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:
Jul. 05, 2022
Filed:
Sep. 26, 2017
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventor:
Yutaka Shibata, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/52 (2006.01); C23C 8/10 (2006.01); C23C 22/68 (2006.01); C23F 11/18 (2006.01); C23C 22/78 (2006.01); F28F 21/08 (2006.01); F28F 19/00 (2006.01); C23F 11/00 (2006.01); C23C 8/40 (2006.01); F28F 19/06 (2006.01);
U.S. Cl.
CPC ...
C23C 22/68 (2013.01); C23C 22/78 (2013.01); C23F 11/00 (2013.01); C23F 11/18 (2013.01); F28F 19/00 (2013.01); F28F 21/08 (2013.01); F28F 19/06 (2013.01);
Abstract
A pipe is manufactured through injecting a chloride ion-containing aqueous solution into a copper pipe to fill the copper pipe, thereby forming a copper oxide film on an inner surface of the copper pipe.