Process for preparing gamma quinacridone from polyphosphoric...

C - Chemistry – Metallurgy – 09 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

260/275

C09B 48/00 (2006.01) C09B 67/52 (2006.01)

Patent

CA 1050984

INVENTOR: Robert Jarl North INVENTION: Process for Preparing Gamma Quinacridone From Polyphosphoric Acid and Alcohol ABSTRACT OF THE DISCLOSURE A method is provided for the direct production of gamma quinacridone pigment comprising ring closure of dianilinoterephthalic acid in polyphosphoric acid and diluting the mixture with alcohol while controlling the temperature at between 0° and 25°C.

236658

LandOfFree

Say what you really think

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

Rating

Process for preparing gamma quinacridone from polyphosphoric... 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 gamma quinacridone from polyphosphoric..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing gamma quinacridone from polyphosphoric... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-677944

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