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Class Information
Number: 71/90
Name: Chemistry: fertilizers >

Sub-classes under this class:

Class Number Class Name Patents
71/1 Processes and products 97
71/900 Foams 16
71/901 Refuse conditioning 63
71/902 Nitrification inhibition 70
71/903 Soil conditioner 322
71/904 Carrier 142
71/DIG.2 Chelating agent 84
71/DIG.3 Defluorination 11
71/DIG.4 Anti-corrosion 16

Patents under this class:

Patent Number Title Of Patent Date Issued

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