US2715110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of a granulated soap product
Assignee: Lever Brothers Co
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Filing: 1952-06-13
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Granted: 1955-08-09
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Expires: 1972-06-13
Abstract
No abstract record available.
Inventors
- 👤 Freeman G Packard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:53
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/06; C11D13/00; C11D13/14; C11D13/20; C11D9/00; C11D9/04; C11D9/06; C11D9/08; C11D9/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
A METHOD FOR MAKING A SUBSTANTIALLY DRY, GRANULAR, ALKALI-METAL SILICATE-CONTAINING SOAP PRODUCT RAPIDLY DISPERSIBLE IN HOT AS WELL AS COLD WATER AND SUBSTANTIALLY FREE FROM GEL-FORMING AND AGGLOMERATING CHARACTERISTICS WHICH COMPRISES TREATING THE SUBSTANTIALLY DRY SOAP GRANULES WITH CARBON DIOXIDE IN A CONCENTRATION AND FOR A TIME SUFFICIENT TO FORM SILICA ON THE SURFACES OF THE GRANULATED SOAP PARTICLES BUT INSUFFICIENT TO MAKE THE PARTICLES SUBSTANTIALLY WATER-INSOLUBLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |