US3331780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent tablets and method of producing same
Assignee: FMC Corp
•
Filing: 1963-11-26
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Granted: 1967-07-18
•
Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Ewald H Krusius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2003; C11D3/2041; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0073; C11D17/0086; C11D3/02; C11D3/04; C11D3/06; C11D3/37; C11D3/3703; C11D3/3707
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
PROCESS FOR PRODUCING DETERGENT TABLETS FROM A DETERGENT FORMULATION WHICH DISINTEGRATE RAPIDLY WHEN PLACED IN HEATED WASH WATER AND WHICH HAVE UNIFORMLY HIGH STRENGTHS COMPRISING PRESSING TABLETS FROM A DETERGENT FROMULATION COMPRISING 35-65% BY WEIGHT SODIUM TRIPOLYPHOSPHATE, 3-15% BY WEIGHT SODIUM SILICATE HAVING A MOLE RATIO OF NA2O/SIO2 OF 1:2 TO 1:3.2, 6-15% BY WEIGHT OF A WATER-SOLUBLE NONIONIC SYNTHETIC ORGANIC DETERGENT CONTAINING A WATER SOLUBILIZING POLYOXYETHYLENT GROUP, 1-10% BY WEIGHT WATER, 0.5-10% BY WEIGHT OF A WATER-SOLUBLE POLYOL SELECTED FROM THE GROUP CONSISTING OF ALKYL AND CYCLOALKYL POLYOLS HAVING FROM 2-12 CARBON ATOMS, POLYETHYLENE GLYCOL HAVING MOLECULAR WEIGHTS UP TO 6000 AND POLYPROPYLENE GLYCOL HAVING MOLECULAR WEIGHT UP TO 2000, AND THE BALANCE OF THE FORMULATION BEING SODIUM SULFATE.
Claim 2
Dependent Claim
120 words
PROCESS FOR PRODUCING DETERGENT TABLETS FROM A DETERGENT FORMULATION WHICH DISINTEGRATE RAPIDLY WHEN PLACED IN HEATED WASH WATER AND WHICH HAVE UNIFORMLY HIGH STRENGTHS COMPRISING PRESSING TABLETS FROM A DETERGENT FROMULATION COMPRISING 35-65% BY WEIGHT SODIUM TRIPOLYPHOSPHATE, 3-15% BY WEIGHT SODIUM SILICATE HAVING A MOLE RATIO OF NA2O/SIO2 OF 1:2 TO 1:3.2, 6-15% BY WEIGHT OF A WATER-SOLUBLE NONIONIC SYNTHETIC ORGANIC DETERGENT CONTAINING A WATER SOLUBILIZING POLYOXYETHYLENT GROUP, 1-10% BY WEIGHT WATER, 0.5-10% BY WEIGHT OF A WATER-SOLUBLE POLYOL SELECTED FROM THE GROUP CONSISTING OF ALKYL AND CYCLOALKYL POLYOLS HAVING FROM 2-12 CARBON ATOMS, POLYETHYLENE GLYCOL HAVING MOLECULAR WEIGHTS UP TO 6000 AND POLYPROPYLENE GLYCOL HAVING MOLECULAR WEIGHT UP TO 2000, AND THE BALANCE OF THE FORMULATION BEING SODIUM SULFATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |