CA2149075C - Engrais a liberation prolongee et methode de production - Google Patents

Engrais a liberation prolongee et methode de production Download PDF

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Publication number
CA2149075C
CA2149075C CA002149075A CA2149075A CA2149075C CA 2149075 C CA2149075 C CA 2149075C CA 002149075 A CA002149075 A CA 002149075A CA 2149075 A CA2149075 A CA 2149075A CA 2149075 C CA2149075 C CA 2149075C
Authority
CA
Canada
Prior art keywords
fertilizer
polyol
polyisocyanate
wax
fertilizer particles
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA002149075A
Other languages
English (en)
Other versions
CA2149075A1 (fr
Inventor
Alice P. Hudson
Fred E. Woodward (Deceased)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Surface Chemists of Florida Inc
Original Assignee
Surface Chemists of Florida Inc
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 Surface Chemists of Florida Inc filed Critical Surface Chemists of Florida Inc
Priority to CA002149075A priority Critical patent/CA2149075C/fr
Publication of CA2149075A1 publication Critical patent/CA2149075A1/fr
Application granted granted Critical
Publication of CA2149075C publication Critical patent/CA2149075C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05CNITROGENOUS FERTILISERS
    • C05C9/00Fertilisers containing urea or urea compounds
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G1/00Mixtures of fertilisers belonging individually to different subclasses of C05
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)
CA002149075A 1995-05-10 1995-05-10 Engrais a liberation prolongee et methode de production Expired - Lifetime CA2149075C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002149075A CA2149075C (fr) 1995-05-10 1995-05-10 Engrais a liberation prolongee et methode de production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002149075A CA2149075C (fr) 1995-05-10 1995-05-10 Engrais a liberation prolongee et methode de production

Publications (2)

Publication Number Publication Date
CA2149075A1 CA2149075A1 (fr) 1996-11-11
CA2149075C true CA2149075C (fr) 2002-05-07

Family

ID=4155815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002149075A Expired - Lifetime CA2149075C (fr) 1995-05-10 1995-05-10 Engrais a liberation prolongee et methode de production

Country Status (1)

Country Link
CA (1) CA2149075C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7416785B2 (en) 2004-05-26 2008-08-26 Basf Corporation Polyurethane-encapsulated particle comprising polyol derived from aromatic amine-based initiator
US8883914B2 (en) 2006-02-13 2014-11-11 Basf Corporation Article formed from a resin composition having a polyurethane encapsulated particle
WO2018067796A1 (fr) * 2016-10-05 2018-04-12 Nous, Llc Systèmes pour revêtements pour matériaux granulaires
CN119822883A (zh) * 2025-01-09 2025-04-15 南京麦禾思农业科技研究院有限公司 一种以包膜颗粒形态存在的有机液体肥及其制备方法

Also Published As

Publication number Publication date
CA2149075A1 (fr) 1996-11-11

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Legal Events

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MKEX Expiry

Effective date: 20150511