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:
Feb. 05, 2008
Filed:
Aug. 25, 2005
Robert Michael Mason, Houston, TX (US);
Jeffery Alan Goodwin, League City, TX (US);
Ronald Drew Myers, Southampton, PA (US);
Michael Stanley Decourcy, Houston, TX (US);
Robert Michael Mason, Houston, TX (US);
Jeffery Alan Goodwin, League City, TX (US);
Ronald Drew Myers, Southampton, PA (US);
Michael Stanley DeCourcy, Houston, TX (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
Separations processes and apparati capable of purifying thermally sensitive materials at high capacity. An apparatus having a rectification section and a stripping section with the stripping section having a stripping tray with 5 to 50% open area, a pressure drop from 0.02 psi to 0.2 psi and a tray efficiency during operation of the column which is equal to or greater than 20%.