Slow release nitrogen fertilizer

Details Slow release nitrogen fertilizer Slow release nitrogen fertilizer

2005-08-30

2005-08-30

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From aldehyde or derivative thereof as reactant

C528S266000, C528S486000, C528S491000, C528S503000, C528S503000, C524S818000, C524S839000, C071S028000

Reexamination Certificate

active

06936681

ABSTRACT:
A slow release, particulate urea-formaldehyde polymer useful as a fertilizer for enhancing the extended delivery of nitrogen needed for plant development and growth and a granular fertilizer made with the particulate urea-formaldehyde polymer.

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