Stain-resistant orthodontic device

Details Stain-resistant orthodontic device Stain-resistant orthodontic device

1988-08-10

1990-06-12

Welsh, Maurice J.

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...

528 77, 528 80, 528 83, 528 85, 433 11, 433 15, 433 18, C08G 1842

Patent

active

049334182

ABSTRACT:
An elastomeric orthodontic tensioning device having improved stain resistance qualities.

REFERENCES:
patent: 3530583 (1970-09-01), Klein et al.
patent: 3741918 (1973-06-01), Koleske et al.
patent: 3758947 (1973-09-01), Kesling
patent: 3775354 (1973-11-01), Hostettler et al.
patent: 3957753 (1976-05-01), Hostettler
patent: 4038753 (1977-08-01), Klein
patent: 4324590 (1982-04-01), Schulz et al.
patent: 4412820 (1983-11-01), Brummond et al.
patent: 4439599 (1984-03-01), Watanabe et al.
patent: 4631329 (1986-12-01), Gornowicz et al.
patent: 4748192 (1988-05-01), Smith
patent: 4791156 (1988-12-01), Hostettler

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