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
1987-04-17
1988-05-31
Anderson, Harold D.
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...
524271, 524274, 523120, C08J 2300, C08L 2300, A61K 600
Patent
active
047481986
ABSTRACT:
A coating material for protecting the surfaces of teeth is obtained by dissolving a resinous composition comprising 100 weight parts of a polystreyene resin or a high-impact polystyrene resin and 1 to 60 weight parts of rosin or a rosin derivative added thereto in an organic solvent. The resinous composition may further contain 1 to 100 weight parts of a chlorinated polymer and 1 to 100 weight parts of a coloring matter.
REFERENCES:
patent: 3965060 (1976-06-01), Lakshmanan
patent: 4189419 (1980-02-01), Takemoto et al.
Nakazato Ryoji
Takahashi Masayuki
Anderson Harold D.
Daley Dennis R.
G-C Dental Industrial Corp.
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