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VIGORO CORP

US6 patents

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US5556634ASep 17, 1996

Preparation of near-neutral anionic salt feed minerals

VIGORO CORP19 citations92
US5266097ANov 30, 1993

Aminoureaformaldehyde fertilizer method and composition

VIGORO CORP42 citations92
US5613465AMar 25, 1997

Controlled release aquatic nutrients

VIGORO CORP16 citations74
US5374294ADec 20, 1994

Controlled release potassium divalent metal phosphate fertilizer

VIGORO CORP17 citations74
US5354350AOct 11, 1994

Citrate soluble slow release iron humate

VIGORO CORP18 citations74
US5308373AMay 3, 1994

Metal ammonium phosphate-alkylene urea buffered fertilizer

VIGORO CORP17 citations74