Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Heavy metal or compound thereof
Reexamination Certificate
2007-07-17
2007-07-17
Richter, Johann (Department: 1616)
Drug, bio-affecting and body treating compositions
Inorganic active ingredient containing
Heavy metal or compound thereof
C424S617000, C514S501000, C428S680000, C205S258000, C205S271000
Reexamination Certificate
active
10466547
ABSTRACT:
Disclosed is a member which is superior in anti-fungus property and anti-alga property, and is coated with a surface treatment coating comprising at least a layer having anti-fungus property and/or anti-alga property laminated between a topmost surface functional layer and a base, wherein the layer having anti-fungus property and/or anti-alga property comprises 80% or more of Ni, 0.1 to 10% of P, and 0.0001 to 1% of hydrogen, holes reaching the surface of the layer having anti-fungus property and/or anti-alga property are present in the topmost surface functional layer so as to penetrate the topmost surface functional layer, the opening area ratio thereof to the total area when the topmost surface functional layer is viewed in plan being from 0.001 to 10%, or the elution amount of Ni is from 0.1 to 50 μg/cm2/week when the member is immersed in still water at 30° C.
REFERENCES:
patent: 4846940 (1989-07-01), Neuhauser et al.
patent: 02093006 (1990-04-01), None
patent: 07163511 (1995-06-01), None
patent: 11-343592 (1999-12-01), None
patent: 2000-198709 (2000-07-01), None
Lewis RJ, Hawley's Condensed Chemical Dictionary, Thirteenth Edition, pp. 118 and 802 (1997).
http://www.answers.com/topic/Vickers-Hardness-Scale.
Nakayama Takenori
Urushihara Wataru
Yamada Sadako
(Kobe Steel, Ltd.)
Richter Johann
Schlientz Nathan W.
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