Nova Patents
AT277104T

Process for preparation of modified 1,3-propanediol-based polyesters

Abstract

A wherein based on 1,3 3-propanediol the aromatic parts of such a terephthalic acid propylene glycol ester and hindered phenol reaction, further modified, comprising providing a terminated the polyester, the polyester with the air the heating for the prevention of the synthesizing method of performance.

Term

No projected expiry on record.

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

28 members in 18 offices

This recordMember, by publication datePriority claim8 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
75659596United States of AmericaA
75719796United States of AmericaA
9706699European Patent Office (EPO)W

Members28

Family members, oldest first
DocumentOfficeKind
CA2273332A1CanadaA1
WO9823662A2World Intellectual Property Organization (WIPO)A2
AU5753198AAustraliaA
WO9823662A3World Intellectual Property Organization (WIPO)A3
ID21572AIndonesiaA
ZA9710542BSouth AfricaB
EP0941266A2European Patent Office (EPO)A2
TR199901632T2TürkiyeT2
CN1242024AChinaA
AR009637A1ArgentinaA1
US6093786AUnited States of AmericaA
BR9714640ABrazilA
KR20000069134ARepublic of KoreaA
AU730006B2AustraliaB2
JP2001504545AJapanA
US6242558B1United States of AmericaB1
TW440574BTaiwan Province of ChinaB
CN1122061CChinaC
EP0941266B1European Patent Office (EPO)B1
AT277104TThis recordAustriaT
ATE277104T1AustriaT1
DE69730855D1GermanyD1
ES2224293T3SpainT3
DE69730855T2GermanyT2
KR100543803B1Republic of KoreaB1
MY128317AMalaysiaA
CA2273332CCanadaC
JP4052677B2JapanB2