Patent details
EP1533301 Title: Preparation of polyisocyanates containing uretdione groups with bicycloalkylphosphines as catalysts
Basic Information
- Publication number:
- EP1533301
- PCT Application Number:
- Type:
- European Patent Granted for LU
- Legal Status:
- Lapsed
- Application number:
- EP040263907
- PCT Publication Number:
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- German
- English Title of Invention:
- Preparation of polyisocyanates containing uretdione groups with bicycloalkylphosphines as catalysts
- French Title of Invention:
- Préparation de polyisocyanates contenant des groupes uretdione en présence d'un catalyseur bicycloalkylphosphine
- German Title of Invention:
- Herstellung uretdiongruppenhaltiger Polyisocyanate mit Bicycloalkylphosphinen als Katalysatoren
- SPC Number:
Dates
- Filing date:
- 06/11/2004
- Grant date:
- 26/08/2009
- EP Publication Date:
- 26/08/2009
- PCT Publication Date:
- Claims Translation Received Date:
- Translations Received Date (B1 EP Publication):
- Translations Received Date (B2 EP Publication):
- Translations Received Date (B3 EP Publication):
- Publication date:
- 25/05/2005
- EP B1 Publication Date:
- 26/08/2009
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- 06/11/2009
- Expiration date:
- 06/11/2024
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
- From:
- 06/11/2004
- Name:
- Bayer MaterialScience AG
- Address:
- -, 51368 Leverkusen, Germany (DE)
Inventor
1
- Name:
- Richter Frank, Dr.
- Address:
- Germany (DE)
2
- Name:
- Halpaap Reinhard, Dr.
- Address:
- Germany (DE)
3
- Name:
- Laas Hans-Josef, Dr.
- Address:
- Germany (DE)
4
- Name:
- Hecking Andreas
- Address:
- Germany (DE)
Priority
- Priority Number:
- 10354544
- Priority Date:
- 21/11/2003
- Priority Country:
- Germany (DE)
Classification
- Main IPC Class:
- C07D 229/00;
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