-ethylene) copolymer, poly(ethylene-vinyl acetate) copolymer, or a combination thereof.
Type:
Grant
Filed:
July 3, 2008
Date of Patent:
January 6, 2015
Assignee:
Chamness Biodegradables, LLC
Inventors:
Drew V. Speer, Ronald L. Cotterman, Dwight W. Schwark, David A. Dellinger
Abstract: One embodiment of the present invention provides a partly-biodegradable system, which comprises a non-biodegradable portion and a biodegradable portion wherein the non-biodegradable portion is easily separated from the biodegradable portion for disposal of the system. In certain embodiments, the system further comprises a cover layer of non-biodegradable film which adheres to the first non-biodegradable portion to form a sealed compartment for food or drink reservation.
Type:
Grant
Filed:
September 18, 2012
Date of Patent:
December 16, 2014
Assignee:
Chamness Biodegradables, LLC
Inventors:
David A. Dellinger, Neil J. Dunn, Elie Helou, Jr., William V. Hickey, Dwight W. Schwark, Drew V. Speer