Abstract: A process for the electrochemical oxidation of organic compounds, wherein the anode material used is a mixed oxide of formula (I)
MoaBibX1cX2dX3eX4fX5gOh (I)
where
X1 is V, Nb, Cr, W, Ta, Ga, Ce, and/or La; X2 is Li, La, K, Rb, Cs, Cu, Ag, Au, Pd and/or Pt; X3 is Fe, Co, Ni and/or Zn; X4 is Sn, Rb, Sb and/or Te; X5 is Ti, Zr, Si and/or Al; and where a is 0-3; b is 0-3; c is 0-12.5; d is 0-5; e is 0-1.5; f is 0-1; and g is 0-25
with the proviso that a+d≧0.15.
Type:
Grant
Filed:
September 14, 1999
Date of Patent:
April 3, 2001
Assignee:
Creavis Gesellschaft für Technologie und Innovation
mbH
Inventors:
Guido Stochniol, Mark Duda, Adolf Kuehnle
Abstract: A process is disclosed for producing ceramic layers. A dispersion of a strongly acid hydrolysed metal composed and of a metal oxide powder is hardened at low temperatures into a mechanically stable ceramic layer. 29 g of titanium tetraisopropylate are hydrolysed in 14 g water, peptised in 42 g hydrochloric acid (25%) and mixed with 15 g nanocrystalline titanium dioxide. A 10 .mu.m thick ceramic layer produced with this paste is hardened within 5 minutes in a hot air flow at 100.degree. C. This ceramic layer adheres to glass, ceramic materials, metals, and is solvent and water-resistant.
Type:
Grant
Filed:
December 3, 1996
Date of Patent:
March 23, 1999
Assignee:
Creavis Gesellschaft fur Technologie und Innovation mbH