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:
Jul. 10, 1990
Filed:
Aug. 17, 1988
Applicant:
Inventor:
Didier C Lambert, Lavera, FR;
Assignee:
BP Oil International Limited, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
250343 ; 25022711 ;
Abstract
The flocculation threshold of a petroleum product containing asphaltenes is measured by measuring the radiation in the near infrared transmitted through a sample of the product in solution in a solvent in relation to the quantity of precipitant continuously added to the sample.