Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2008-01-09
2008-09-23
Eyler, Yvonne (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
Reexamination Certificate
active
07427694
ABSTRACT:
A process for the preparation of high purity bisphenol A is disclosed. The multi-step process entails a process whereby bisphenol A of a purity of preferably at least 99.8% can be obtained.
REFERENCES:
patent: 2775620 (1956-12-01), Williamson
patent: 5198591 (1993-03-01), Kiedik et al.
patent: 5243093 (1993-09-01), Kissinger et al.
patent: 5315042 (1994-05-01), Cipullo et al.
patent: 6384288 (2002-05-01), Kuhling et al.
patent: 6686508 (2004-02-01), Hirano et al.
patent: 6706848 (2004-03-01), Prein et al.
patent: 6710211 (2004-03-01), Heydenreich et al.
patent: 6906227 (2005-06-01), Neumann et al.
patent: 6919487 (2005-07-01), Neumann et al.
patent: 2002/0183562 (2002-12-01), Neumann et al.
patent: 2003/0038094 (2003-02-01), Neumann et al.
patent: 2003/0120120 (2003-06-01), Hirano et al.
patent: 2003/0181768 (2003-09-01), O'Young et al.
patent: 2005/0222467 (2005-10-01), Kodama et al.
patent: 19848026 (2000-04-01), None
patent: 19954787 (2001-05-01), None
patent: 19960144 (2001-06-01), None
patent: 19961521 (2001-06-01), None
patent: 19961566 (2001-06-01), None
patent: 0718267 (1996-06-01), None
patent: 0718268 (1996-06-01), None
patent: 1367043 (2003-12-01), None
patent: 159620 (1992-12-01), None
patent: WO 00/35847 (2000-06-01), None
patent: WO 02/40435 (2002-05-01), None
patent: WO 03/082785 (2003-10-01), None
Audenaert Raymond
Blaschke Ulrich
Braun Arne
Westernacher Stefan
Zank Jesko
Bayer Materialscience AG
Eyler Yvonne
Gale Kellette
Womble Carlyle Sandridge & Rice PLLC
LandOfFree
Process for the preparation of high-purity bisphenol A 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 high-purity bisphenol A, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of high-purity bisphenol A will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3975081