Patent · US Expired

Visually clear pigment-colored dentifrice composition

US4456585A · kind A · utility

13Cited by
32References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1983
Grant dateJun 26, 1984
Priority date
Expiry dateMay 16, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/58
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A visually clear pigmented dentifrice in which a color-intensive conjugated pigment, such as a phthalocyanine is dispersed homogeneously throughout the clear dentifrice. The dentifrice is characterized as retaining color without substantial fading and with retention of clarity.

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