US3194768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of storage stable active oxygen containing liquid concentrates
Assignee: Henkel AG and Co KGaA
•
Filing: 1961-06-30
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Granted: 1965-07-13
•
Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Lindner Kurt
- 👤 Eichler Elfriede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:07
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3947; C01; C01B; C01B15/00; C01B15/01; C01B15/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN THE PROCESS OF STORING ACTIVE OXYGEN-CONTAINING AQUEOUS CONCENTRATES, THE IMPROVEMENT FOR ATTAINING EXTENDED PERIODS OF STORAGE STABILITY AT A CONCENTRATE PH BETWEEN 2.5 AND 6 WHICH COMPRISES SOTRING AN ACID STABILIZED AQUEOUS HYDROGEN PEROXIDE SOLUTION, HAVING A PEROXIDE CONTENT BETWEEN ABOUT 2.5 AND 75%, IN ADMIXTURE WITH BETWEEN ABOUT 1 AND 20% BASED ON THE TOTAL CONCENTRATE, OF A WATER-SOLUBLE ADDUCT OF ETHYLENE OXIDE WITH AN ORGANIC COMPOUND HAVING A SATURATED ALKYL GROUP CONTAINING AN ACTIVE HYDROGEN ATOM AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF LAURYL ALCOHOL AND ALKYL PHENOLS HAVING FROM 9 TO 13 ALKYL CARBON ATOMS, AS THE AQUEOUS CONCENTRATE, SAID ADDUCT HAVING FROM 5 TO 16 ETHYLENE OXIDE GROUPS IN THE MOLECULE AND THE PH OF THE AQUEOUS CONCENTRATE BEING MAINTAINED BETWEEN 2.5 AND 6.
Claim 2
Dependent Claim
131 words
IN THE PROCESS OF STORING ACTIVE OXYGEN-CONTAINING AQUEOUS CONCENTRATES, THE IMPROVEMENT FOR ATTAINING EXTENDED PERIODS OF STORAGE STABILITY AT A CONCENTRATE PH BETWEEN 2.5 AND 6 WHICH COMPRISES SOTRING AN ACID STABILIZED AQUEOUS HYDROGEN PEROXIDE SOLUTION, HAVING A PEROXIDE CONTENT BETWEEN ABOUT 2.5 AND 75%, IN ADMIXTURE WITH BETWEEN ABOUT 1 AND 20% BASED ON THE TOTAL CONCENTRATE, OF A WATER-SOLUBLE ADDUCT OF ETHYLENE OXIDE WITH AN ORGANIC COMPOUND HAVING A SATURATED ALKYL GROUP CONTAINING AN ACTIVE HYDROGEN ATOM AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF LAURYL ALCOHOL AND ALKYL PHENOLS HAVING FROM 9 TO 13 ALKYL CARBON ATOMS, AS THE AQUEOUS CONCENTRATE, SAID ADDUCT HAVING FROM 5 TO 16 ETHYLENE OXIDE GROUPS IN THE MOLECULE AND THE PH OF THE AQUEOUS CONCENTRATE BEING MAINTAINED BETWEEN 2.5 AND 6.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |