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. 16, 1993
Filed:
Nov. 23, 1992
Applicant:
Inventors:
Maurice Bosquain, Paris, FR;
Jean-Yves Lehman, Maison Alfort, FR;
Francois Darchis, Buc, FR;
Bruno Leprince-Ringuet, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
2611122 ;
Abstract
This device comprises a packet of corrugated plates (3) each disposed in a generally vertical plane, the corrugations being oblique and descending in opposite directions from one plate to the following plate. Each corrugation valley (5) having a lower end opening out laterally includes an projecting obstacle (7) in the vicinity of this lower end. Application in air distillation columns.