Nova Patents
AT416211T

Thermoplastic polyurethanes

Abstract

The method of the invention relates to the preparation of thermoplastic polyurethane, comprising: (i) wherein the molecular weight of the 15000-40000g/mol thermoplastic polyester and molecular weight of the 62-500g/mol component (c) reaction, and is (ii) is or the non-porous (d) and/or catalyst (e) the auxiliary material, is enabled of comprises (b1) melting point of formula (i) comprises is higher than 150℃ polyester diols the reaction product in a ((i) melting point lower than 150℃, and molecular weight of the 501-8000g/mol polyether glycol and/or polyester diols the) and (a) isocyanate reaction.

Term

Term ended

Expired 30 July 2022, 4.2 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

24 members in 9 offices

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Priority claims
DocumentOfficeKindDate
10138298GermanyA

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DocumentOfficeKind
WO03014179A1World Intellectual Property Organization (WIPO)A1
DE10138298A1GermanyA1
KR20040019399ARepublic of KoreaA
EP1419188A1European Patent Office (EPO)A1
US2004171767A1United States of AmericaA1
CN1541233AChinaA
JP2004537621AJapanA
CN1733817AChinaA
CN1271107CChinaC
EP1693394A1European Patent Office (EPO)A1
EP1419188B1European Patent Office (EPO)B1
AT354597TAustriaT
DE50209550D1GermanyD1
US7241854B2United States of AmericaB2
ES2281541T3SpainT3
US2008146749A1United States of AmericaA1
JP4173097B2JapanB2
EP1693394B1European Patent Office (EPO)B1
AT416211TThis recordAustriaT
DE50213090D1GermanyD1
ES2315999T3SpainT3
KR100909410B1Republic of KoreaB1
CN100586977CChinaC
US8680213B2United States of AmericaB2