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:
Sep. 27, 1977
Filed:
Oct. 14, 1976
Applicant:
Inventors:
Takao Ishihara, Iwaki, JA;
Kiyoji Sanpei, Iwaki, JA;
Hiroshi Nabatame, Iwaki, JA;
Shoichi Motokawa, Iwaki, JA;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 96 ; 55242 ; 5525 / ; 208 / ;
Abstract
A demister is disclosed containing a plurality of bubble-cap trays and a plurality of sieve trays beneath the bubble-cap trays and arranged so that the distance between the uppermost sieve tray and the bottom surface of the lower-most bubble-cap tray is at least twice the distance between adjoining sieve trays. A spray nozzle for washing the bottom surface of the lowermost sieve tray with a cleaning oil is also provided.