← Back to Patent Explorer
FR698094A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in the production of oxygenated organic compounds

Assignee: Henry Dreyfus
•
Filing: 1930-06-26
•
Granted: 1931-01-27
•
Expires: 1950-06-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Henry Dreyfus

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 23:39
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C29/00; C07C29/48; C07C45/00; C07C45/27; C07C45/32; C07C45/33

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