Method for purifying terephthalaldehyde

Details Method for purifying terephthalaldehyde Method for purifying terephthalaldehyde

2011-03-22

2011-03-22

Witherspoon, Sikarl A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

Reexamination Certificate

active

07910780

ABSTRACT:
The present invention relates to a method for purifying terephthalaldehyde which comprises a first step of dissolving terephthalaldehyde containing impurities in an aromatic solvent at high temperature to prepare a solution; and a second step of quenching the solution to re-crystallize it into terephthalaldehyde. In accordance with the present invention, high pure terephthalaldehyde may be economically prepared.

REFERENCES:
patent: 4017547 (1977-04-01), Simmons et al.
patent: 6891069 (2005-05-01), Zhu et al.
patent: 7183442 (2007-02-01), Yoon et al.
patent: 7714173 (2010-05-01), Kang et al.
patent: 60039183 (1985-02-01), None

Affiliated with

Also associated with

Rating

Method for purifying terephthalaldehyde does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2722467