Patent · US Expired

Cyclic nitroxyl compounds as additives for lubricating oils

US6998368B2 · kind B2 · utility

0Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 2003
Grant dateFeb 14, 2006
Priority date
Expiry dateJul 9, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2030/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A composition comprising: (a) from 0.1% to 20% of at least one cyclic compound having a nitroxyl group and a thioamide group; and (b) a lubricating oil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.