Anticalculus oral composition
US4806340A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1986 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Mar 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.