Catalyst compositions and their use for chlorinating...

Details Catalyst compositions and their use for chlorinating... Catalyst compositions and their use for chlorinating...

2007-10-16

2007-10-16

Parsa, J. (Department: 1621)

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

Organic compounds

Halogen containing

C570S182000

Reexamination Certificate

active

10870351

ABSTRACT:
A method for ring-halogenating an aromatic compound comprises contacting the aromatic compound with chlorine or bromine in the presence of a catalyst composition, where the catalyst composition comprises at least one salt comprising a metal selected from the group consisting of Group13metal; and a counterion derived from an acid having a pKa relative to water of 0 or greater; and at least one organic sulfur compound.

REFERENCES:
patent: 3226447 (1965-12-01), Bing et al.
patent: 3622640 (1971-11-01), Taylor et al.
patent: 4031142 (1977-06-01), Graham
patent: 4031145 (1977-06-01), Di Bella
patent: 4031146 (1977-06-01), DiBella
patent: 4031147 (1977-06-01), Graham
patent: 4190609 (1980-02-01), Lin
patent: 4250122 (1981-02-01), Lin et al.
patent: 4289916 (1981-09-01), Nakayama et al.
patent: 4647709 (1987-03-01), Wolfram
patent: 4925994 (1990-05-01), Mais et al.
patent: 5210343 (1993-05-01), Mais et al.
patent: 0 126 669 (1984-11-01), None
International Search Report dated Nov. 18, 2005.

Affiliated with

Also associated with

Rating

Catalyst compositions and their use for chlorinating... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalyst compositions and their use for chlorinating..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyst compositions and their use for chlorinating... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3898930