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:
May. 26, 2020
Filed:
Sep. 11, 2015
Applicant:
Ube Industries, Ltd., Ube-shi, Yamaguchi, JP;
Inventors:
Assignee:
UBE INDUSTRIES, LTD., Ube-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B32B 27/30 (2006.01); F16L 11/04 (2006.01); B29C 48/09 (2019.01); B29C 48/21 (2019.01); B29C 48/00 (2019.01); B32B 27/34 (2006.01); B32B 27/32 (2006.01); C08L 77/06 (2006.01); F02M 37/00 (2006.01); C08G 69/02 (2006.01); B60K 15/01 (2006.01); B32B 27/22 (2006.01); C08L 23/00 (2006.01); B32B 27/08 (2006.01); B29K 23/00 (2006.01); B29K 79/00 (2006.01); B29L 23/00 (2006.01);
U.S. Cl.
CPC ...
F16L 11/045 (2013.01); B29C 48/022 (2019.02); B29C 48/09 (2019.02); B29C 48/21 (2019.02); B32B 1/08 (2013.01); B32B 27/08 (2013.01); B32B 27/22 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B60K 15/01 (2013.01); C08G 69/02 (2013.01); C08L 23/00 (2013.01); C08L 77/06 (2013.01); F02M 37/0017 (2013.01); F16L 11/04 (2013.01); B29K 2023/083 (2013.01); B29K 2079/08 (2013.01); B29L 2023/22 (2013.01); B32B 2250/04 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2307/546 (2013.01); B32B 2307/7265 (2013.01); B32B 2597/00 (2013.01); B32B 2605/08 (2013.01);
Abstract
Provided is a multilayer tube that has a layer containing an aliphatic polyamide (such as Polyamide 11 or Polyamide 12), a layer containing a Polyamide 6 composition or Polyamide 6/66/12 composition, a layer containing a saponified ethylene-vinyl acetate copolymer, and a layer containing a semi-aromatic polyamide composition that contains a semi-aromatic polyamide having a specific structure, and further has a fluorine-containing polymer in which a functional group having reactivity with an amino group is introduced into the molecular chain thereof.