Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1978-07-10
1981-10-13
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 33046
Patent
active
042949971
ABSTRACT:
In the ethynylation of formaldehyde in the presence of a copper acetylide catalyst to produce butynediol, pH is controlled by the incremental or continuous addition of an alkali metal hydroxide and an alkali metal carbonate at an equivalent ratio of hydroxide ion to carbonate ion of 1:1-4:1.
REFERENCES:
patent: 3957888 (1976-05-01), Reiss et al.
patent: 4067914 (1978-01-01), Reiss et al.
Stock Albert M.
Verbsky James D.
E. I. Du Pont de Nemours and Company
Evans Joseph E.
LandOfFree
Process for the control of pH in the ethynylation of formaldehyd 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 control of pH in the ethynylation of formaldehyd, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the control of pH in the ethynylation of formaldehyd will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-932308