US2575576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal salt-organic sulfoxt
Assignee: —
•
Filing: —
•
Granted: 1951-11-20
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Expires: 1968-11-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:40
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A DETERGENT COMPOSITION INHIBITED AGAINST DETERIORATIVE ACTION ON VITREOUS AND CERAMIC SURFACES, CONSISTING ESSENTIALLY OF 20-30% BY WEIGHT OF A CARBONATE SELECTED FROM THE GROUP CONSISTING OF SODIUM BICARBONATE, MODIFIED SODA AND SODIUM CARBONATE, 10-40% OF A PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF SODIUM TRIPOLYPHOSPHATE, SODIUM TETRAPHOSPHATE AND SODIUM HEXAMETAPHOSPHATE, 40-70% OF A SYNTHETIC DETERGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM ALCOHOL IN THE BATH BEING LOWER THAN THE PROSALTS OF ALKYL SULFONATES, ALKYL SULFATES AND ALKYL 10-18 CARBON ATOMS, SAID SYNTHETIC DETERGENT BEING PRESENT IN AT LEAST 35% ACTIVE AGENT FORM; AND 3-10% OF AN INHIBITOR COMPOUND SELECTED FROM THE GROUP CONSISTING OF ZINCATES, BERYLLIATES AND ALUMINATES OF SODIUM AND THE SULFATES OF ZINC, BERYLLIUM AND ALUMINUM COMPOUNDS AND CORRESPONDING TO A 0.85-5.66% ZNO EQUIVALENT WEIGHT, A .009-1,41% BEO EQUIVALENT WEIGHT, AND A 0.47-6.22% AL2O3 EQUIVALENT WEIGHT, RESPECTIVELY.
Claim 2
Dependent Claim
141 words
A DETERGENT COMPOSITION INHIBITED AGAINST DETERIORATIVE ACTION ON VITREOUS AND CERAMIC SURFACES, CONSISTING ESSENTIALLY OF 20-30% BY WEIGHT OF A CARBONATE SELECTED FROM THE GROUP CONSISTING OF SODIUM BICARBONATE, MODIFIED SODA AND SODIUM CARBONATE, 10-40% OF A PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF SODIUM TRIPOLYPHOSPHATE, SODIUM TETRAPHOSPHATE AND SODIUM HEXAMETAPHOSPHATE, 40-70% OF A SYNTHETIC DETERGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM ALCOHOL IN THE BATH BEING LOWER THAN THE PROSALTS OF ALKYL SULFONATES, ALKYL SULFATES AND ALKYL 10-18 CARBON ATOMS, SAID SYNTHETIC DETERGENT BEING PRESENT IN AT LEAST 35% ACTIVE AGENT FORM; AND 3-10% OF AN INHIBITOR COMPOUND SELECTED FROM THE GROUP CONSISTING OF ZINCATES, BERYLLIATES AND ALUMINATES OF SODIUM AND THE SULFATES OF ZINC, BERYLLIUM AND ALUMINUM COMPOUNDS AND CORRESPONDING TO A 0.85-5.66% ZNO EQUIVALENT WEIGHT, A .009-1,41% BEO EQUIVALENT WEIGHT, AND A 0.47-6.22% AL2O3 EQUIVALENT WEIGHT, RESPECTIVELY.
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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |