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:
Oct. 24, 2000
Filed:
Jul. 05, 1996
Ralph M Forde, Benicia, CA (US);
Majid R Ahmadi, Hercules, CA (US);
Richard E Cherpeck, Cotati, CA (US);
Chevron Chemical Company, San Ramon, CA (US);
Abstract
A fuel composition has a major portion of hydrocarbons boiling in the gasoline range, at least 1,200 ppm by weight of a detergent, and at least 2,400 ppm by weight of a mineral carrier fluid. The detergent is a hydrocarbyl-substituted amine or polyamine having at least one basic nitrogen. The weight ratio of mineral carrier fluid to detergent of the fuel composition is at least 2:1. Preferably, the detergent is present at a concentration of at least 2,000 ppm by weight, and the weight ratio of mineral carrier fluid to detergent is at least 4:1. Preferably, the detergent is either a polybutene amine or a polybutene succinimide.