Patent FR1348657A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR1348657A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improved process for preparing polyurethanes

Assignee: Bayer Corp
•
Filing: 1963-01-02
•
Granted: 1964-01-10
•
Expires: 1983-01-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Wilbur Renfrew Mcelroy

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 19:18
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/28; C08G18/65; C08G18/67; C08G18/675

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