Patent · US Expired

Anticalculus oral composition

US4806340A · kind A · utility

55Cited by
12References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1986
Grant dateFeb 21, 1989
Priority date
Expiry dateMar 20, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q11/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An oral dentifrice composition such as a toothpaste, dental gel, toothpowder, dental tablet or lozenge containing as anticalculus agent about 4.3% to about 7% of alkali metal pyrophosphates comprising at least 4.3% of tetrapotassium pyrophosphate alone or admixed with up to 2.7% of tetrasodium pyrophosphate, and as inhibitors against enzymatic hydrolysis of such agent in saliva, a fluoride and preferably up to about 3% of a synthetic anionic polymeric polycarboxylate, and use of such composition in a program of oral hygiene and/or for inhibiting dental calculus.

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