Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2004-12-10
2008-12-02
Chaney, Carol (Department: 1794)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C501S099000
Reexamination Certificate
active
07459210
ABSTRACT:
The invention relates to a granulated raw material for refractory graphite-containing products in the form of shaped granules, with the granules each comprising a coarse resistor particle which is enveloped by a shell comprising graphite flocs and cured binder, in particular a carbon-containing binder. In addition, the invention relates to a process for producing the granulated resistor material and to the use of the granulated raw material.
REFERENCES:
patent: 3637412 (1972-01-01), Felice et al.
patent: 5002908 (1991-03-01), Cassens, Jr.
patent: 5102593 (1992-04-01), Dotsch et al.
patent: 5413744 (1995-05-01), Bruckner et al.
patent: 1531398 (1993-01-01), None
Born Iris
Jansen Helge
Chaney Carol
Lackenbach & Siegel LLP
Refratechnik Holding GmbH
Robinson Elizabeth
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