Composition for accelerating oxygen removal comprised of a mixture of aqueous hydrazine and an aryl amine compound
Triethylene tetramine stabilization of cobalt catalyzed sulfite solutions and use thereof in controlling oxygen corrosion in boiler water systems
High contrast continuous tone developer and process of use
Methoxypropylamine and hydrazine steam condensate corrosion inhibitor compositions and methods Patent #: 4192844
ApplicationNo. 06/168989 filed on 07/14/1980
US Classes:252/178, Deoxidant or free-metal containing252/188.1, REDUCTIVE BLEACHANT, DEOXIDANT, REDUCTANT, OR GENERATIVE252/188.28, Deoxidant or oxygen scavenging252/390, Amine, amide, azo, or nitrogen-base radical containing422/13, Aqueous alkali environment (i.e., pH greater than or equal to 8.4)422/16Using organic nitrogen compound other than ammonium salt
ExaminersPrimary: Albrecht, Dennis L.
Attorney, Agent or Firm
International ClassesC02F 1/20 (20060101)
C23F 11/10 (20060101)
AbstractAn improved oxygen scavenger for aqueous mediums is disclosed which comprises hydrazine-free solution of hydroquinone and mu-amine. Representative examples of mu-amines include: aminomethylpropanol, triethylenetetramine, diisopropanolamine, secbutylamine, monoisopropanolamine, ethylenediamine, dimethylaminopropylamine, monoethanolamine, dimethyl(iso)propanolamine, methoxypropylamine, and diethylaminoethanol.
Field of SearchDeoxidant or free-metal containing