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:
Oct. 26, 1982
Filed:
Jan. 28, 1980
Applicant:
Inventors:
Gerhard Linde, Gruenwald, DE;
Guenter Rueckborn, Gruenwald, DE;
Assignee:
Linde Aktiengesellschaft, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 13 ; 62 29 ; 62 38 ;
Abstract
In the obtaining of oxygen from air by low-temperature rectification in a double rectification column by compressing the air to be fractionated into higher and lower pressure partial streams; cooling said partial streams in indirect heat exchange with a nitrogen-enriched gaseous stream from the rectification column; and introducing the partial stream of the air to be fractionated which has been compressed to the higher pressure into the lower part of the high pressure column,