Alloys or metallic compositions – Cobalt base – Chromium containing
Reexamination Certificate
2007-01-23
2007-01-23
King, Roy (Department: 1742)
Alloys or metallic compositions
Cobalt base
Chromium containing
Reexamination Certificate
active
10606937
ABSTRACT:
In order to provide an alloy which, on the one hand, can be used for the synthesis of crown and bridge frameworks that may be provided with a tooth-colored veneer of ceramic material, and, on the other hand, enable the synthesis of model casting bases, a nonprecious metal dental casting alloy is provided which substantially consists of:26–35wt %Cr2–6wt %Mo3–12wt %W0.8–1.5wt %Siup to 0.3wt %Mn0.1–0.35wt %N<0.1wt %Ni0.2–1.5wt %Taand manufacturing impurities of <0.1 wt % in each case,remainder cobalt,the content of tungsten being always greater than the content of molybdenum.
REFERENCES:
patent: 2763547 (1956-09-01), Dyrkacz et al.
patent: 3837838 (1974-09-01), Mohammed
patent: 3865585 (1975-02-01), Rademacher
patent: 4116724 (1978-09-01), Hirschfeld et al.
patent: 4436697 (1984-03-01), Friedrich et al.
patent: 4459263 (1984-07-01), Prasad
patent: 4483821 (1984-11-01), Prasad
patent: 4491561 (1985-01-01), Mann
patent: 4606887 (1986-08-01), Hausselt et al.
patent: 4728495 (1988-03-01), Rademacher
patent: 4830824 (1989-05-01), Lindigkeit
patent: 5039574 (1991-08-01), Kulmburg
patent: 5227131 (1993-07-01), Weigand
patent: 5228131 (1993-07-01), Ueda et al.
patent: 5556420 (1996-09-01), Mortazavi et al.
patent: 5799386 (1998-09-01), Ingersoll et al.
patent: 6656420 (2003-12-01), Prasad et al.
patent: 6756012 (2004-06-01), Prasad
patent: 7041251 (2006-05-01), Lindigkeit
patent: 2002/0004018 (2002-01-01), Prasad et al.
patent: 2002/0041820 (2002-04-01), Prasad
patent: 2004/0109785 (2004-06-01), Lindigkeit
patent: 1 984 538 (1968-04-01), None
patent: 36 09 184 (1987-09-01), None
patent: 41 23 606 (1993-01-01), None
patent: 198 15 091 (1998-10-01), None
patent: 19845638 (2000-04-01), None
patent: 0 509 910 (1992-04-01), None
patent: 2 733 416 (1996-10-01), None
patent: 53-31520 (1978-03-01), None
The American Heritage Dictionary of the English Language, 1976, pp. 184 and 243.
Alexander Michael P.
J.P. Winkelstroeter KG
King Roy
Leydig , Voit & Mayer, Ltd.
LandOfFree
Nonprecious dental casting alloy does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Nonprecious dental casting alloy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nonprecious dental casting alloy will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3747973