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. 20, 1990
Filed:
Oct. 03, 1988
Applicant:
Inventors:
Luigi Gazzi, Milan, IT;
Carlo Rescalli, San Donato Milanese, IT;
Assignee:
Snamprogetti S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 43 ; 55 48 ; 55 68 ; 55 73 ; 62 17 ;
Abstract
A cryogenic process for the removal of acidic gases from natural or synthetic gases comprising preliminary cooling of the gas to condense a portion of the acidic gases contained in the gas, and contacting the cooled gas with a mixture of one or more organic selective solvents such as low molecular weight esters, alcohols and ethers and one or more organic compounds such as