Patent CA901715A successfully refreshed from Google Patents.
CA901715A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Polyhydroxysilicate-polymer reaction product
Assignee: Université de Sherbrooke
•
Filing: 1971-06-29
•
Granted: 1972-05-30
•
Expires: 1991-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jean-Marc Lalancette
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-30 14:31
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42; C01B33/22; C01B33/26; C01B33/40; C01B33/46; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/40; C08G59/4007; C08G59/4085; C08G85/00; C09; C09C; C09C1/00; C09C1/28; C09C1/40; C09C1/405; C09C1/42; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2004/00; C01P2004/10; C01P2004/51; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/10
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.