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. 10, 1980
Filed:
Oct. 04, 1978
Applicant:
Inventors:
Pentti P Ronkainen, Espoo, FI;
Olavi A Leppanen, Vantaa, FI;
Kyosti T Vento, Rajamaki, FI;
Heimo K Pesonen, Rajamaki, FI;
Assignee:
Oy Alko AB, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
2611 / ; 202158 ; 2022 / ; 202270 ; 203 86 ; 203D / ; 2611 / ;
Abstract
A bubble-cap column for the distillation of high-sediment or clogging liquids is disclosed, in which the bubble-cap structures comprising a bubble-cap and a neck are detachable and removable from the column and lined with polytetrafluoroethylene.