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.:

US 9550133 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 24, 2017

Filed:

Oct. 11, 2011
Applicants:

Stefano Favilli, Rosignano Marittimo, IT;

Luciano Scibola, Crema, IT;

Inventors:

Stefano Favilli, Rosignano Marittimo, IT;

Luciano Scibola, Crema, IT;

Assignee:

SIME SRL, Rosignano Solvay (LI), IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/14 (2006.01); B01D 1/28 (2006.01); B01D 3/00 (2006.01); B01D 3/32 (2006.01); C07C 7/04 (2006.01);
U.S. Cl.
CPC ...
B01D 3/14 (2013.01); B01D 1/28 (2013.01); B01D 3/007 (2013.01); B01D 3/141 (2013.01); B01D 3/32 (2013.01); C07C 7/04 (2013.01);
Abstract

A method and an apparatus (') for separating 1,2,4-Trimethylbenzene by fractional distillation of a mixture () that contains C9 or C9+ aromatic hydrocarbons, and possibly hydrocarbons with less nine nine carbon atoms. In an aspect of the invention, a first distillation step and a second distillation step are carried out in respective distillation chambers (′) defined by a cylindrical vertical containerand by an inner partition wall () of the container.


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Favilli, Stefano. (2017). Process and equipment for separating 1,2,4 trimethylbenzene (pseudocumene) from a mixture containing aromatic hydrocarbons (U.S. Patent No. 9550133). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9550133

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