Nova Patents
AT384747T

Process to prepare branched ethylene-propylene copolymers

Abstract

Claims a method to improve the melt strength and shearing forces and a branched ethylene-propylene composition. Ethylene-propylene composition with high molecule weight is weight-average polymer with ') is less than 0.95. , And provides a method for efficient production more of ethylene the novel method for polypropylene composition, comprising: a) and vinyl monomer and inertia hydrocarbon solvent or the diluting the acrylic monomer and containing the reactor in one or the catalyst composition with of more of simple and catalyst compound.

Term

No projected expiry on record.

  1. Priority
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18 members in 11 offices

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

Priority claims1

Priority claims
DocumentOfficeKindDate
11322798United States of AmericaP

Members18

Family members, oldest first
DocumentOfficeKind
CA2356667A1CanadaA1
WO0037514A1World Intellectual Property Organization (WIPO)A1
KR20010081088ARepublic of KoreaA
BR9916426ABrazilA
EP1141051A1European Patent Office (EPO)A1
MXPA01006372AMexicoA
CN1361795AChinaA
JP2002533485AJapanA
US2003060583A1United States of AmericaA1
US6569965B2United States of AmericaB2
US6573350B1United States of AmericaB1
CN1234739CChinaC
KR100653018B1Republic of KoreaB1
EP1141051B1European Patent Office (EPO)B1
AT384747TThis recordAustriaT
ATE384747T1AustriaT1
DE69938061D1GermanyD1
JP4860819B2JapanB2