Phosphate-based dental investing material

Details Phosphate-based dental investing material Phosphate-based dental investing material

2007-06-11

2008-10-28

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Dental

C106S038900, C106S691000

Reexamination Certificate

active

07442246

ABSTRACT:
In order to produce a dental cast product having the flat surface, by blending a dispersant with a phosphate-based investing material to improve the dispersability of an aggregate powder and a binder powder so as to prevent a agglomeration of the aggregate powder and the binder powder thereby forming a wall surface of an cavity in a mold to be flat, and also to make more various kinds of powders available for the aggregate powder without restriction to quartz, cristobalite and tridymite, the phosphate-based dental investing material comprising a mixed powder including an aggregate powder and a phosphate-based binder powder, and a liquid, with an alkaline metal salt of phosphoric acid being added to at least one of the mixed powder and the liquid.

REFERENCES:
patent: 5968253 (1999-10-01), Poser et al.
patent: 7083672 (2006-08-01), Wagh et al.
patent: 0 868 896 (1998-10-01), None
patent: 1364925 (2003-11-01), None
patent: 6-336409 (1994-12-01), None
HJ Mueller, et al., “Surfactant-containing phosphate investments”, Dent Mater, vol. 2, No. 1, Feb. 1986, pp. 42-44.
Database WPI Week 199732, Derwent Publications Ltd., XP002448234, JP 09 141387 A, Jun. 3, 1997.
Database WPI Week 198447, Derwent Publications Ltd., XP002448235, JP 59 181204 A, Oct. 15, 1984.

Affiliated with

Also associated with

Rating

Phosphate-based dental investing material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Phosphate-based dental investing material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Phosphate-based dental investing material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4007501