CA913348A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Use of graft copolymers of acrylic acid and polyhydroxy polymeric compounds for treating clays
Assignee: International Minerals and Chemical Corp
•
Filing: —
•
Granted: 1972-10-31
•
Expires: 1989-10-31
Abstract
No abstract record available.
Inventors
- 👤 J. Krajewski John
- 👤 J. Lang William
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-09 09:02
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.