Nova Patents
NO810983L

Process for improving the properties of a cracking catalyst.

Abstract

Deposits on a cracking catalyst are passivated by contacting the cracking catalyst with tin and at least one of phosphorus or sulfur.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Published
  4. Today

36 members in 9 offices

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
DocumentOfficeKindDate
13271980United States of AmericaA
132719–––
US19800132719–––

Members36

Family members, oldest first
DocumentOfficeKind
NO810983LThis recordNorwayL
EP0036661A1European Patent Office (EPO)A1
AU6730581AAustraliaA
JPS56144749AJapanA
ZA81993BSouth AfricaB
US4324648AUnited States of AmericaA
AU521877B2AustraliaB2
CA1153744ACanadaA
ES500614A0SpainA0
ES8402340A1SpainA1
JPS6043174B2JapanB2
NO155565BNorwayB
NO155565CNorwayC
MX159298AMexicoA
US2005185429A1United States of AmericaA1
US2005185430A1United States of AmericaA1
US2005254272A1United States of AmericaA1
US2005270812A1United States of AmericaA1
US7170764B2United States of AmericaB2
US2007091649A1United States of AmericaA1
US7212419B2United States of AmericaB2
US2007159862A1United States of AmericaA1
US2008123374A1United States of AmericaA1
US7408795B2United States of AmericaB2
US7420825B2United States of AmericaB2
US7423892B2United States of AmericaB2
US7548441B2United States of AmericaB2
US7561446B1United States of AmericaB1
US2009225575A1United States of AmericaA1
US7616465B1United States of AmericaB1
US7782639B2United States of AmericaB2
US7920391B1United States of AmericaB1
US7940540B2United States of AmericaB2
USRE44136EUnited States of AmericaE
US8462527B1United States of AmericaB1
US9413259B1United States of AmericaB1