← Back to Patent Explorer
CA976289A Expired / Lapsed CA ⏱️ 0.0 years remaining

Zwitterion-containing compositions

Assignee: PPG Industries Inc
•
Filing: 1972-05-30
•
Granted: 1975-10-14
•
Expires: 1992-05-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Marco Wismer
  • 👤 Joseph F. Bosso

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-11-05 03:53
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4488; C08; C08F; C08F8/00; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0833; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/52; C09D5/4419; C09D5/443; C09D5/4434; C09D5/4442

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