Patent · US Expired

Polymeric mannich additives

US6015863A · kind A · utility

6Cited by
12References
53Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1998
Grant dateJan 18, 2000
Priority date
Expiry dateApr 2, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1352
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Polymeric Mannich base condensates useful as fuel and lubricant additives. The polymeric Mannich base additives are the reaction products of poly (alpha-olefin/unsaturated acidic reactants) with Mannich base adducts of alkyl-substituted phenols condensed with aldehydes and amines.

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