Dental cavity varnish composition
AssigneePennwalt Corporation
InventorsPeter P. L. Cheung, Barry V. Evangelist
Life of this patent
Estimating the term…
Abstract
Dental cavity varnish compositions comprising a solution of nitrocellulose and toluene sulfonamide which wet and precisely conform to each "peak" and "valley" of the extensive microundercuts generated during cavity preparation. The varnish compositions are compatible with composite resin restorative materials.
Claims12
A dental cavity varnish composition comprising nitrocellulose in the range between about 5.0 to 7.5 parts, toluene sulfonamide in the range between about 3.5 to 5.0 parts, and 100 parts of a mixture of solvents for said nitrocellulose and toluene sulfonamide.
The composition of claim 6 wherein said dental cavity varnish composition comprises, by parts:
- nitrocellulose 5.0, toluene sulfonamide 5.0;
- and 100 of said solvent.
Dependencies are inferred from the claim text.