Use of free-flowing, magnetic iron oxide containing granules wit

Details Use of free-flowing, magnetic iron oxide containing granules wit Use of free-flowing, magnetic iron oxide containing granules wit

1998-06-09

2000-05-16

Koslow, C. Melissa

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106460, 106 3164, 106 3132, 252 6254, 252 6256, 399 27, 399 28, 4301066, 430 39, C09D 523, G03G 9083

Patent

active

060631805

ABSTRACT:
Magnetic iron oxide-containing granules for producing toners or inks, the granules comprising 95.0 to 99.8 wt. % of a magnetic iron oxide-containing compound and 0.2 to 5.0 wt. % of a binder, wherein the magnetic iron oxide-containing compound has an iron content of 50 to 73 wt. %, and wherein the granules have the following properties: a lightness under brightening L* of 40 to 79 CIELAB units, a color cast a* of -1.0 to 4.0 CIELAB units, a color cast b* of 0.0 to -7.0 CIELAB units, an average particle size of 30 to 250 .mu.m, and a residue of less than 2 wt. % in a flow properties test having a 1 mm sieve and 400 strokes.

REFERENCES:
patent: 802928 (1905-10-01), Fireman
patent: 4303749 (1981-12-01), Gruber et al.
patent: 4369265 (1983-01-01), Buxbaum et al.
patent: 4394469 (1983-07-01), Stratta et al.
patent: 4409300 (1983-10-01), Ohkawa et al.
patent: 4810305 (1989-03-01), Braun et al.
patent: 4990189 (1991-02-01), Wiese et al.
patent: 5002609 (1991-03-01), Rademachers et al.
patent: 5035748 (1991-07-01), Burow et al.
patent: 5401313 (1995-03-01), Supplee et al.
patent: 5718755 (1998-02-01), Kohler et al.
Derwent English Abstract for EP-257 423 (Mar. 2, 1988).
Derwent English Abstract for EP-373 426 (Jun. 20, 1990).
Derwent English Abstract for EP-90 396 (May 28, 1986).
Derwent English Abstract for EP-23 265 (Jul. 6, 1983).
Derwent English Abstract for DE-3,211,976 (Oct. 1, 1982).

Affiliated with

Also associated with

Rating

Use of free-flowing, magnetic iron oxide containing granules wit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Use of free-flowing, magnetic iron oxide containing granules wit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Use of free-flowing, magnetic iron oxide containing granules wit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-255358