Patent US3663449A successfully refreshed from Google Patents.
US3663449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding synthetic detergent superior in mechanical strength and containers molded therefrom
Assignee: Lion Fat and Oil Co Ltd
•
Filing: 1970-04-30
•
Granted: 1972-05-16
•
Expires: 1990-04-30
Abstract
Abstract A SYNTHETIC DETERGENT CONTAINING 25 TO 95 PERCENT SODIUM SILICATE, WHICH HAS BEEN LIMITED TO THE ORDER OF 1 PERCENT OR AT MOST OVER 10 PERCENT FOR TECHNICAL REASONS, AND A SMALL AMOUNT OF POLYHYDRIC ALCOHOL SUCH AS GLYCERINE OR EHTYLENE GLYCOL IS MOLDED IN THE SAME MANNER AS SYNTHETIC RESINS SO AS TO MAKE A CONTAINER. VARIOUS CONTAINERS SUCH AS FOR WASHING OR DETERGENT CAN BE MADE OF DETERGENT ITSELF.
Inventors
- 👤 Rinnosuke Susuki
- 👤 Hiroshi Hoshi
- 👤 Jiro Saito
- 👤 Kiyoshi Moriki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:33
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0047; C11D17/0052; C11D3/00; C11D3/02; C11D3/04; C11D3/08; C11D3/16; C11D3/20; C11D3/2003; C11D3/2041; C11D3/2044; C11D3/2065
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |