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BRPI0504869A - process for obtaining gradually released urea granules (l.g.u.) in soil and resulting product - Google Patents

process for obtaining gradually released urea granules (l.g.u.) in soil and resulting product

Info

Publication number
BRPI0504869A
BRPI0504869A BRPI0504869-9A BRPI0504869A BRPI0504869A BR PI0504869 A BRPI0504869 A BR PI0504869A BR PI0504869 A BRPI0504869 A BR PI0504869A BR PI0504869 A BRPI0504869 A BR PI0504869A
Authority
BR
Brazil
Prior art keywords
urea
soil
resulting product
urea granules
nebulization
Prior art date
Application number
BRPI0504869-9A
Other languages
Portuguese (pt)
Inventor
Antonio Carlos De Junior Gissi
Original Assignee
Antonio Carlos De Junior Gissi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Antonio Carlos De Junior Gissi filed Critical Antonio Carlos De Junior Gissi
Priority to BRPI0504869-9A priority Critical patent/BRPI0504869A/en
Priority to PCT/BR2006/000163 priority patent/WO2007019658A1/en
Publication of BRPI0504869A publication Critical patent/BRPI0504869A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/30—Layered or coated, e.g. dust-preventing coatings
    • C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

"PROCESSO PARA OBTENçãO DE GRáNULO DE URéIA COM LIBERAçãO GRADATIVA (L.G.U.) NO SOLO E PRODUTO RESULTANTE. Atuando na lixiviação e volatização, aumentando o aproveitamento do elemento Uréia nas culturas agrícolas, compreendendo um conjunto de procedimentos para criar uma proteção pelicular sobre o grânulo de uréia (A), o qual é recoberto por camadas de polímeros (B), estes por sua definidos como LGUL01, LGUS02, LGUS03 e LGUL04, sendo que para tal se faz a aplicação individual de cada um dos polímeros citados, onde as operações de nebulização são acumulativas, ou seja cada nova nebulização de polímero sobrepõem-se à condição anterior de recobrimento, até que se chegue ao produto granulo de Uréia (A) desejado, o qual representa na prática, uma redução de 50% da quantidade de Uréia aplicado no solo, reduzindo inclusive sensivelmente as perdas volatilização ou lixiviação."PROCESS FOR OBTAINING GRADE RELEASE (LGU) UREA GRANULES IN THE SOIL AND RESULTANT PRODUCT. Acting on leaching and volatilization, increasing the utilization of the Urea element in agricultural crops, comprising a set of procedures to create a skin protection on the granule. urea (A), which is covered by layers of polymers (B), which are defined by LGUL01, LGUS02, LGUS03 and LGUL04, and for this the individual application of each of the mentioned polymers is made, where the operations of Nebulization is cumulative, meaning that each new polymer nebulization overlaps the previous coating condition until the desired Urea granule (A) product is reached, which in practice represents a 50% reduction in the amount of Urea applied. on the ground, significantly reducing volatilization or leaching losses.

BRPI0504869-9A 2005-08-15 2005-08-15 process for obtaining gradually released urea granules (l.g.u.) in soil and resulting product BRPI0504869A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0504869-9A BRPI0504869A (en) 2005-08-15 2005-08-15 process for obtaining gradually released urea granules (l.g.u.) in soil and resulting product
PCT/BR2006/000163 WO2007019658A1 (en) 2005-08-15 2006-08-11 Process to obtain granule of urea with gradul release in soil and resaultant product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0504869-9A BRPI0504869A (en) 2005-08-15 2005-08-15 process for obtaining gradually released urea granules (l.g.u.) in soil and resulting product

Publications (1)

Publication Number Publication Date
BRPI0504869A true BRPI0504869A (en) 2007-04-10

Family

ID=37757269

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0504869-9A BRPI0504869A (en) 2005-08-15 2005-08-15 process for obtaining gradually released urea granules (l.g.u.) in soil and resulting product

Country Status (2)

Country Link
BR (1) BRPI0504869A (en)
WO (1) WO2007019658A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB954555A (en) * 1959-10-13 1964-04-08 Archer Daniels Midland Co Improvements in or relating to delayed action granular fertilizers
US3295984A (en) * 1965-10-22 1967-01-03 Archer Daniel Midland Company Method of feeding animals a non-protein nitrogen source coated with copolymer of dicyclopentadiene and ester of unsaturated acid
US4011061A (en) * 1975-03-20 1977-03-08 Minnesota Mining And Manufacturing Company Articles providing sustained release and method of making
JPS61101242A (en) * 1984-10-22 1986-05-20 Showa Denko Kk Production of coated substance
US5211985A (en) * 1991-10-09 1993-05-18 Ici Canada, Inc. Multi-stage process for continuous coating of fertilizer particles

Also Published As

Publication number Publication date
WO2007019658A1 (en) 2007-02-22

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 6A ANUIDADE.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.