Patent · US Expired

Dewaxing catalysts and processes employing silicoaluminophosphate molecular sieves

US4960504A · kind A · utility

35Cited by
42References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1988
Grant dateOct 2, 1990
Priority date
Expiry dateFeb 22, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G45/64
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Dewaxing processes for hydrocarbon feedstocks are disclosed using novel catalysts comprising specific silicoaluminophosphates of U.S. Pat. No. 4,440,871. The products of the instant dewaxing processes are characterized by lower pour points than the hydrocarbon feedstock.

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