Method of making a rigid unitary fertilizer composite

Details Method of making a rigid unitary fertilizer composite Method of making a rigid unitary fertilizer composite

Filed on

1974-12-05

Date issued

1976-01-20

Examiner

Spear, Jr., Frank A.

Patent Class

Chemistry: fertilizers

SubClass

Processes and products

SubSubClass

Organic material-containing

Other Related Categories

71 11, 71 64A, 61 64F, C05G 100, C05C 1300

Type

Patent

Status

active

Patent number

039334589

Description

ABSTRACT:
This invention presents a method of making a rigid unitary fertilizer composite for fertilizing plants and trees and articles produced by the method. In the form of a spike, the composite has sufficient strength and toughness so as to enable it to be pushed or pounded into the ground near the roots of plants and trees. The method involves making an aqueous paste containing plant nutrients, acrylamide, and a catalyst for the polymerization of the acrylamide. The paste is then molded to the desired shape. The acrylamide is allowed to polymerize, after which time the excess water is removed by drying. The final product, which should contain at least 5 weight percent polyacrylamide, is a rigid mass.

REFERENCES:
patent: 3057713 (1962-10-01), Gessler
The Condensed Chemical Dictionary, Van Nostrand Reinhold, 8th Ed., pp. 53-55.

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