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:
Jan. 24, 1984
Filed:
Mar. 03, 1982
Applicant:
Inventors:
Sanjay R Srivatsa, Naperville, IL (US);
Edwin C Zuerner, Jr, Bolingbrook, IL (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 54 ; 137 92 ;
Abstract
A method for recovering oil from a waste oil emulsion or sludge where the waste oil emulsion is heated and chemicals are added to obtain oil-water resolution, which includes conducting bottle and beaker tests on waste oil emulsion samples to obtain a trend which depicts a drop in viscosity as a function of the type and dosage of chemical added, and apparatus for utilizing the waste oil emulsion viscosity trend in the operation of a waste oil cooker or recovery vessel to add type and dosage of chemicals.