Back to results
US 6,191,196 B1Granted
Biodegradable polymer compositions, methods for making same and articles therefrom
AssigneesThe United States of America as represented by the Secretary of Agriculture, Biotechnology Research and Development Corporation
InventorsJulious L. Willett, William M. Doane
Life of this patent
Estimating the term…
Abstract
A polymer composition uncludes a first component being a hydroxy-functional polymer, a second component being a natural polymer and a third component being a thermoplastic polyester. The first component, second component and third component are compounded to form a polymer composition.
Claims41
A polymer composition:
- a first component being a hydroxy-functional polymer;
- a second component being a natural polymer;
- and
- a third component being a thermoplastic polyester, wherein the first component, second component and third component are compounded to form the polymer composition.
1 more element
An article comprising:
- a first component being a hydroxy-fonctional polymer;
- a second component being a natural polymer;
- a third component being a thennoplastic polyester, wherein the first component, second component and third component are compounded to form a polymer composition which is processed by at least one of a group comprising pelletizing, extruding, molding, casting, stamping into the article.
A method of making a polymer composition, said method comprising the steps of:
- providing a first component being a hydroxy-functional polymer;
- providing a second component being a natural polymer;
- providing a third component being a thermoplastic polyester;
- and
- compounding the components to form a polymer composition.
2 more elements
Dependencies are inferred from the claim text.