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. 01, 1977
Filed:
Feb. 24, 1975
Applicant:
Inventors:
Allan E Fowler, Lake Jackson, TX (US);
John E Protz, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 32 ; 55 84 ;
Abstract
Natural or industrial gas streams are dehydrated with liquid organic desiccants and the desiccants are treated in a thermal reconcentration zone to remove a major portion of the water contained therein followed by treatment in an isothermal azeotroping zone to remove substantially all the remaining water with low energy requirements.