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:
Nov. 24, 2020
Filed:
Aug. 29, 2017
Gale Campbell, Lafayette, LA (US);
Gale Campbell, Lafayette, LA (US);
Other;
Abstract
A method making fuel oil from refining residuals. Refining residuals are mixed with a diluent and an additive. Preferred diluents include diesel and reformed naphtha and combinations thereof. The additive is believed to be a cross-linked cyclic anhydride copolymer having an intrinsic viscosity (limiting viscosity, η) of between about 0.10 and 3.0 deciliters per gram and an average molecular weight between about 3,000 and 3,000,000. The additive includes excess aromatic hydrocarbons and a surfactant. In the preferred embodiment, the diluent and the residuals are mixed together in a ratio of about 3:1, by weight. The additive is introduced to this mixture in the amount of about 0.10 to 0.25 percent by weight. The components are thoroughly combined to yield a fuel oil having a viscosity that is about 25 to as much as about 70 percent lower than the viscosity of the same residual/diluent mixture lacking the additive.