CA976671A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Flocculating agents
Assignee: Ciba Specialty Chemicals Water Treatments Ltd
•
Filing: 1972-02-07
•
Granted: 1975-10-21
•
Expires: 1992-02-07
Abstract
No abstract record available.
Inventors
- 👤 Graham Smalley
- 👤 John R. Field
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-02 00:15
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/02; C12H1/04; C12H1/0416; C12H1/0424; C02; C02F; C02F1/00; C02F1/52; C02F1/54; C08; C08F; C08F8/00
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.