Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Patent
1987-02-17
1988-01-05
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C07F 700
Patent
active
047177721
ABSTRACT:
The color of alkyl zirconate compounds that have become discolored is improved by treating the zirconate with a nitrogen oxide oxidant, such as nitric acid, to achieve the desired color improvement.
REFERENCES:
patent: 2720504 (1955-10-01), Caldwell et al.
patent: 2977378 (1961-03-01), Kasper
patent: 3754011 (1973-03-01), Hoch
Fennelly Richard P.
Shaver Paul F.
Stauffer Chemical Company
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