Process for the preparation of diaryl carbonates

Details Process for the preparation of diaryl carbonates Process for the preparation of diaryl carbonates

2006-08-15

2006-08-15

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Carbonate esters

Reexamination Certificate

active

07091370

ABSTRACT:
A process for the preparation of an aromatic carbonate is disclosed. The process entails reacting an aromatic hydroxy compound of the formula R—(O—H)k, with carbon monoxide and oxygen, optionally in a solvent and in the presence of catalyst components, characterized in that after an initial partial charge of R—(O—H)kto the reaction mixture, the balance thereof is subsequently metered into the reaction mixture at least once in the course of the reaction.

REFERENCES:
patent: 4201721 (1980-05-01), Hallgren
patent: 4349485 (1982-09-01), Hallgren
patent: 5231210 (1993-07-01), Joyce et al.
patent: 5498742 (1996-03-01), Buysch et al.
patent: 5760272 (1998-06-01), Pressman et al.
patent: 5898079 (1999-04-01), Pressman et al.
patent: 5898080 (1999-04-01), Pressman et al.
patent: 6566295 (2003-05-01), Shalyaev et al.

Affiliated with

Also associated with

Rating

Process for the preparation of diaryl carbonates 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 the preparation of diaryl carbonates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of diaryl carbonates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3646022