US3140149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of peroxy-hydrates
Assignee: Henkel AG and Co KGaA
•
Filing: 1957-01-16
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Granted: 1964-07-07
•
Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 Habernickel Valentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C01; C01B; C01B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
METHOD FRO THE PREPARATION OF PERHYDRATE COMPOUNDS CONTAINING WATER OF CRYSTALLIZATION WHICH COMPRISES REACTING AN INORGANIC SALT CAPABLE OF BINDING WATER OF CRYSTALLIZATION AND SELECTED FROM THE GROUP CONSISTING OF PHOSPHATES, SILICATES, CARBONATES, BORATES AND SULPHATES OF A METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND MAGNESIUM WITH HYDROGEN PEROXIDE AND WATER IN A PEROXIDE-RESISTANT, SUBSTANTIALLY WATER- AND PEROXIDE-IMMISCIBLE, OXYGEN-FREE ORGANIC LIQUID, NON-REACTIVE WITH RESPACE TO SAID REACTANTS, AND HAVING A BOILING POINT OF AT MOST 100*C., SAID HYDROGEN PEROXIDE AND SAID WATER EACH BEING PRESENT IN MOLAR AMOUNTS EQUAL TO MULTIPLES OF ONE HALF MOL AND IN WHICH THE TOTAL OF THE MOLAR AMOUNTS OF SAID PEROXODE AND WATER DOES NOT EXCEED THE MAXIMUM NUMBER OF MOLS OF WATER OF CRYSTALLIZATION WHICH SAID INORGANIC SALT IS CAPABLE OF BINDING AND RECOVERING THE PERHYDRATE COMPOUND FORMED.
Claim 2
Dependent Claim
138 words
METHOD FRO THE PREPARATION OF PERHYDRATE COMPOUNDS CONTAINING WATER OF CRYSTALLIZATION WHICH COMPRISES REACTING AN INORGANIC SALT CAPABLE OF BINDING WATER OF CRYSTALLIZATION AND SELECTED FROM THE GROUP CONSISTING OF PHOSPHATES, SILICATES, CARBONATES, BORATES AND SULPHATES OF A METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND MAGNESIUM WITH HYDROGEN PEROXIDE AND WATER IN A PEROXIDE-RESISTANT, SUBSTANTIALLY WATER- AND PEROXIDE-IMMISCIBLE, OXYGEN-FREE ORGANIC LIQUID, NON-REACTIVE WITH RESPACE TO SAID REACTANTS, AND HAVING A BOILING POINT OF AT MOST 100*C., SAID HYDROGEN PEROXIDE AND SAID WATER EACH BEING PRESENT IN MOLAR AMOUNTS EQUAL TO MULTIPLES OF ONE HALF MOL AND IN WHICH THE TOTAL OF THE MOLAR AMOUNTS OF SAID PEROXODE AND WATER DOES NOT EXCEED THE MAXIMUM NUMBER OF MOLS OF WATER OF CRYSTALLIZATION WHICH SAID INORGANIC SALT IS CAPABLE OF BINDING AND RECOVERING THE PERHYDRATE COMPOUND FORMED.
References Cited (Backward Citations)
US1914312A
Cited
US2012462A
Cited
US2141189A
Cited
US2371545A
Cited
US2576205A
Cited
US2556953A
Cited
US2740689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |