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:
Jun. 03, 2008
Filed:
May. 17, 2004
Yasuhiro Akita, Nagoya, JP;
Shunichi Hayashi, Nagoya, JP;
Hiroshi Mizutani, Nagoya, JP;
Norio Miwa, Nagoya, JP;
Akio Yagi, Nagoya, JP;
Takashi Nitta, Nishikasugai-gun, JP;
Tadao Takahashi, Nishikasugai-gun, JP;
Izumi Tanaka, Nagoya, JP;
Yasuhiro Akita, Nagoya, JP;
Shunichi Hayashi, Nagoya, JP;
Hiroshi Mizutani, Nagoya, JP;
Norio Miwa, Nagoya, JP;
Akio Yagi, Nagoya, JP;
Takashi Nitta, Nishikasugai-gun, JP;
Tadao Takahashi, Nishikasugai-gun, JP;
Izumi Tanaka, Nagoya, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A humidifier is superior in terms of hygiene, simple in terms of maintenance, humidity is easily adjusted, and energy consumption is low. The humidifier uses, as a moisture permeable membrane, a moisture-permeable polyurethane obtained by using, as raw materials, at least an isocyanate component, a diol as a chain extender, and polyethylene glycol as a polyol component, and reacting these raw materials.