Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2008-10-28
2010-12-28
Davis, Brian J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S728000
Reexamination Certificate
active
07858830
ABSTRACT:
An improved process for recovering phenol from a bisphenol-A residue stream by reconfiguring the distillation column and the cracking reactor in a way that separates the reboil/distillation heat load and the cracking heat load, so that separate heat sources are used.
REFERENCES:
patent: 3466337 (1969-09-01), Smith et al.
patent: 4131749 (1978-12-01), Kiedik et al.
patent: 6133486 (2000-10-01), Maas et al.
patent: 6303835 (2001-10-01), Shafer et al.
patent: 6459004 (2002-10-01), Ono et al.
patent: 7301056 (2007-11-01), Prein et al.
patent: 0110937 (1984-06-01), None
patent: 00/40531 (2000-07-01), None
patent: 2007/044139 (2007-04-01), None
International Search Report mailed Jun. 2, 2010 in the related application PCT/US09/59973.
Chi Chung-Ming
Evitt Steven
Lee Marshall S.
Palmer David
Badger Licensing LLC
Davis Brian J
Roberts Mlotkowski Safran & Cole P.C.
Roberts, Esq. Peter W.
LandOfFree
Process for recovering phenol from a BPA waste stream 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 recovering phenol from a BPA waste stream, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for recovering phenol from a BPA waste stream will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4234453