Nova Patents
NO993227L

Recovery of a secondary ethylene stream from an ethylene purification process

Abstract

This record has no abstract on file.

Term

No projected expiry on record.

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

18 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims12

Priority claims
DocumentOfficeKindDate
3394896United States of AmericaP
3394896United States of AmericaP
3424096United States of AmericaP
3424096United States of AmericaP
9723878United States of AmericaW
9723878United States of AmericaW
3394896–––
3424096–––
9723878–––
US19960033948P–––
US19960034240P–––
WO1997US23878–––

Members18

Family members, oldest first
DocumentOfficeKind
WO9829366A1World Intellectual Property Organization (WIPO)A1
AU5719098AAustraliaA
ZA9711705BSouth AfricaB
NO993227D0NorwayD0
NO993227LThis recordNorwayL
US5960643AUnited States of AmericaA
EP0960086A1European Patent Office (EPO)A1
CN1241991AChinaA
AR011311A1ArgentinaA1
US6212905B1United States of AmericaB1
US6213053B1United States of AmericaB1
CN1089741CChinaC
EP0960086B1European Patent Office (EPO)B1
AT226185TAustriaT
ATE226185T1AustriaT1
DE69716479D1GermanyD1
ES2186014T3SpainT3
DE69716479T2GermanyT2