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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.:

US 10137475 B1

PDFFull Text
Date of Patent:
Nov. 27, 2018

Filed:

Jun. 28, 2017

Coating system, a method of applying the coating system and an article comprising the coating system

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Yanxiang Li, Midland, MI (US);

Paul J. Popa, Auburn, MI (US);

John N. Argyropoulos, Midland, MI (US);

Sandra Hofmann, Einsiedeln, CH;

Ray E. Drumright, Midland, MI (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:

Marc S Zimmer

Int. Cl.
CPC ...
B32B 27/40 (2006.01); B32B 27/38 (2006.01); B05D 7/00 (2006.01); C09D 175/04 (2006.01); C09D 163/00 (2006.01); C09D 175/12 (2006.01); C09D 161/20 (2006.01); C09D 161/22 (2006.01); C09D 161/32 (2006.01); C08G 71/04 (2006.01); C09D 133/06 (2006.01); C09D 5/00 (2006.01);
U.S. Cl.
CPC ...
B05D 7/542 (2013.01); B05D 7/52 (2013.01); B32B 27/38 (2013.01); B32B 27/40 (2013.01); C08G 71/04 (2013.01); C09D 5/002 (2013.01); C09D 133/066 (2013.01); C09D 161/20 (2013.01); C09D 161/22 (2013.01); C09D 161/32 (2013.01); C09D 163/00 (2013.01); C09D 175/04 (2013.01); C09D 175/12 (2013.01); B05D 2503/00 (2013.01); B05D 2504/00 (2013.01); Y10T 428/31511 (2015.04);
Abstract

A coating system comprising an epoxy coating layer prepared from an epoxy formulation which comprises an epoxy resin; a curing agent with no more than 4.5 wt % free amine based on a weight solids of the curing agent; and an adjacent layer prepared from a non-isocyanate polyurethane formulation wherein the epoxy formulation and/or non-isocyanate polyurethane formulation optionally further comprise one or more additives selected from the group consisting of solvent, reactive diluent, plasticizer, pigment, filler; rheology modifiers, dispersants, surfactants, UV stabilizers, and corrosion inhibitors is provided. Also provided are a method of applying a multi-layer coating system and an article comprising a coating system.

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