Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2007-07-24
2007-07-24
Witherspoon, Sikarl A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S461000, C568S464000, C562S523000, C562S531000
Reexamination Certificate
active
10563156
ABSTRACT:
The present invention provides a process for producing an α,α-bis(hydroxymethyl)alkanal represented by Formula (II):(wherein R represents an alkyl group, a cycloalkyl group, or an aryl group) which comprises reacting an aldehyde represented by Formula (I):in-line-formulae description="In-line Formulae" end="lead"?R—CH2—CHO (I)in-line-formulae description="In-line Formulae" end="tail"?(wherein R has the same meaning as defined above) with formaldehyde in the presence of a basic catalyst and a phase-transfer catalyst.
REFERENCES:
patent: 3312736 (1967-04-01), Ruhf
patent: 4122290 (1978-10-01), Immel et al.
patent: 4233247 (1980-11-01), Immel et al.
patent: 4247485 (1981-01-01), Immel et al.
patent: 5146004 (1992-09-01), Morris et al.
patent: 5618985 (1997-04-01), Kulmala et al.
patent: 5994592 (1999-11-01), Yokoyama et al.
patent: 08-500615 (1996-01-01), None
patent: 11-209323 (1999-08-01), None
patent: 11-222453 (1999-08-01), None
patent: 11-228478 (1999-08-01), None
Isogai Yukihiro
Konishi Shinichi
Nakayama Shingo
Yoshimoto Tokuyuki
Fitzpatrick ,Cella, Harper & Scinto
Kyowa Hakko Chemical Co., Ltd.
Witherspoon Sikarl A.
LandOfFree
Process for producing α,α-bis(hydroxymethyl)alkanal 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 producing α,α-bis(hydroxymethyl)alkanal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing α,α-bis(hydroxymethyl)alkanal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3812954