C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 12/12 (2006.01) C07C 273/18 (2006.01) C07C 275/14 (2006.01)
Patent
CA 2041264
"LOW MOLECULAR WEIGHT UREA-FORMALDEHYDE REACTION PRODUCTS AND PROCESS FOR THE PREPARATION THEREOF" ABSTRACT OF THE DISCLOSURE Low molecular weight urea-formaldehyde reaction products are provided. Such products exhibit cold water solubility. They find use as a sustained nitrogen-release source for animals and plants. A three-stage process is provided for preparing the reaction products. The first stage comprises reacting urea and formaldehyde in an alkaline, alcoholic solution. Then the solvent is distilled off to form a melt. In the final stage the melt is polymerized to form the cold water soluble, low molecular weight reaction product.
Worsley Kenneth M.
Worsley Michael
Ogilvie And Company
Worsley Kenneth M.
Worsley Michael
LandOfFree
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