Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2005-12-13
2005-12-13
Thornton, Yvette C. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S277100, C430S285100, C430S288100, C430S198000, C430S328000, C430S330000, C430S944000, C430S945000, C075S255000, C419S005000, C419S053000
Reexamination Certificate
active
06974656
ABSTRACT:
The present invention relates to a paste composition, including a bonding agent charged with a metallic powder, to be used in a prototyping procedure, a procedure for obtaining metallic products from said composition, and a metallic product obtained from said procedure. The composition is characterized by the fact that it includes:a bonding agent comprised of at least one photopolymerizable resin, with a viscosity of less than 4000 mPa.s, measured at 25° C.,a photoinitiator, in a concentration greater than 0.2% by mass with respect to the mass of the resin,and a metallic powder in a volumetric concentration greater than 40% with respect to the composition, with said composition having a minimum reactivity on the order of 5 mm3/s per watt of lighting power.
REFERENCES:
patent: 5496682 (1996-03-01), Quadir et al.
patent: 6630009 (2003-10-01), Moussa et al.
patent: 470262 (1992-02-01), None
3-D Systems, Inc.
D'Alessandro Ralph
Thornton Yvette C.
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