Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-05-19
1997-01-07
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
433 48, 433214, 522 90, 522104, 522908, 525412, 525445, 523120, A61C 900, A61K 610
Patent
active
055917860
ABSTRACT:
Thermoplastic molding compositions are made from a mixture of thermoplastic material (for example, polycaprolactone), a free-radically polymerizable resin (for example, a urethane diacrylate oligomer), and free-radical initiator (for example, a visible-light cure photoinitiator). The mixture is solid at 38.degree. C., has a melting or softening point that comfortably can be withstood by oral tissues, and can be imprinted with a heat-stable custom shape memory and semi-thermoplastic properties by shaping the composition to a desired shape and then causing or permitting the resin to undergo polymerization.
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Kangas Lani S.
Oxman Joel D.
Ubel, III F. Andrew
Bjorkman Dale A.
Griswold Gary L.
Kirn Walter N.
Merriam Andrew E. C.
Michl Paul R.
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