US3010907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline cleaning compositions
Assignee: Pennwalt Corp
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Filing: 1957-04-09
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Granted: 1961-11-28
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 James W Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:40
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/78; C11D1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A NON-FOAMING ALKALINE CLEANING COMPOSITION COMPRISING A MAJOR PROPORTION OF AN INORGANIC ALKALINE MATERIAL, FROM 0.05% TO 5% BY DRY WEIGHT OF THE COMPOSITION OF AN ORGANIC DETERGENT, AND FROM 0.01% TO 1% BY DRY WRIGHT OF THE COMPOSITION OF A DEFOAMER, SAID INORGANIC ALKALINE MATERIAL BEING SELECTED FROM THE CLASS CONSISTING OF CAUSTIC SODA, CAUSTIC POTASH, SODIUM CARBONATE, SODIUM BICARBONATE, ALKALI METAL SILICATES, ALKALI METAL PHOSPHATES, AND MIXTURES THEREOF, SAID ORGANIC DETERGENT BEING AN ALKYL PHENOL-ETHYLENE OXIDE CONDENSATION PORODUCT HAVING THE FORMULA:
Claim 2
Dependent Claim
83 words
A NON-FOAMING ALKALINE CLEANING COMPOSITION COMPRISING A MAJOR PROPORTION OF AN INORGANIC ALKALINE MATERIAL, FROM 0.05% TO 5% BY DRY WEIGHT OF THE COMPOSITION OF AN ORGANIC DETERGENT, AND FROM 0.01% TO 1% BY DRY WRIGHT OF THE COMPOSITION OF A DEFOAMER, SAID INORGANIC ALKALINE MATERIAL BEING SELECTED FROM THE CLASS CONSISTING OF CAUSTIC SODA, CAUSTIC POTASH, SODIUM CARBONATE, SODIUM BICARBONATE, ALKALI METAL SILICATES, ALKALI METAL PHOSPHATES, AND MIXTURES THEREOF, SAID ORGANIC DETERGENT BEING AN ALKYL PHENOL-ETHYLENE OXIDE CONDENSATION PORODUCT HAVING THE FORMULA:
References Cited (Backward Citations)
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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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |