US3598743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of granular detergent compositions for automatic dishwashers
Assignee: Procter and Gamble Co
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Filing: 1969-07-23
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Granted: 1971-08-10
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Expires: 1989-07-23
Abstract
Abstract GRANULAR DISHWASHING DETERGENT COMPOSITIONS ARE PREPARED BY DRY-MIXING SODIUM TRIPOLYPHOSPHATE AND CHLORINATED TRISODIUM PHOSPHATE, SPRAYING AQUEOUS SODIUM SILICATE THEREON TO FORM AGGLOMERATED GANULES, AND COOLING BY PASSING COLD AIR AT A TEMPERATURE NOT EXCEEDING 75*F. THROUGH A BED OF THE GRANULES.
Inventors
- 👤 Kenneth Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3958; C11D11/00; C11D11/0082; C11D11/0088
Claims Analysis
Total Claims: 0
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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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |