US3008903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkalisilicate-containing stable addition products of sodium hypochlorite and trisodium phosphate-12-hydrate
Assignee: Henkel AG and Co KGaA
•
Filing: 1957-11-13
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Granted: 1961-11-14
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Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Habernickel Valentin
- 👤 Huppertz Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:06
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/455; C01B25/4555; C11; C11D; C11D3/00; C11D3/395; C11D3/3958; C11D7/00; C11D7/02; C11D7/04; C11D7/10; C11D7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
PROCESS FOR THE PRODUCTION OF ALKALI SILICATE-CONTAINING STABLE ADDITION PRODUCTS OF SODIUM HYPOCHLORITE AND TRISODIUM PHOSPHATE, WHICH COMPRISES CONTACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF DISODIUM PHOSPHATE, MONOSODIUM PHOSPHATE, PHOSPHORIC ACID AND MIXTURES THEREOF, WITH A PREFORMED SOLUTION OF ALKALINE WATER GLASS HAVING AN SIO2:NA2O RATIO BETWEEN ABOUT 0.8-2.09:1 AND SODIUM HYPOCHLORITE AT A TEMPERATURE SUFFICIENT TO MAINTAIN THE MIXTURE IN THE MOLTEN STATE, SAID SOLUTION CONTAINING AN AMOUNT OF ALKALI SUFFICIENT FOR THE FORMATION OF NA3PO4 AND AN ALKALI SILICATE HAVING AN SIO2:NA2O RATIO BETWEEN ABOUT 2.5-6:1 UPON REACTION WITH SAID GROUP MEMBER, 5-30% BY WEIGHT OF WATER GLASS BEING EMPLOYED WITH RESPECT TO 5-50% BY WEIGHT OF SAID PHOSPHATE, THE AMOUNT OF ALKALI SILICATE BEING SELECTED SO AS NOT TO EXCEED ABOUT 25% BY WEIGHT OF THE FINAL PRODUCT FORMED, ALLOWING THE MOLTEN REACTION PRODUCT FORMED TO SOLIDIFY, AND RECOVERING THE ALKALI SILICATE-CONTAINING STABLE SODIUM HYPOCHLORITE AND TRISODIUM PHOSPHATE ADDITION PRODUCT FORMED.
Claim 2
Dependent Claim
156 words
PROCESS FOR THE PRODUCTION OF ALKALI SILICATE-CONTAINING STABLE ADDITION PRODUCTS OF SODIUM HYPOCHLORITE AND TRISODIUM PHOSPHATE, WHICH COMPRISES CONTACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF DISODIUM PHOSPHATE, MONOSODIUM PHOSPHATE, PHOSPHORIC ACID AND MIXTURES THEREOF, WITH A PREFORMED SOLUTION OF ALKALINE WATER GLASS HAVING AN SIO2:NA2O RATIO BETWEEN ABOUT 0.8-2.09:1 AND SODIUM HYPOCHLORITE AT A TEMPERATURE SUFFICIENT TO MAINTAIN THE MIXTURE IN THE MOLTEN STATE, SAID SOLUTION CONTAINING AN AMOUNT OF ALKALI SUFFICIENT FOR THE FORMATION OF NA3PO4 AND AN ALKALI SILICATE HAVING AN SIO2:NA2O RATIO BETWEEN ABOUT 2.5-6:1 UPON REACTION WITH SAID GROUP MEMBER, 5-30% BY WEIGHT OF WATER GLASS BEING EMPLOYED WITH RESPECT TO 5-50% BY WEIGHT OF SAID PHOSPHATE, THE AMOUNT OF ALKALI SILICATE BEING SELECTED SO AS NOT TO EXCEED ABOUT 25% BY WEIGHT OF THE FINAL PRODUCT FORMED, ALLOWING THE MOLTEN REACTION PRODUCT FORMED TO SOLIDIFY, AND RECOVERING THE ALKALI SILICATE-CONTAINING STABLE SODIUM HYPOCHLORITE AND TRISODIUM PHOSPHATE ADDITION PRODUCT FORMED.
References Cited (Backward Citations)
US2689225A
Cited
US1555474A
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US1765013A
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US2034361A
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US1966383A
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US1988991A
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US1965304A
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US2145015A
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DE721083C
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US2324302A
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US2524394A
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DE933583C
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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) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |