Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Boron or compound containing same
Reexamination Certificate
2005-02-22
2005-02-22
Wood, Elizabeth D. (Department: 1755)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Boron or compound containing same
C502S203000, C502S216000, C502S217000, C502S218000
Reexamination Certificate
active
06858560
ABSTRACT:
An ethylene oxide catalyst is provided which is essentially transition metal and rhenium free and which consists essentially of silver, alkali metal, sulfur and boron components on a support such as alumina, optionally with a fluorine or chlorine component.
REFERENCES:
patent: 3702259 (1972-11-01), Nielsen
patent: 3888889 (1975-06-01), Kolombos et al.
patent: 3962136 (1976-06-01), Nielsen et al.
patent: 4007135 (1977-02-01), Hayden et al.
patent: 4908343 (1990-03-01), Bhasin
patent: 5011807 (1991-04-01), Hayden et al.
patent: 5051395 (1991-09-01), Mitchell et al.
patent: 5057481 (1991-10-01), Bhasin
patent: 5100824 (1992-03-01), Vora
patent: 5102848 (1992-04-01), Soo et al.
patent: 5145824 (1992-09-01), Buffum et al.
patent: 5384302 (1995-01-01), Gerdes et al.
patent: 5486628 (1996-01-01), Kemp
patent: 5504052 (1996-04-01), Rizkalla et al.
patent: 5545603 (1996-08-01), Kemp
patent: 5663385 (1997-09-01), Kemp
patent: 5739075 (1998-04-01), Matusz
patent: 5801259 (1998-09-01), Kowaleski
patent: 5905053 (1999-05-01), Rizkalla et al.
patent: 5929259 (1999-07-01), Lockemeyer
patent: 6103916 (2000-08-01), Takada et al.
patent: 6368998 (2002-04-01), Lockemeyer
patent: 6372925 (2002-04-01), Evans et al.
patent: 6579825 (2003-06-01), Lockemeyer
patent: 20020107410 (2002-08-01), Rizkalla et al.
patent: 0266015 (1987-10-01), None
patent: 07 16884 (1995-12-01), None
patent: 1571123 (1976-02-01), None
patent: 56105750 (1981-08-01), None
Long William C.
Roberts & Roberts, LLP
Scientific Design Co., Inc.
Wood Elizabeth D.
LandOfFree
Ethylene oxide catalyst does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ethylene oxide catalyst, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ethylene oxide catalyst will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3487799