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:
Oct. 31, 2017
Filed:
Jul. 03, 2013
Applicant:
Bayer Materialscience Ag, Monheim am Rhein, DE;
Inventors:
Tomokazu Shigemori, Amagasaki, JP;
Hiroshi Morita, Shijonawate, JP;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 7/00 (2006.01); C09D 175/06 (2006.01); C08G 18/02 (2006.01); C08G 18/79 (2006.01); C08G 18/62 (2006.01); C08G 18/73 (2006.01); C08G 18/78 (2006.01); C08G 18/80 (2006.01); C09D 175/04 (2006.01);
U.S. Cl.
CPC ...
B05D 7/532 (2013.01); B05D 7/53 (2013.01); C08G 18/02 (2013.01); C08G 18/022 (2013.01); C08G 18/6229 (2013.01); C08G 18/6254 (2013.01); C08G 18/73 (2013.01); C08G 18/7818 (2013.01); C08G 18/7831 (2013.01); C08G 18/7837 (2013.01); C08G 18/79 (2013.01); C08G 18/791 (2013.01); C08G 18/792 (2013.01); C08G 18/80 (2013.01); C08G 18/8061 (2013.01); C09D 175/04 (2013.01); C09D 175/06 (2013.01); Y10T 428/31551 (2015.04); Y10T 428/31554 (2015.04);
Abstract
[Problem] In a coating method of a two-coat one-bake system where a clear coat paint is coated after a base coat paint is coated, then these two coated layers are simultaneously hardened, adhesive strength between the two coated layers is to increase in comparison with the conventional method. [Solution] Provided is a coating method; A specific hardener is used in the clear coat paint. The hardener is one containing a polyisocyanate derived from 1,6-hexamethylene diisocyanate, satisfying all the following conditions: