← Back to Patent Explorer
CA928323A Expired / Lapsed CA ⏱️ 0.0 years remaining

N-(w-aminoalkane)-w'-aminoalkane sulphonic acid salts and their use as anionic structural components in the preparation of emulsifier/free polyurethane dispersions

Assignee: Bayer AG
•
Filing: 1971-07-16
•
Granted: 1973-06-12
•
Expires: 1991-07-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Keberle Wolfgang
  • 👤 Lesch Dieter

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-10-27 14:32
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4236; C08G18/4238; C08G18/08; C08G18/0804; C08G18/0819; C08G18/0828; C08G18/10; C08G18/48; C08G18/4825; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7614; C08G18/7621; C08G2170/00; C08G2170/80

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