US3783008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing coated detergent particles
Assignee: PQ Corp
•
Filing: 1971-05-04
•
Granted: 1974-01-01
•
Expires: 1991-05-04
Abstract
Abstract THID INVENTION INVOLVES A PROCESS FOR MAKING AN IMPROVED DETERGENT COMPOSITION. IT CONSISTS OF SPRAYING A SLURRY OF SOME INGREDIENTS OF THE COMPOSITION ONTO OTHER INGREDIENTS. SPECIFICALLY, A COMPOSITE OF AN INORGANIC SALT WITH AN ALKALI METAL SILICATE WITH OR WITHOUT A SEQUESTERING AGENT IS COATED WITH A SLURRY OF THE REMAINING DETERGENT INGREDIENTS AND THEN THE COATED MATERIAL IS DRIED TO GIVE A FREE-FLOWING DETERGENT. THE RESULTING COMPOSITION IS VERY STABLE, CONTAINING A VERY LOW CONCENTRATION OF INSOLUBLE MATERIAL AND THE CONCENTRATION OF INSOLUBLES DOES NOT INCREASE ON STORAGE.
Inventors
- 👤 H Weldes
- 👤 E Vessey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:21
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/003
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |