The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 14, 2007

Filed:

Sep. 29, 2003
Applicants:

Sabine Fischer, Mierlo, NL;

Eric G. M. Craenmehr, Venlo, NL;

Jan J. DE Vlieger, Eindhoven, NL;

Theodoor M. Slaghek, Rotterdam, NL;

Inventors:

Sabine Fischer, Mierlo, NL;

Eric G. M. Craenmehr, Venlo, NL;

Jan J. De Vlieger, Eindhoven, NL;

Theodoor M. Slaghek, Rotterdam, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 5/00 (2006.01); C08L 3/04 (2006.01); C08L 3/10 (2006.01); C08J 3/05 (2006.01);
U.S. Cl.
CPC ...
Abstract

Starch can be gelatinised more efficiently by a thermomechanical treatment, if a dialdehyde polysaccharide with a relatively low degree of oxidation is added to the starch. This thermomechanical treatment can be carried out at a temperature below 115 DEG C., or even below 100 DEG C., and with a high throughput rate. With this treatment a granulate or other semi-finished product is obtained that can be shaped to produce an article that has excellent dimensional stability in water. By adding dialdehyde polysaccharide with a low degree of oxidation to starch it is possible to blow transparent films based on thermoplastic starch which have improved mechanical properties.


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