GB1288333A - - Google Patents

Info

Publication number
GB1288333A
GB1288333A GB294170A GB294170A GB1288333A GB 1288333 A GB1288333 A GB 1288333A GB 294170 A GB294170 A GB 294170A GB 294170 A GB294170 A GB 294170A GB 1288333 A GB1288333 A GB 1288333A
Authority
GB
United Kingdom
Prior art keywords
oil
granules
coating
urea
composition
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
Application number
GB294170A
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 filed Critical
Publication of GB1288333A publication Critical patent/GB1288333A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic

Abstract

1288333 Coating urea granules STAMICARBON NV 21 Jan 1970 [23 Jan 1969] 2941/70 Heading B2E [Also in Division Cl] The absorption of moisture by urea granules is reduced by coating said granules at at 30-65‹C with a composition comprising a mineral oil, 5-20% wt. of a solid paraffin and 1-15% wt. of an animal or vegetable fat or oil. The coating may be applied by spraying the granules in a rotary drum, preferably in amount of 0.8% wt. based on the granules. Suitable animal or vegetable fat or oils are linseed oil, rape oil, olive oil, soybean oil, neat's foot oil, coconut butter, lard or beef suet which may be hydrogenated or partially polymerised. Optimum results are obtained with a composition comprising 80% mineral oil, 10% paraffin and 10% fat or oil, especially soybean oil. The treatment of urea granules according to the invention may be incorporated into a process for granulating urea from a melt in said coating composition.
GB294170A 1969-01-23 1970-01-21 Expired GB1288333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6901099.A NL159357B (en) 1969-01-23 1969-01-23 METHOD FOR REDUCING THE DYNAMIC HYGROSCOPICITY OF FERTILIZER GRAINS, AND THE GRAINS OBTAINED FROM THIS METHOD.

Publications (1)

Publication Number Publication Date
GB1288333A true GB1288333A (en) 1972-09-06

Family

ID=19805945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB294170A Expired GB1288333A (en) 1969-01-23 1970-01-21

Country Status (11)

Country Link
JP (1) JPS4919260B1 (en)
AT (1) AT291312B (en)
BE (1) BE744890A (en)
BR (1) BR7016257D0 (en)
DE (1) DE2002824B2 (en)
ES (1) ES375779A1 (en)
FR (1) FR2030228A1 (en)
GB (1) GB1288333A (en)
NL (1) NL159357B (en)
NO (1) NO121955B (en)
ZA (1) ZA70334B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305914A (en) * 1995-10-06 1997-04-23 Chown Peter A C Slow release fertilizer
GB2330093A (en) * 1997-10-10 1999-04-14 Foster Clarke Robin Adrian Coating fibrous or particulate material
CN103012019A (en) * 2012-12-11 2013-04-03 吉林农业大学 Urea slow release membrane material and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009025291A1 (en) * 2009-06-15 2010-12-16 Szaidel Cosmetic Gmbh Cosmetic composition, useful for bleaching human hair, comprises drying additive comprising urea in beaded form, which is coated with a film former, where composition is in the form of finely divided, anhydrous and easy flowing powder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR678452A (en) * 1928-08-11 1930-03-24 Ig Farbenindustrie Ag Process for the manufacture of fertilizers which are preserved in a condition to be broadcast sown
GB335175A (en) * 1929-06-15 1930-09-15 Ig Farbenindustrie Ag Improvements in the manufacture and production of fertiliser salts which are capable of being stored
GB575617A (en) * 1942-12-02 1946-02-26 Edgar Fajans Waterproofing hygroscopic salts
FR1132108A (en) * 1954-07-16 1957-03-05 Stamicarbon Process for the production of urea granules
FR1243658A (en) * 1958-12-26 1960-10-14 American Cyanamid Co Urea particles and their preparation process
FR1450420A (en) * 1962-09-28 1966-06-24 Sun Oil Co New slow-acting fertilizers and process for their manufacture
US3192033A (en) * 1964-02-06 1965-06-29 Sun Oil Co Method of preparing a slow release urea fertilizer
NL6411244A (en) * 1964-09-26 1966-03-28
FR1469714A (en) * 1965-02-23 1967-02-17 Shell Int Research Process for preparing fertilizer compositions

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305914A (en) * 1995-10-06 1997-04-23 Chown Peter A C Slow release fertilizer
GB2305914B (en) * 1995-10-06 1999-12-15 Chown Peter A C A slow release fertilizer product
GB2330093A (en) * 1997-10-10 1999-04-14 Foster Clarke Robin Adrian Coating fibrous or particulate material
GB2330093B (en) * 1997-10-10 2001-09-12 Foster Clarke Robin Adrian Coating fibrous or particulate animal litter
CN103012019A (en) * 2012-12-11 2013-04-03 吉林农业大学 Urea slow release membrane material and preparation method thereof
CN103012019B (en) * 2012-12-11 2014-10-29 吉林农业大学 Urea slow release membrane material and preparation method thereof

Also Published As

Publication number Publication date
BR7016257D0 (en) 1973-05-10
DE2002824B2 (en) 1973-10-25
NL6901099A (en) 1970-07-27
ZA70334B (en) 1971-01-27
DE2002824A1 (en) 1970-07-30
AT291312B (en) 1971-07-12
BE744890A (en) 1970-07-23
NO121955B (en) 1971-05-03
ES375779A1 (en) 1972-04-16
DE2002824C3 (en) 1974-05-30
NL159357B (en) 1979-02-15
FR2030228A1 (en) 1970-11-13
JPS4919260B1 (en) 1974-05-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee