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Back to the List of the Granted Patents                                                Click here to download AP2610 PDF

(11)    Patent No :    AP 2610   
(21)    Application No :    AP/P/2009/004933   
(22)    Filing Date :    24.01.2008   
(24)    Date of Grant &    05.03.2013   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    11/626,702    24.01.2007
(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
(73) Applicant(s)

SPECIALTY FERTILIZER PRODUCTS, LLC, 11550 Ash

Street, Leawood, Kansas 66211,
United States of America
(72) Inventors

SANDERS John Larry, United States of America

MAZO Grigory, United States of America

MAZO Jacob, United States of America

etal
(74) Representative
FISHER CORMACK & BOTHA
(51)    International  Classification   C05C 9/00 (2006.01)
(54)    Title

Fertilizer-polymer mixtures which inhibit nitrification in soils

(57)    Abstract

Improved, low -pH aqueous polymer mixtures are provided which can be applied directly to soils or incorporated within ammoniacal nitrogen-containing

fertilizers to inhibit nitrification in soils, thus enhancing plant uptake of ammonium and yields. The polymers are advantageously used as metal (e.g., Ca) salts or complexes at pH levels of up to about 2. The polymers have

(56)    Documents Cited :    US 6 515 090 B1   US 6 139 596 A

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