US3043779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent tablets
Assignee: Lever Brothers Co
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Filing: 1958-03-13
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Granted: 1962-07-10
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Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 Parke John Pedlow
- 👤 Penketh David Dutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:41
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D10/042; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0073; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/34; C11D3/3409; C11D1/00; C11D1/02; C11D1/12; C11D1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A DETERGENT COMPOSITION IN THE FORM OF A HARD, COHERENT TABLET WHICH DOES NOT BECOME SOFT AND SLIMY OR STICKY ON BEING USED OR STORED AFTER USE AND WHICH DOES NOT DISSOLVE WITH UNDESIRABLE RAPIDITY IN WARM WATER, COMPRISING FROM ABOUT 55% TO ABOUT 85% OF A WATER-SOLUBLE ALKALI METAL SOAP, FROM ABOUT 15% TO ABOUT 30% OF A WATER-SOLUBLE ALKALI METAL FATTY-ACYL-AMINOMETHANE SULPHONATE WHEREIN THE FATTY-ACYL RADICAL HAS FROM ABOUT 8 TO ABOUT 18 CARBON ATOMS, AND FROM ABOUT 0.5% TO ABOUT 10% OF A WATER-SOLUBLE SALT OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC AND MONOSULPHONIC ACIDS HAVING FROM 1 TO 8 CARBON ATOMS IN THE MOLECULE, THE PERCENTAGES BEING BY WEIGHT BASED ON THE WEIGHT OF THE ENTIRE TABLET.
Claim 2
Dependent Claim
125 words
A DETERGENT COMPOSITION IN THE FORM OF A HARD, COHERENT TABLET WHICH DOES NOT BECOME SOFT AND SLIMY OR STICKY ON BEING USED OR STORED AFTER USE AND WHICH DOES NOT DISSOLVE WITH UNDESIRABLE RAPIDITY IN WARM WATER, COMPRISING FROM ABOUT 55% TO ABOUT 85% OF A WATER-SOLUBLE ALKALI METAL SOAP, FROM ABOUT 15% TO ABOUT 30% OF A WATER-SOLUBLE ALKALI METAL FATTY-ACYL-AMINOMETHANE SULPHONATE WHEREIN THE FATTY-ACYL RADICAL HAS FROM ABOUT 8 TO ABOUT 18 CARBON ATOMS, AND FROM ABOUT 0.5% TO ABOUT 10% OF A WATER-SOLUBLE SALT OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC AND MONOSULPHONIC ACIDS HAVING FROM 1 TO 8 CARBON ATOMS IN THE MOLECULE, THE PERCENTAGES BEING BY WEIGHT BASED ON THE WEIGHT OF THE ENTIRE TABLET.
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |