Refrigerant pipe, heat exchanger, and method for producing refrigerant pipe

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12038240
APP PUB NO 20210018282A1
SERIAL NO

17043413

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Abstract

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A copper-containing refrigerant pipe having an anticorrosive film, a heat exchanger, and a method for producing the refrigerant pipe are disclosed. The refrigerant pipe includes a pipe body including copper or a copper alloy and an anticorrosive film formed on the outer surface of the pipe body. The anticorrosive film is obtained by applying a coating agent to the outer surface of the pipe body. The coating agent contains one or more anticorrosive agents selected from the group consisting of (A) an organic sulfonate compound, (B) a polyhydric alcohol-organic acid ester compound, and (C) an aliphatic amine compound having 8 to 24 carbon atoms. When the coating agent includes an anticorrosive agent of (C) the aliphatic amine compound having 8 to 24 carbon atoms, (C) the aliphatic amine compound having 8 to 24 carbon atoms is included in an amount of 2.0 wt % or more and 10.0 wt % or less in the coating agent.

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Patent Owner(s)

  • DAIKIN INDUSTRIES, LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Araki, Shouhei Osaka, JP 3 0
Imazu, Keisuke Osaka, JP 3 0
Kanetake, Mirei Osaka, JP 3 0
Katayama, Hideo Osaka, JP 19 527
Ohya, Hideo Osaka, JP 4 3
Okada, Kunihiro Osaka, JP 17 376
Tanaka, Yuuji Osaka, JP 94 339

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