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. 05, 2012
Filed:
Jun. 09, 2006
Heinz Vogt, Frankfurt am Main, DE;
Peter Josef Gronsfeld, Tönsvorst, DE;
Klaus Schmidt, Holzwickede, DE;
Heinz Vogt, Frankfurt am Main, DE;
Peter Josef Gronsfeld, Tönsvorst, DE;
Klaus Schmidt, Holzwickede, DE;
Basell Polyolefine GmbH, Wesseling, DE;
Mulheim Pipecoatings GmbH, Mulheim a.d. Ruhr, DE;
Abstract
A process for coating the exterior surfaces of a pipeline with a polymer that is cross-linkable under exposure to water, including a) coating the exterior surface of the pipeline with at least one polymer that is cross-linkable under exposure to water, where the employed cross-linkable polymer includes alkoxy silane grafted HDPE; and b) cross-linking of the cross-linkable polymer by exposure to water at elevated temperatures so as to form a cross-linked polymer layer having a degree of cross-linking of from 30% to 80% is reached.