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:
Nov. 22, 2022
Filed:
Mar. 29, 2011
Applicants:
Karl Kuhmann, Duelmen, DE;
Andreas Dowe, Borken, DE;
Rainer Goering, Borken, DE;
Inventors:
Assignee:
EVONIK OPERATIONS GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B32B 27/08 (2006.01); F16L 11/04 (2006.01); B32B 27/28 (2006.01); B32B 1/02 (2006.01);
U.S. Cl.
CPC ...
B32B 1/08 (2013.01); B32B 27/08 (2013.01); B32B 27/286 (2013.01); B32B 27/288 (2013.01); F16L 11/04 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2270/00 (2013.01); B32B 2307/51 (2013.01); B32B 2307/546 (2013.01); B32B 2597/00 (2013.01);
Abstract
A flexible pipe of multilayer structure with unbonded layers, where the pipe has an interior lining which comprises the following layers: