US2515577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noncaking alkaryl sulfonate
Assignee: —
•
Filing: —
•
Granted: 1950-07-18
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Expires: 1967-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:56
CPC Classifications
C; C11; C11D; C11D11/00; C11D11/02; C11D1/00; C11D1/02; C11D1/12; C11D1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF AS ITS PRIMARY ACTIVE INGREDIENT 35-50% BY WEIGHT OF AN ALKYL ARYL SULFONATE WHOSE ALKYL GROUP IS DERIVED FROM A PETROLEUM HYDROCARBON FRACTION BOILING BETWEEN 150-300*C. AND WHOSE ARYL GROUP IS DERIVED FROM A HYDROCARBON OF THE BENZENE SERIES,, 50-65% OF AN INORGANIC SALT BUILDER, SELECTED FROM THE GROUP OF THE ALKALI METAL SULFATES, -CHLORIDES, -PHOSPHATES, AND -CARBONATES, AND A SODIUM SILIFCATE WHOSE NA2O/SIO2 MOL RATIO IS IN THE RANGE OF 1/2 TO 1/2.85, SAID SODIUM SILICATE BEING PRESENT IN THE AMOUNT OF 1-5% BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
96 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF AS ITS PRIMARY ACTIVE INGREDIENT 35-50% BY WEIGHT OF AN ALKYL ARYL SULFONATE WHOSE ALKYL GROUP IS DERIVED FROM A PETROLEUM HYDROCARBON FRACTION BOILING BETWEEN 150-300*C. AND WHOSE ARYL GROUP IS DERIVED FROM A HYDROCARBON OF THE BENZENE SERIES,, 50-65% OF AN INORGANIC SALT BUILDER, SELECTED FROM THE GROUP OF THE ALKALI METAL SULFATES, -CHLORIDES, -PHOSPHATES, AND -CARBONATES, AND A SODIUM SILIFCATE WHOSE NA2O/SIO2 MOL RATIO IS IN THE RANGE OF 1/2 TO 1/2.85, SAID SODIUM SILICATE BEING PRESENT IN THE AMOUNT OF 1-5% BY WEIGHT OF THE TOTAL COMPOSITION.
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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |