Patent · US Expired

Reduction of abrasiveness in dentifrices

US4174387A · kind A · utility

20Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1977
Grant dateNov 13, 1979
Priority date
Expiry dateJan 31, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/412
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Dentifrice possessing superior cleaning and polishing characteristics comprising a silicious and calcined alumina abrasive system in an amount to provide an enamel abrasion to the dentifrice of above about 450, (as measured by the radioactive method) and about 0.005-1.0% and preferably about 0.1-1.0% by weight of a water soluble fluoride salt, such as sodium fluoride, sodium monofluorophosphate, stannous fluoride and the like, with or without raising the pH of said composition to preferably above about 7 so as to reduce said enamel abrasion thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.