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:
Sep. 17, 2002
Filed:
Dec. 16, 1999
Applicant:
Inventors:
Francoise Borg, Neuilly-sur-Seine, FR;
Luc Seyfried, Ecrainville, FR;
Dominique Lefebvre, Montivilliers, FR;
Assignee:
Total Raffinage Distribution S. A., Puteaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/175 ;
U.S. Cl.
CPC ...
G01N 2/175 ;
Abstract
Colored indicator for measuring the distribution of hydrocarbon families contained in a mixture, a procedure for obtaining it and its uses. In the colored indicator, the colorants that are able to be eluted with the family of aromatic hydrocarbons are free of organic compounds having an affinity with oxygenated compounds containing at least 6 carbon atoms.