Compositions: coating or plastic – Coating or plastic compositions – Dental
Patent
1991-06-10
1993-04-20
Bell, Mark L.
Compositions: coating or plastic
Coating or plastic compositions
Dental
523109, C09K 300
Patent
active
052039145
ABSTRACT:
A dental impression composition which contains as a main component 4 to 40% by weight of an acetoacetylated polyvinyl alcohol having an acetoacetylation degree of 0.5 to 15 mol % and a polymerization degree of 100 to 1,500, and additional components 1 to 20% by weight of gelling agents and 20 to 85% by weight of fillers.
REFERENCES:
patent: 4708821 (1987-11-01), Shimokawa et al.
Futami Shunichi
Kamohara Hiroshi
Bell Mark L.
Einsmann Margaret
GC Corporation
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