Process for preparation of 1,3-propanediol

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07126034

ABSTRACT:
Disclosed is a process for hydrogenating 3-hydroxypropionic acid, or esters thereof, or mixtures of the acid and the ester, in a liquid phase, in the presence of a ruthenium catalyst, alone, or in combination with at least one or more additional metal catalyst wherein the metal is molybdenum, tungsten, titanium, zirconium, niobium, vanadium, chromium, or mixtures of the metals.

REFERENCES:
patent: 2094611 (1937-10-01), Lazier
patent: 3770837 (1973-11-01), Favstritsky et al.
patent: 4326072 (1982-04-01), Kruse et al.
patent: 4611085 (1986-09-01), Kitson
patent: 5061671 (1991-10-01), Kitson et al.
patent: 5066815 (1991-11-01), Sayo et al.
patent: 5387753 (1995-02-01), Scarlett et al.
patent: 5395991 (1995-03-01), Scarlett et al.
patent: 5426246 (1995-06-01), Nagahara et al.
patent: 5698749 (1997-12-01), Pedersen et al.
patent: 5786524 (1998-07-01), Powell et al.
patent: 5981769 (1999-11-01), Baur et al.
patent: 6191321 (2001-02-01), Forschner et al.
patent: 6288266 (2001-09-01), Moore et al.
patent: 6355848 (2002-03-01), Antons et al.
patent: 6376414 (2002-04-01), Antons et al.
patent: 6403844 (2002-06-01), Zhang et al.
patent: 6617478 (2003-09-01), Lee et al.
patent: 2002/0087035 (2002-07-01), Cortright et al.
patent: 2002/0087036 (2002-07-01), Haas et al.
patent: 2 362 157 (2000-03-01), None
patent: 10015388 (1998-01-01), None
patent: 11012207 (1999-01-01), None
patent: 2001002603 (2001-01-01), None
patent: 2001002604 (2001-01-01), None
patent: 2001002605 (2001-01-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for preparation of 1,3-propanediol 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 preparation of 1,3-propanediol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparation of 1,3-propanediol will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3703545

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.