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:
Mar. 02, 2004
Filed:
Jan. 02, 2003
Kazunari Hamamura, Tokyo, JP;
Kengo Kobayashi, Nagoya, JP;
Hiroyoshi Sugawara, Anjo, JP;
Osamu Kasebe, Okazaki, JP;
Kazuhisa Uchiyama, Nagoya, JP;
Other;
Abstract
An aluminum alloy heat exchanger having excellent hydrophilicity and resistance to absorption or impregnation of tobacco odorous components has an organic hydrophilic coating layer formed on at least a portion of a base body of the heat exchanger and containing (A) at least one chitosan compound, (B) at least one two or more carboxyl group-containing organic compound and (C) at least one hydrophilic polymeric substance different from the components (A) and (B), in which the total solid content of components (A) and (B) is 20 mass % or more and the solid content of component (C) is 0.1 to 10 mass %.