US2005263036A1PendingUtilityA1
Dental material
Est. expiryJan 4, 2021(expired)· nominal 20-yr term from priority
Inventors:Carolyn M. Primus
A61K 6/851A61K 6/77C04B 2111/10C04B 7/32C04B 7/02C04B 2111/00215C04B 2111/802C04B 2111/00836
63
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Claims
Abstract
A white, substantially non-iron containing dental material formed from Portland cement. The material may be a dental cement, dental restorative or the like.
Claims
exact text as granted — not AI-modified1 . A dental material comprising Portland cement and which contains less than about 0.5 percent by weight of iron oxide based upon 100 percent by weight of the material.
2 . A dental material as in claim 1 which is white in color.
3 . A dental material as in claim 1 , comprising from about 61 to about 70 weight percent calcia, from about 19 to about 29 weight percent silica, from about 5 to about 15 weight percent alumina and from 0 to about 0.5 weight iron, based upon 100 weight percent of the material.Cited by (0)
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