Thomas Luck of Munchen, Germany, Claudia Schonweitz of Freising, Germany, Peter Pawlak of Zscherndorf, Germany, and Rolf Kippenhahn of Eschenbach, Switzerland, have developed a multilayered packaging for greasy products.
According to the U.S. Patent & Trademark Office: "The invention relates to a multilayered packaging for greasy products or part of said packaging, comprising a carrier layer made of a polymer material as main component and at least one layer placed on said carrier layer that does not form the outer side of the packaging, said layer containing a starch derivative as main component."
An abstract of the invention, released by the Patent Office, said: "The invention is characterized in the starch derivative is a starch derivative modified with a Carbon (C) sub 2 C sub 6-alkylene oxide. The invention also relates to the use of a C sub 2 C sub 6-alkylene oxide derivatized starch as main component of a layer of a multilayered packaging, which is placed on a carrier layer made of a polymer material in said packaging with the aim of rendering said multilayered packaging grease-tight."
Source: lexisnexis
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