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:
Mar. 03, 2020
Filed:
Jun. 10, 2016
The Lubrizol Corporation, Wickliffe, OH (US);
Daniel J. Saccomando, Belper, GB;
Natasha K. Horn, Oxford, GB;
Ewan E. Delbridge, Concord Township, OH (US);
Stephen J. Cook, Belper, GB;
John K. Pudelski, Cleveland Heights, OH (US);
Mark C. Davies, Pudong, CN;
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
A lubricating composition suited to use in a marine diesel engine includes an oil of lubricating viscosity and an amino carboxylate compound of formula (I): NRR—((CHR)NR)—(CHR)—COY, where Rand Rare independently selected from —(CHR)—COY', H, and CCalkyl and wherein at least one of Rand Ris —(CHR)—COY′; or wherein NRRis a cyclic structure; Y and Y′ are independently selected from —OR, NHR, and —N(R); each Ris independently selected from C-Calkyl and C-Calkenyl; R, Rand Rare independently selected from H and C-Calkyl; Ris selected from H, C-Calkyl, and (CHR)NH; x is from 2 to 4; and n is at least 1, except where NRRis a cyclic structure, where n is at least 0.