Patent · US Active

Additives for crude oils

US8123930B2 · kind B2 · utility

10Cited by
20References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 2006
Grant dateFeb 28, 2012
Priority date
Expiry dateNov 10, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2030/24
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention thus provides crude oils and products which have been produced therefrom and comprise distillation residues, comprising at least one alkylphenol-aldehyde resin having a repeat structural unit of the formulawhere

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