Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-08-25
1995-01-03
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523115, 528 59, 528 60, 528 76, 528 77, 4331991, 4332011, 4332021, 4332121, A61K 608, C08G 1810, A61C 1300
Patent
active
053787374
ABSTRACT:
Method, composition and structure are provided for tooth restorations comprising a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.
REFERENCES:
patent: 4281992 (1981-08-01), Colpitts et al.
patent: 4476292 (1984-10-01), Ham et al.
patent: 4677157 (1987-06-01), Jacobs
Jacobs Richard
Porteous Don D.
Bachand Louis J.
DeWitt LaVonda R.
Michl Paul R.
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