← Back to Patent Explorer
EP0115641A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for preparing bifunctional polyphenylene ethers

Assignee: Bayer AG
•
Filing: 1983-12-30
•
Granted: —
•
Expires: 2003-12-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Die Erfindung betrifft ein Verfahren zur Herstellung von bifunktionellen Polyphenylethern. The invention relates to a process for the preparation of bifunctional polyphenyl ethers.

Inventors

  • 👤 Walter Prof. Dr. Heitz
  • 👤 Wilhelm Dipl.-Chem. Risse

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 17:41
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/487; C08G18/4879; C08G64/00; C08G64/18; C08G64/183; C08G65/00; C08G65/34; C08G65/48; C08G65/485

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag