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. 16, 2015
Filed:
Jun. 26, 2007
Applicants:
Gregory S. O'brien, Downingtown, PA (US);
William J. Hartzel, Cherry HIll, NJ (US);
James J. Henry, Downingtown, PA (US);
Inventors:
Gregory S. O'Brien, Downingtown, PA (US);
William J. Hartzel, Cherry HIll, NJ (US);
James J. Henry, Downingtown, PA (US);
Assignee:
Arkema Inc., King of Prussia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B32B 25/08 (2006.01); B32B 27/30 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
B32B 27/30 (2013.01); B32B 1/08 (2013.01); B32B 25/08 (2013.01); F16L 11/04 (2013.01);
Abstract
The invention relates to a tough, flexible multi-layer tube or other structure having a vinylidene fluoride contact layer. Such a tube is especially useful for high-purity contact applications, and contact where chemical resistance is needed. The vinylidene fluoride layer is melt-processible and may be a homopolymer, copolymer or terpolymer.