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US3257450A Expired / Lapsed US ⏱️ 0.0 years remaining

Organic hypochlorous acid derivatives and a process for their manufacture

Assignee: United Guardian Inc
•
Filing: 1963-02-28
•
Granted: 1966-06-21
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Expires: 1983-02-28
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred R Globus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:06
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.

References Cited (Backward Citations)

US2320279A Cited
US2149240A Cited
US2333830A Cited
US2703330A Cited
US2738365A Cited
US2804466A Cited
US3141821A Cited

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

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