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:
Dec. 03, 1985
Filed:
Sep. 19, 1984
Applicant:
Inventors:
Thirthahalli A Shenoy, Whitehall, PA (US);
Martha S Losin, Emmaus, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 17 ; 62 20 ; 62 28 ; 62 30 ; 62 42 ; 202154 ;
Abstract
The present invention is directed to an extractive distillation separatory technique wherein the improvement comprises a two stage column with a condenser only for the high pressure section and a reboiler only for the low pressure section, as well as a flash separation of a stream communicating between the sections.
Shenoy, Thirthahalli. (1985). Split-column extractive distillation (U.S. Patent No. 4556404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4556404
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile