Patent US3600319A successfully refreshed from Google Patents.
US3600319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for application of enzymes to spray-dried detergent granules
Assignee: Procter and Gamble Co
•
Filing: 1968-06-25
•
Granted: 1971-08-17
•
Expires: 1988-06-25
Abstract
Abstract ENZYMES ARE APPLIES TO SPARY-DRIED SILICATE-CONTAINING DETERGENT GRANULES BY SLURRING ENZYME POWDER IN A LIQUID, ORGANIC VEHICLE AND SPRAYING THE SLURRY ONTO THE GRANULES AT A TEMPERATURE BELOW 140*F.
Inventors
- 👤 Burton H Gedge
- 👤 Charles H Brain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:08
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38672; C11D11/00; C11D11/0082; C11D11/0088
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
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |