Patent · US Expired

Method for extending hydroconversion catalyst life

US5124024A · kind A · utility

51Cited by
11References
3Claims
0Family size

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Key dates

Filing dateNov 9, 1990
Grant dateJun 23, 1992
Priority date
Expiry dateNov 9, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J35/19
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method for prolonging a hydroconversion catalyst life-time is provided. An additive functional to partially redirect the deposition of catalytic poisoning agents on the catalyst is utilized. The additive may comprise a chemically inert, porous carbonaceous material or ferruginous clay.

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