Patent CA966604A successfully refreshed from Google Patents.
CA966604A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Kraft pulp bleaching and recovery process
Assignee: Kimberly Clark Tissue Co
•
Filing: 1971-11-22
•
Granted: 1975-04-29
•
Expires: 1991-11-22
Abstract
No abstract record available.
Inventors
- 👤 Rudra P. Singh
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-08 07:16
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/10; D21C9/1057; D21C11/00; D21C11/0021; D21C11/0028; Y; Y02; Y02P; Y02P40/00; Y02P40/40
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.