BE856346A - Werkwijze ter bereiding van ureaformkorrels - Google Patents

Werkwijze ter bereiding van ureaformkorrels

Info

Publication number
BE856346A
BE856346A BE2056039A BE2056039A BE856346A BE 856346 A BE856346 A BE 856346A BE 2056039 A BE2056039 A BE 2056039A BE 2056039 A BE2056039 A BE 2056039A BE 856346 A BE856346 A BE 856346A
Authority
BE
Belgium
Prior art keywords
ureaform
grains
preparing
ureaform grains
preparing ureaform
Prior art date
Application number
BE2056039A
Other languages
English (en)
Original Assignee
Cie Neerlandaise De L Azote S
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 Cie Neerlandaise De L Azote S filed Critical Cie Neerlandaise De L Azote S
Publication of BE856346A publication Critical patent/BE856346A/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Glanulating (AREA)
BE2056039A 1976-07-02 1977-07-01 Werkwijze ter bereiding van ureaformkorrels BE856346A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27759/76A GB1564225A (en) 1976-07-02 1976-07-02 Preparation of ureaform

Publications (1)

Publication Number Publication Date
BE856346A true BE856346A (nl) 1978-01-02

Family

ID=10264808

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056039A BE856346A (nl) 1976-07-02 1977-07-01 Werkwijze ter bereiding van ureaformkorrels

Country Status (9)

Country Link
US (1) US4123570A (nl)
JP (1) JPS5317161A (nl)
AT (1) AT352154B (nl)
BE (1) BE856346A (nl)
CA (1) CA1089247A (nl)
DE (1) DE2729442A1 (nl)
GB (1) GB1564225A (nl)
NL (1) NL7707313A (nl)
NO (1) NO772331L (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034517B2 (ja) * 1978-03-03 1985-08-09 宇部興産株式会社 流動層で尿素を造粒する方法
US6306194B1 (en) 1999-09-14 2001-10-23 Georgia-Pacific Resins, Inc. Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels
US6432156B1 (en) * 1999-11-17 2002-08-13 The Homestead Corp. Method of coating materials and materials formed thereby
ITMI20011831A1 (it) * 2001-08-30 2003-03-02 Sadepan Chimica S R L Procedimento per la produzione di fertilizzanti azoiati e complessi, anche con microelementi, in forma granulare sferica ad elevata omogenei
TWI352439B (en) * 2007-09-21 2011-11-11 Lite On Technology Corp Light emitting diode packaging device, heat-dissip
US9296896B2 (en) * 2010-11-23 2016-03-29 Basf Se Polyamides with nanoparticles on the surface
CN104247254A (zh) 2012-02-24 2014-12-24 索尔维特殊聚合物美国有限责任公司 用于太阳能电池板的框架结构
CN102963959B (zh) * 2012-12-03 2013-11-13 北京师范大学 能够缓释氮和吸附-生物降解石油烃的微球颗粒制备方法
CN116574354B (zh) * 2023-05-12 2025-11-28 厦门九牧研发有限公司 一种脲醛复合材料及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA691577A (en) * 1964-07-28 A. Smith Joseph Mixed fertilizers containing ureaform
US2845401A (en) * 1955-02-28 1958-07-29 Allied Chem Ureaform fertilizer
US3477842A (en) * 1966-10-10 1969-11-11 Chemical Construction Corp Manufacture of free flowing fertilizer product by coating granules with urea-formaldehyde from an alkaline solution
US3635690A (en) * 1968-05-16 1972-01-18 Dow Chemical Co Soil treating method and composition for conserving nitrogen in soil by addition of a pyrazole thereto
US3649598A (en) * 1969-08-22 1972-03-14 Sumitomo Chemical Co Method for producing condensation products of urea and formaldehyde using sodium borate as an alkalizer

Also Published As

Publication number Publication date
NO772331L (no) 1978-01-03
AT352154B (de) 1979-09-10
NL7707313A (nl) 1978-01-04
US4123570A (en) 1978-10-31
ATA463777A (de) 1979-02-15
GB1564225A (en) 1980-04-02
JPS5317161A (en) 1978-02-16
CA1089247A (en) 1980-11-11
DE2729442A1 (de) 1978-01-05

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