Nova Patents
AT274541T

Methods of post-polymerisation extruder injection in condensation polymer production

Abstract

A method for introducing additives into condensation polymers, comprising combining in an extruder, of condensation polymers having carbonyl functionality and a reactive carrier having a molecular weight of between 300 g / mol and 10,000 g / mol, reagent discharge carrier vehicle for one or more additives.

Term

No projected expiry on record.

  1. Priority
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60 members in 12 offices

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Priority claims
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73815000United States of AmericaA
93215001United States of AmericaA
0148440United States of AmericaW

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EP1341836A1European Patent Office (EPO)A1
MXPA03005332AMexicoA
MXPA03005346AMexicoA
MXPA03005347AMexicoA
EP1349884A2European Patent Office (EPO)A2
EP1353985A2European Patent Office (EPO)A2
TW575600BTaiwan Province of ChinaB
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JP2004515621AJapanA
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EP1349884B1European Patent Office (EPO)B1
AT274541TThis recordAustriaT
ATE274541T1AustriaT1
DE60105197D1GermanyD1
JP2004530733AJapanA
US6803082B2United States of AmericaB2
TR200402748T4TürkiyeT4
ES2223958T3SpainT3
EP1341836B1European Patent Office (EPO)B1
AT290035TAustriaT
ATE290035T1AustriaT1
TWI230180BTaiwan Province of ChinaB
DE60109195D1GermanyD1
ES2236348T3SpainT3
US2005170175A1United States of AmericaA1
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TWI249545BTaiwan Province of ChinaB
DE60109195T2GermanyT2
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CA2431637CCanadaC
CA2431527CCanadaC
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US7858731B2United States of AmericaB2