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:
Jun. 04, 2013
Filed:
May. 09, 2012
James J. Harrison, Novato, CA (US);
Kenneth D. Nelson, Napa, CA (US);
James J. Harrison, Novato, CA (US);
Kenneth D. Nelson, Napa, CA (US);
Chevron Oronite Company LLC, San Ramon, CA (US);
Abstract
The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.