Compositions containing inorganic, organic and organometallic pa

Details Compositions containing inorganic, organic and organometallic pa Compositions containing inorganic, organic and organometallic pa

1996-04-09

1997-11-04

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524785, 528 15, 264 16, 264 19, 523103, A61K 610

Patent

active

056840608

ABSTRACT:
The present invention provides an addition-curable composition containing an inorganic, organic or organometalic compound of palladium in an amount effective to reduce the amount of hydrogen gas evolved in the reaction of the composition. A preferred embodiment is a dental impression material composition comprising: (a) an addition-curable compound; (b) a crosslinker; (c) a platinum-containing catalyst; and (d) a palladium compound. This generally provides a positive gypsum model of, for example, a dental impression that is substantially free of pits.

REFERENCES:
patent: 4273902 (1981-06-01), Tomioka et al.
patent: 4359565 (1982-11-01), Puppe et al.
patent: 4957667 (1990-09-01), Hamer
patent: 5258435 (1993-11-01), Huggins

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