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Title:
HEAT EXCHANGER MADE OF ALUMINUM ALLOY WHERE OFFENSIVE CONSTITUENT CANNOT ADHERE EASILY
Document Type and Number:
Japanese Patent JP2002206894
Kind Code:
A
Abstract:

To provide a heat exchanger made of an aluminum alloy where an offensive odor (especially tobacco odor) cannot adhere easily.

At least one portion of the surface of the heat exchanger made of an aluminum alloy is covered with an organic hydrophilic coating that contains at least one type selected from chitosan and its derivative (A) and at least one type of organic compound having at least two carboxyl groups per molecule (B) so that their total solid content (A)+(B) is equal to or more than 20 wt.%.


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JPS6033496HEAT EXCHANGER
Inventors:
Hamamura, Kazunari
Kobayashi, Kengo
Sugawara, Hiroyoshi
Kasebe, Osamu
Uchiyama, Kazuhisa
Application Number:
JP2001000343259
Publication Date:
July 26, 2002
Filing Date:
November 08, 2001
Export Citation:
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Assignee:
NIPPON PARKERIZING CO LTD
DENSO CORP
International Classes:
F28F1/32; B05D5/00; B05D7/14; F28F13/18; F28F19/02; (IPC1-7): F28F19/02; B05D5/00; B05D7/14; F28F1/32; F28F13/18
Attorney, Agent or Firm:
石田 敬 (外3名)