Patent · US Expired

Two component dentifrice for the treatment of dentinal hypersensitivity

US5843409A · kind A · utility

11Cited by
24References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 1994
Grant dateDec 1, 1998
Priority date
Expiry dateAug 8, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/88
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A two component desensitizing dentifrice composition is disclosed which comprises a first dentifrice component containing a desensitizing potassium salt such as potassium nitrate and a second dentifrice component containing a second desensitizing agent other than a potassium salt the such as SnF.sub.2, the second desensitizing agent being incompatible with the potassium salt, the first and second dentifrice components being maintained separate from the other until dispensed for application to teeth requiring relief from dentine hypersensitivity.

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