Compositions – Nonreactive analytical – testing – or indicating compositions
Patent
1987-01-30
1989-05-30
Terapane, John F.
Compositions
Nonreactive analytical, testing, or indicating compositions
556136, 374162, 252962, 558302, C07F 1500
Patent
active
048349097
ABSTRACT:
Compositions of matter and methods of preparation are described for water and air stable, square planar transition metal double-complex salts which contain isonitrile ligands derivatized with long chain aliphatic groups. These salts are composed of two metal-containing complex ions: the cation is a tetrakis isonitrile metal ion and the anion is a tetrahalometallate or tetracyanometallate. These double-complex salts exhibit the novel property of thermochromism and are useful as temperature indicators and in imaging applications.
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Kirn Walter N.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Sherman Lorraine R.
Terapane John F.
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