CH610288A5 - Process for the preparation of a urea-formaldehyde condensate fertiliser - Google Patents

Process for the preparation of a urea-formaldehyde condensate fertiliser

Info

Publication number
CH610288A5
CH610288A5 CH587875A CH587875A CH610288A5 CH 610288 A5 CH610288 A5 CH 610288A5 CH 587875 A CH587875 A CH 587875A CH 587875 A CH587875 A CH 587875A CH 610288 A5 CH610288 A5 CH 610288A5
Authority
CH
Switzerland
Prior art keywords
fertiliser
urea
preparation
formaldehyde condensate
condensate
Prior art date
Application number
CH587875A
Other languages
English (en)
Inventor
Heinz Dr Schneider
Original Assignee
Saarbergwerke Ag
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 Saarbergwerke Ag filed Critical Saarbergwerke Ag
Publication of CH610288A5 publication Critical patent/CH610288A5/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Fertilizers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
CH587875A 1974-05-08 1975-05-07 Process for the preparation of a urea-formaldehyde condensate fertiliser CH610288A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742422238 DE2422238C2 (de) 1974-05-08 1974-05-08 Verfahren zur Herstellung eines Harnstoff-Formaldehyd-Düngers

Publications (1)

Publication Number Publication Date
CH610288A5 true CH610288A5 (en) 1979-04-12

Family

ID=5914975

Family Applications (1)

Application Number Title Priority Date Filing Date
CH587875A CH610288A5 (en) 1974-05-08 1975-05-07 Process for the preparation of a urea-formaldehyde condensate fertiliser

Country Status (5)

Country Link
AT (1) AT335485B (ro)
CH (1) CH610288A5 (ro)
DE (1) DE2422238C2 (ro)
FR (1) FR2270221B1 (ro)
NL (1) NL181362C (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115024188A (zh) * 2022-01-21 2022-09-09 江苏省农业科学院 一种氮缓释型秸秆育秧基质盘的制备方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1152197B (it) * 1982-05-27 1986-12-31 Montedison Spa Procedimento per la preparazione di fertilizzanti a lenta cessione di azoto
DE3539631C2 (de) * 1985-11-08 1997-07-31 Basf Ag Verfahren zur Herstellung von Oligomethylenharnstoffgemischen
IT1301970B1 (it) * 1998-07-30 2000-07-20 Sadepan Chimica S A S Di Savio Procedimento per la formulazione di un fertilizzante azotato stabilein forma liquida per un rilascio dell'azoto protratto nel tempo.
EP1195365A1 (de) 2000-09-21 2002-04-10 Agra Dünger GmbH Verfahren zur Herstellung von Methylenharnstoff-Polymeren
JP4430945B2 (ja) 2002-03-26 2010-03-10 ジョージア − パシフィック ケミカルズ エルエルシー 徐放性窒素肥料

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE528582C (de) * 1929-10-08 1931-07-09 I G Farbenindustrie Akt Ges Verfahren zur Herstellung von kristallisierten Kondensationsprodukten aus Formaldehyd und Harnstoffen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115024188A (zh) * 2022-01-21 2022-09-09 江苏省农业科学院 一种氮缓释型秸秆育秧基质盘的制备方法
CN115024188B (zh) * 2022-01-21 2024-02-23 江苏省农业科学院 一种氮缓释型秸秆育秧基质盘的制备方法

Also Published As

Publication number Publication date
NL181362B (nl) 1987-03-02
FR2270221A1 (ro) 1975-12-05
DE2422238C2 (de) 1987-03-26
NL7505402A (nl) 1975-11-11
DE2422238A1 (de) 1975-11-27
NL181362C (nl) 1987-08-03
FR2270221B1 (ro) 1981-10-09
ATA352875A (de) 1976-07-15
AT335485B (de) 1977-03-10

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Legal Events

Date Code Title Description
PL Patent ceased