A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/083 (2006.01) A61C 13/23 (2006.01) A61K 6/087 (2006.01) C08K 5/00 (2006.01) C08K 13/02 (2006.01) C08L 33/00 (2006.01) C08L 57/00 (2006.01)
Patent
CA 2169596
The invention provides a polymerizabie composition formed by mixing a liquid and a powder composition. The liquid composition includes a peroxide, which decomposes by at most fifty percent by weight of the peroxide within 10 hours at a temperature of at least 75 °C, and a polymerizable monomer. The powder composition comprising a proton donor, and a metal containing compound. The polymerizable composition has from 0.2 to 5 percent by weight of the peroxide, from 5 to 99 percent by weight of the polymerizable monomer, and from 0.1 to 3 percent by weight of the proton donor, and from 0.02 to 3 percent by weight of the metal containing compound. The polymerizable composition has an initial setting time and a storage setting time after storage of the first (liquid) composition for at least 12 months at a temperature of at least 23°C. The initial setting time is within 2 minutes of the storage setting time.
Klee Joachim E.
Walz Uwe
Dentsply Gmbh
Smart & Biggar
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