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.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Nov. 19, 2015
Bio-tec Biologische Naturverpackungen Gmbh & Co. KG, Emmerich, DE;
Ralf Hackfort, Emmerich, DE;
Johannes Mathar, GP's-Heerenberg, NL;
Frank Rörthmans, Issum-Sevelen, DE;
Harald Schmidt, Emmerich, DE;
Christoph Hess, Rees, DE;
BIO-TEC BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KG., Emmerich, DE;
Abstract
A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and in each case at least one substantially water-impermeable covering layer B, C arranged above and below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate is presented and described. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described.