← Back to Patent Explorer
DE579145C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the preparation of guanidine clusters of the pyridine series

Assignee: Chemische Fabrik Von Heyden AG
•
Filing: 1932-03-18
•
Granted: 1933-06-21
•
Expires: 1952-03-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dr Curt Raeth
  • 👤 Dr Armin Rost

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-02 14:50
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; C07D401/00; C07D401/14

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