Patent DE695756C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE695756C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the production of copolymers

Assignee: IG Farbenindustrie AG
•
Filing: 1938-07-13
•
Granted: 1940-09-02
•
Expires: 1958-07-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dr Heinrich Hopff
  • 👤 Dr Wilhelm Rapp

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-02 18:29
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04

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