Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1994-06-23
1996-12-10
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568853, 568858, 568862, 568881, C07C 29141
Patent
active
055832709
ABSTRACT:
Disclosed are the improvements of a process for the preparation of 1,3-butylene glycol, in which the generation of by-products can be decreased, resulting in being capable of productiong 1,3-butylene glycol having high quality (e.g. an odorless, so-called "cosmetic grade") at a high-yield.
REFERENCES:
patent: 4608446 (1986-08-01), Mohzing et al.
patent: 5345004 (1994-09-01), Nishiguchi
Smeykal et al.; Chem. Abs. 69:86255w (1968).
Daicel Chemical Industries Ltd.
Geist Gary
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