Patent US2075772A successfully refreshed from Google Patents.
← Back to Patent Explorer
AT185371B Expired / Lapsed AT ⏱️ 0.0 years remaining

Process for the production of new polymethylene or phenylene-bis-carbamic acid esters

Assignee: Chemie Linz Ag
•
Filing: 1953-06-23
•
Granted: 1956-04-25
•
Expires: 1973-06-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Otto Dr Schmid
  • 👤 Ludwig Dr Bilek
  • 👤 Walter Dr Seifried

Bibliographic Details

Application Number —
Jurisdiction AT
Data Source google_patents
Last Synchronized 2026-11-04 01:59
CPC Classifications
—

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