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. 09, 1980
Filed:
Apr. 03, 1979
Applicant:
Inventors:
Andre Ciais, Mornant, FR;
Andre Lambelin, St Pierre de Chandieu, FR;
Assignee:
Elf Union, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01L / ;
U.S. Cl.
CPC ...
422101 ; 2323 / ; 202161 ; 202162 ; 202169 ; 202172 ; 203D / ; 203 98 ; 422 68 ; 422280 ; 422282 ;
Abstract
An apparatus to measure the asphaltene content of petroleum products where a precipitation evaporator for the sample is surmounted by a condensing unit. Immediately below the precipitation evaporator is a filtering unit with a rinsing vapor inlet line for conveying washing liquid from a balloon-flask evaporator. The precipitation evaporator is also equipped with an adjustable flap for preventing fluid from passing to the filtering unit.