Patent FR1402343A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR1402343A Expired / Lapsed FR ⏱️ 0.0 years remaining

Selective membranes with a heterogeneous structure and their production process

Assignee: METRIMPEX MAGYAR MUESZERIPARI
•
Filing: 1964-07-21
•
Granted: 1965-06-11
•
Expires: 1984-07-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 12:39
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/20; C08J5/22; C08J5/2206; C08J5/2275

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