Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1997-04-29
1999-11-30
Nakarani, D. S.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428613, 428632, 428650, 428670, 4283128, 4283142, 4283155, 502325, 502326, 502327, 502330, 502331, 502332, 502334, B22D 2500, C03C 2702, B32B 326
Patent
active
059939796
ABSTRACT:
Skeletal columnar coatings with a well-adhered columnar having both intercolumn and intracolumn porosity are metallic alloys of catalytic elements and non-catalytic elements and are particularly useful in making catalytic surfaces, electro-active surfaces and self-cleaning surfaces.
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Figueroa Juan Carlos
Mattson, Sr. Ronald Horace
E. I. Du Pont de Nemours and Company
Nakarani D. S.
Rickman Holly C.
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