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:
Nov. 06, 1990
Filed:
Jun. 22, 1989
Shinobu Yamamoto, Hiroshima, JP;
Kunihiro Okada, Hiroshima, JP;
Yoshihiro Hirobe, Hiroshima, JP;
Ryo Yamamoto, Hiroshima, JP;
Satoshi Ohi, Hiroshima, JP;
Shiro Oyama, Saitama, JP;
Yasuharu Takei, Hiroshima, JP;
Fumakilla Limited, Tokyo, JP;
Abstract
A heat fumigation apparatus for transpiring a solution of a chemical agent dissolved in a solvent by heating which comprises a container having the solution therein, a wick a part of which is immersed in the solution and a heater for heating the upper portion of the wick thereby transpiring the solution drawn up the wick. The wick is composed of an inorganic powder and/or an organic powder, a binding agent and at least one antioxidant which is substantially non-evaporative at a heating temperature.