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Class 71/38 - Gaseous


Subclass of Class 71 - Chemistry: fertilizers
Definition: Processes wherein the acid is supplied in the gaseous state.
No. of patents: 1
Last issue date: 05/21/2002


NumberTitleIssue Date
6391080Phosphate, phosphatic fertilizers manufacturing process
The new process is a process designed to produce P205 (the basic component in phosphoric acid, phosphate chemicals and fertilizers) in the gas phase in lieu of the state of the art (liquid phase) wet process. The new process is much less polluting than th...
05/21/2002
 
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