Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1991-11-22
1996-04-23
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
523109, 523120, 524 5, 524 8, 524423, C08K 330
Patent
active
055104118
ABSTRACT:
The present invention relates to an improved dental flask that is suitable for use in microwave, irradiation processing of dentures, obturators and other dental prosthesis in which the dental flask is manufactured from a composition that is a mixture of a predominant amount of a liquid, polymerizable plastic resin mixed with lesser amounts of a gypsum-based material and plastic resin fibers.
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Hawley, Condensed Chemical Dictionary, 1987 p. 924 Plastic; p. 519 Fiberglass; p. 563 Glass Fiber.
McKinstry Robert E.
Zini Ivo
Guarriello John J.
Michl Paul R.
University of Pittsburgh
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