Nova Patents
PL368461A1

Multimodal polyethylene material

Abstract

The present invention relates to a polyethylene resin having a multimodal molecular weight distribution, said resin being further characterized in that it has a density in the range of from about 0.925 g/ccm to about 0.950 g/ccm, a melt index (I2) In the range of from about 0.05 g/10 min to about 5 g/10 min, and in that it comprises at least one high molecular weight (HMW) ethylene interpolymer and at least a low molecular weight (LMW) ethylene polymer, and a composition comprising such resin. Also provided is a shaped article comprising said resin or composition, in particular a pipe.

Term

Term ended

Projected expiry passed 28 August 2022, 4.1 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
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33 members in 15 offices

This recordMember, by publication datePriority claim5 more offices are in the list below

Priority claims4

Priority claims
DocumentOfficeKindDate
31640101United States of AmericaP
31640101United States of AmericaP
0160316401–––
US20010316401P–––

Members33

Family members, oldest first
DocumentOfficeKind
CA2457430A1CanadaA1
WO03020821A1World Intellectual Property Organization (WIPO)A1
KR20040029440ARepublic of KoreaA
EP1425344A1European Patent Office (EPO)A1
MXPA04001928AMexicoA
BR0212631ABrazilA
AR037142A1ArgentinaA1
CN1545536AChinaA
US2004266966A1United States of AmericaA1
JP2005501951AJapanA
EP1425344B1European Patent Office (EPO)B1
AT287924TAustriaT
ATE287924T1AustriaT1
DE60202780D1GermanyD1
PL368461A1This recordPolandA1
ES2232767T3SpainT3
DK1425344T3DenmarkT3
DE60202780T2GermanyT2
US2007112160A1United States of AmericaA1
US7250473B2United States of AmericaB2
CN100362049CChinaC
KR20080068916ARepublic of KoreaA
CN101230161AChinaA
KR100872219B1Republic of KoreaB1
JP2009062539AJapanA
KR100895729B1Republic of KoreaB1
PL203162B1PolandB1
CN101230161BChinaB
CA2457430CCanadaC
US8101687B2United States of AmericaB2
JP2014001400AJapanA
JP5596280B2JapanB2
BR0212631B1BrazilB1