US3843547A
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US
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Composition for accelerating oxygen removal comprised of an aqueous solution of hydrazine containing a mixture of an aryl amine compound and a quinone compound
Abstract 1. AN OXYGEN-SCAVENGING COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF HYDRAZINE CONTAINING A CATALYTIC PROPORTION OF A MIXTURE OF (A) AN ARYL AMINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) AMINOPHENOL (2) N-ALKYL AMINOPHENOL WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO ABOUT 4 CARBON ATOMS (3) TOLUENE DIAMINE (4) PHENYLENE DIAMINE, AND (5) SULFATED OF SAID ARYL AMINE COMPOUND OF A (1)-A(4) (B) A QUINONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) QUINONE (2) NAPHTHOQUINONE (3) ANTHRAQUINONE, AND (4) HYDROXY SUBSTITUTED QUINONE OF B (1)-B(3) (C) WHEREIN THE WEIGHT RATIO OF SAID ARYL AMINE COMPOUND TO SAID QUINONE COMPOUND IS FROM ABOUT 10:1 TO ABOUT 300:1, AND (D) THE WEIGHT RATIO OF SAID HYDRAZINE TO SAID QUINONE COMPOUND IS FROM ABOUT 2000:1 TO ABOUT 10,000:1.
AN OXYGEN-SCAVENGING COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF HYDRAZINE CONTAINING A CATALYTIC PROPORTION OF A MIXTURE OF (A) AN ARYL AMINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) AMINOPHENOL (2) N-ALKYL AMINOPHENOL WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO ABOUT 4 CARBON ATOMS (3) TOLUENE DIAMINE (4) PHENYLENE DIAMINE, AND (5) SULFATED OF SAID ARYL AMINE COMPOUND OF A (1)-A(4) (B) A QUINONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) QUINONE (2) NAPHTHOQUINONE (3) ANTHRAQUINONE, AND (4) HYDROXY SUBSTITUTED QUINONE OF B (1)-B(3) (C) WHEREIN THE WEIGHT RATIO OF SAID ARYL AMINE COMPOUND TO SAID QUINONE COMPOUND IS FROM ABOUT 10:1 TO ABOUT 300:1, AND (D) THE WEIGHT RATIO OF SAID HYDRAZINE TO SAID QUINONE COMPOUND IS FROM ABOUT 2000:1 TO ABOUT 10,000:1.
Claim 2
Dependent Claim
128 words
AN OXYGEN-SCAVENGING COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF HYDRAZINE CONTAINING A CATALYTIC PROPORTION OF A MIXTURE OF (A) AN ARYL AMINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) AMINOPHENOL (2) N-ALKYL AMINOPHENOL WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO ABOUT 4 CARBON ATOMS (3) TOLUENE DIAMINE (4) PHENYLENE DIAMINE, AND (5) SULFATED OF SAID ARYL AMINE COMPOUND OF A (1)-A(4) (B) A QUINONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) QUINONE (2) NAPHTHOQUINONE (3) ANTHRAQUINONE, AND (4) HYDROXY SUBSTITUTED QUINONE OF B (1)-B(3) (C) WHEREIN THE WEIGHT RATIO OF SAID ARYL AMINE COMPOUND TO SAID QUINONE COMPOUND IS FROM ABOUT 10:1 TO ABOUT 300:1, AND (D) THE WEIGHT RATIO OF SAID HYDRAZINE TO SAID QUINONE COMPOUND IS FROM ABOUT 2000:1 TO ABOUT 10,000:1.