Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2006-10-24
2006-10-24
Witherspoon, Sikarl A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S496000
Reexamination Certificate
active
07126030
ABSTRACT:
In the method of the invention, hydroxypivalaldehyde (3-hydroxy-2,2-dimethylpropanal) and/or its dimer is stored under solid conditions containing an amount of water. By storing such solid conditions, hydroxypivalaldehyde and/or its dimer is stored for a long period of time without reducing its purity.
REFERENCES:
patent: 4036888 (1977-07-01), Couderc et al.
patent: 25 47 540 (1976-05-01), None
patent: 61-18741 (1986-01-01), None
European Search Report, dated Jun. 21, 2005, for Application No. 05100958.7-2103.
Kuzuhara Ikutaro
Shigeta Hiroaki
Shiokawa Yoshihiro
Antonelli, Terry Stout and Kraus, LLP.
Mitsubishi Gas Chemical Company Inc.
Witherspoon Sikarl A.
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