Clay mineral-type color developer composition for...

B - Operations – Transporting – 41 – M

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

42/16

B41M 5/22 (1985.01)

Patent

CA 1211627

ABSTRACT A color developer composition for pressure- sensitive recording sheets, comprising (1) a color developer which is derived from a clay mineral having a layer structure composed of regular tetrahedrons of silica and which shows (A) a diffraction pattern attributable to the crystals of a layer structure composed of regular tetrahedlrons of slllca when subjected to an electron diffraction analysis, but (B) substantially no diffraction pattern at- tributable to the crystals of said layer structure when subjected to an X-ray dif- fraction analysis, and which (C) contains at least silicon and magnesium and/or aluminum in addition to oxygen, and (2) 0.2 to 2 millimoles, per gram of the components (1) and (2) combined, of at least one metal compound selected from the group consisting of the oxides and hydroxides of calcium, magnesium and zinc. The composition optionally further includes a color developer composed of a dioctahedral montmorillonite clay mineral treated with an acid or a mixture of it with a naturally occurring dioctahedral mont- morillonite clay mineral.

442851

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Clay mineral-type color developer composition for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Clay mineral-type color developer composition for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Clay mineral-type color developer composition for... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1288795

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.