Low foaming therapeutic toothpastes with improved cleaning and abrasion performance
US5993784A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/87
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Low foaming therapeutic toothpastes containing a therapeutic substance, an abrasive, a humectant, a low foam surfactant, and/or a foam control agent having improved cleaning and abrasion performance wherein: packing of the abrasive into the channels of a channeled bristle toothbrush, and abrasive/tooth surface contact, are substantially free from surfactant bubble interference such that Cleaning Efficiency Coefficient and Abrasion Efficiency Coefficient values greater than about 1.1 are achieved along with improvements in therapeutic efficacy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.