Patent · US Expired

Dentifrice

US5158764A · kind A · utility

2Cited by

11References

6Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Ivan Again · Sofia, BG
Vera Boyanova · Sofia, BG
Karin Otto · Bonn, DE
Matthias Neumuller · Hasselroth, DE
Harald Dippmann · Hanau, DE

Key dates

Filing date	Oct 9, 1991
Grant date	Oct 27, 1992
Priority date	—
Expiry date	Oct 9, 2011

Classification

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

Abstract

A dentifrice consists of the customary known non-abrasive dentifrice components which contains cellulose powder instead of customary known polishing bodies as the abrasive component.

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