Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-11-12
1999-07-20
Berman, Susan W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
522149, 522152, 522153, 522162, 522164, 522 97, 523116, 523117, 525452, 525377, 525374, C08G 1863, A61C 500, C08F26504, C08F26706
Patent
active
059257156
ABSTRACT:
A dental cement system containing a photocurable ionomer, reactive powder and water undergoes both a conventional setting reaction and a photocuring reaction.
The cement system can provide a long working time and can be cured on demand by exposure to an appropriate source of radiant energy. The surface of the cement cured in this manner is then hard enough to allow subsequent clinical procedures to be performed, while the ongoing chemical-cure "setting" reaction hardens the remainder of the cement.
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Berman Susan W.
Bjorkman Dale A.
Minnesota Mining and Manufacturing Company
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