Processes and products > Inorganic material > Nitrogen-containing (except ammonium) > Cyanamide > Patents

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Class Information
Number: 71/55
Name: Chemistry: fertilizers > Processes and products > Inorganic material > Nitrogen-containing (except ammonium) > Cyanamide
Description: Methods and products in which the N value is a cyanamide or a derivative thereof.

Sub-classes under this class:

Class Number	Class Name	Patents
71/57	Alkali metal or ammonium-containing	16
71/56	Nitrogen-containing (except ammonium)	9

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6576035	Stabilized enhanced efficiency controllable release calcium cyanamide compositions	Jun. 10, 2003
6372007	Organic compost	Apr. 16, 2002
5976212	Method and packaging utilizing calcium cyanamide for soil treatment	Nov. 2, 1999
5725630	Dry granular fertilizer blend and a method of fertilizing plants	Mar. 10, 1998
5698004	Method and packaging utilizing calcium cyanamide for soil treatment	Dec. 16, 1997
4582524	Non-caking granular mineral fertilizer and process for its production	Apr. 15, 1986
4352688	Nitrogen fertilizers	Oct. 5, 1982