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Class Information
Number: 568/457
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Aldehydes > Acyclic > Processes > Formaldehyde polymer reactant
Description: Processes wherein the compound is prepared by reacting a polymer of formaldehyde, e.g., decomposing paraformaldehyde to monomeric formaldehyde by heat.

Patents under this class:

Patent Number Title Of Patent Date Issued
7534921 Method for the production of optically active carbonyl May. 19, 2009
7439406 Method for hydrogenating methylol alkanals Oct. 21, 2008
6835855 Metal complex carrying a 2-phospa-tricyclo[]decyl radical as a ligand in hydroformylation Dec. 28, 2004
6610888 Reaction of a solution comprising a mixture Aug. 26, 2003
6229053 Method for purification of formaldehyde, use thereof and plastics produced therewith May. 8, 2001
6187971 Method for producing polyalcohols Feb. 13, 2001
5686554 Process for the manufacture of paraformaldehyde Nov. 11, 1997
5495050 Depolymerization of chloroaldehyde cyclic trimers Feb. 27, 1996
5386062 Catalytic preparation of condensation products of formaldehyde Jan. 31, 1995
5146012 Manufacture of neopentyl glycol (III) Sep. 8, 1992
5144088 Manufacture of neopentyl glycol (I) Sep. 1, 1992
4550213 Method of manufacture for paraformaldehyde prills Oct. 29, 1985
4263460 Process for preparing methyl-nonyl-acetaldehyde Apr. 21, 1981

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