04310343 is referenced by 48 patents and cites 17 patents.

A new improved process for making liquid fertilizer having a high nitrogen and sulfur content has been developed in which urea and sulfuric acid are mixed. Exothermic heat, which normally builds up in successive reactions is dissipated via use of a non-reactive, nutritive heat sink, preferably comprising a predetermined amount of previously produced fertilizer.

Title
Process for making liquid fertilizer
Application Number
6/97681
Publication Number
4310343
Application Date
November 27, 1979
Publication Date
January 12, 1982
Inventor
George F Verdegaal
Hanford
CA, US
William J Verdegaal
Hanford
CA, US
Assignee
Verdegaal Bros Fertilizer
CA, US
IPC
C05C 9/00
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