Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1991-02-07
1994-05-31
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
433 18, 433 22, 433 23, 433 20, 522908, 526242, C08G 1842, A61C 300
Patent
active
053170741
ABSTRACT:
An elastomeric orthodonic device such as a ligature, rotation wedge or force module is made of a composition selected from one or more classes of materials, such that the device has certain physical properties useful for orthodontic treatment and also is resistant to staining by common foods and beverages such as mustard, tea and coffee.
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Hammar W. James
Nave Miriam D.
Christoff James D.
Cooney John M.
Griswold Gary L.
Kight III John
Kirn Walter N.
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