Patent · US Active

Black color material and toner

US7951960B2 · kind B2 · utility

0Cited by

2References

7Claims

0Family size

Assignee

FUJI XEROX CO., LTD. · JP

Inventors

Shinji Hasegawa · Yamakita, JP
Minquan Tian · Yamakita, JP
Yuka Ito · Yokohama, JP
Kazuhiko Hirokawa · Yokohama, JP
Miho Watanabe · Yamakita, JP
Makoto Furuki · Yokohama, JP

Key dates

Filing date	Sep 30, 2008
Grant date	May 31, 2011
Priority date	—
Expiry date	Jan 18, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B59/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The black color material includes a condensation product of a pyrrole compound represented by the following formula (1) and a squaric acid represented by the following formula (2):

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