Patent · US Expired

Colored single-component toners and their preparation

US4803143A · kind A · utility

9Cited by

7References

5Claims

0Family size

Assignee

BASF SE

Inventors

Werner Ostertag · Havelsee, DE
Erwin Czech · Biblis, DE
Franz-Ulrich Schmitt · Hannover, DE
Detlef Schulze-Hagenest · Molfsee, DE

Key dates

Filing date	Dec 1, 1986
Grant date	Feb 7, 1989
Priority date	—
Expiry date	Dec 1, 2006

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/104
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Colored single-component toners essentially consist of a magnetic pigment, a binder based on an organic polymer and/or a wax, a dye or colored pigment homogeneously distributed in the binder, and other assistants, the magnetic pigment being iron powder which has a spherical or elliptical shape.

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