Patent US3257450A successfully refreshed from Google Patents.
US3257450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic hypochlorous acid derivatives and a process for their manufacture
Assignee: United Guardian Inc
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Filing: 1963-02-28
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Granted: 1966-06-21
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Globus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:14
CPC Classifications
C; C07; C07C; C07C303/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A PROCESS FOR THE PRODUCTION OF ORGANIC HYPOCHLORUS ACID DERIVATIVES WHICH COMPRISES HEATING TO A TEMPERATURE BETWEEN ABOUT 125 AND 250*F. A MIXTURE HAVING A PARTICLE SIZE BELOW ABOUT 20 MESH, ESSENTIALLY CONSISTING OF ABOUT 2-40% BY WEIGHT OF A CALCIUM HYPOCHLORITE COMPONENT, ABOUT 2-25% BY WEIGHT OF A WETTING AGENT SELECTED FROM THE GROUP CONSISTING OF ALKALI, ALKALINE EARTH AND MAGNESIUM ALKYL-, ALKARYL-, AND ARYL SULPHONATES AND SULPHATES HAVING AT LEAST 6 CARBON ATOMS, ABOUT 1-40% BY WEIGHT OF A NON-TOXIC SOLID ACID COMPOUND CAPABLE OF COMBINING WITH THE CALCIUM OF SAID HYPOCHLORITE, AND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL ACID SULPHATES, ALKALI METAL ACID PHOSPHATES, ALKALI METAL ACID PYROPHOSPHATES, ALKALI METAL CARBOXYLIC ACID SALTS IN WHICH THE NUMBER OF METALLIC IONS IS AT ELAST ONE LESS THAN THE NUMBER OF CARBOXYLIC GROUPS, ALKALI METAL HYDROCARBON SULFONATES, AND ALKALI METAL SULPHATES OF LONG-CHAIN ALCOHOLS, AND ABOUT 5-45% BY WEIGHT OF AN INERT SUBSTANTIALLY ANHYDROUS SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI, ALKALINE EARTH, AND MAGNESIUM SALTS IN A SUBSTANTIALLY ANHYDROUS ATMOSPHERE.
Claim 2
Dependent Claim
175 words
A PROCESS FOR THE PRODUCTION OF ORGANIC HYPOCHLORUS ACID DERIVATIVES WHICH COMPRISES HEATING TO A TEMPERATURE BETWEEN ABOUT 125 AND 250*F. A MIXTURE HAVING A PARTICLE SIZE BELOW ABOUT 20 MESH, ESSENTIALLY CONSISTING OF ABOUT 2-40% BY WEIGHT OF A CALCIUM HYPOCHLORITE COMPONENT, ABOUT 2-25% BY WEIGHT OF A WETTING AGENT SELECTED FROM THE GROUP CONSISTING OF ALKALI, ALKALINE EARTH AND MAGNESIUM ALKYL-, ALKARYL-, AND ARYL SULPHONATES AND SULPHATES HAVING AT LEAST 6 CARBON ATOMS, ABOUT 1-40% BY WEIGHT OF A NON-TOXIC SOLID ACID COMPOUND CAPABLE OF COMBINING WITH THE CALCIUM OF SAID HYPOCHLORITE, AND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL ACID SULPHATES, ALKALI METAL ACID PHOSPHATES, ALKALI METAL ACID PYROPHOSPHATES, ALKALI METAL CARBOXYLIC ACID SALTS IN WHICH THE NUMBER OF METALLIC IONS IS AT ELAST ONE LESS THAN THE NUMBER OF CARBOXYLIC GROUPS, ALKALI METAL HYDROCARBON SULFONATES, AND ALKALI METAL SULPHATES OF LONG-CHAIN ALCOHOLS, AND ABOUT 5-45% BY WEIGHT OF AN INERT SUBSTANTIALLY ANHYDROUS SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI, ALKALINE EARTH, AND MAGNESIUM SALTS IN A SUBSTANTIALLY ANHYDROUS ATMOSPHERE.
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |