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.

Date of Patent:
Feb. 27, 2018

Filed:

Jan. 12, 2015
Applicant:

Yokogawa Corporation of America, Newnan, GA (US);

Inventor:

William Marcus Trygstad, Spring, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/85 (2006.01); G01N 21/359 (2014.01); G01N 21/65 (2006.01); G01N 21/3577 (2014.01);
U.S. Cl.
CPC ...
G01N 21/359 (2013.01); G01N 21/3577 (2013.01); G01N 21/65 (2013.01);
Abstract

Apparatus and method for the determination of weight fractions of hydrocarbons, water and acid in the acid catalyst phase of petroleum refinery alkylation catalyst streams by flowing the acid catalyst phase through a density detector and a spectrometer cell so that the determination can be made according to first principles. An alternative apparatus and method uses spectroscopy without the density detector.


Find Patent Forward Citations

Loading…