Process for preparing oxytitanium phthalocyanine

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

540141, C09B 47067

Patent

active

047772514

ABSTRACT:
An improved process for preparing oxytitanium phthalocyanine is provided wherein the condensation reaction of o-phthalodinitrile with titanium tetrachloride is effected in an organic solvent at 170.degree. to 300.degree. C. followed by hydrolysis, the improvement wherein said organic solvent is preliminarily heated at a temperature of 160.degree. to 300.degree. C. prior to initiation of the condensation reaction. The A form of oxytitanium phthalocyanine crystal can selectively be produced in the pure state.

REFERENCES:
patent: 4664997 (1987-05-01), Suzuki et al.
patent: 4701396 (1987-10-01), Hung et al.

LandOfFree

Say what you really think

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

Rating

Process for preparing oxytitanium phthalocyanine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing oxytitanium phthalocyanine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing oxytitanium phthalocyanine will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1958898

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