AT352154B - Verfahren zur herstellung von ureaformkoernern - Google Patents
Verfahren zur herstellung von ureaformkoernernInfo
- Publication number
- AT352154B AT352154B AT463777A AT463777A AT352154B AT 352154 B AT352154 B AT 352154B AT 463777 A AT463777 A AT 463777A AT 463777 A AT463777 A AT 463777A AT 352154 B AT352154 B AT 352154B
- Authority
- AT
- Austria
- Prior art keywords
- ureaform
- cores
- manufacturing
- ureaform cores
- manufacturing ureaform
- Prior art date
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)
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 (2)
Publication Number | Publication Date |
---|---|
ATA463777A ATA463777A (de) | 1979-02-15 |
AT352154B true AT352154B (de) | 1979-09-10 |
Family
ID=10264808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT463777A AT352154B (de) | 1976-07-02 | 1977-06-29 | Verfahren zur herstellung von ureaformkoernern |
Country Status (9)
Country | Link |
---|---|
US (1) | US4123570A (de) |
JP (1) | JPS5317161A (de) |
AT (1) | AT352154B (de) |
BE (1) | BE856346A (de) |
CA (1) | CA1089247A (de) |
DE (1) | DE2729442A1 (de) |
GB (1) | GB1564225A (de) |
NL (1) | NL7707313A (de) |
NO (1) | NO772331L (de) |
Families Citing this family (8)
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 |
Family Cites Families (5)
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 |
-
1976
- 1976-07-02 GB GB27759/76A patent/GB1564225A/en not_active Expired
-
1977
- 1977-06-29 US US05/811,434 patent/US4123570A/en not_active Expired - Lifetime
- 1977-06-29 DE DE19772729442 patent/DE2729442A1/de not_active Withdrawn
- 1977-06-29 CA CA281,694A patent/CA1089247A/en not_active Expired
- 1977-06-29 AT AT463777A patent/AT352154B/de not_active IP Right Cessation
- 1977-07-01 BE BE2056039A patent/BE856346A/xx unknown
- 1977-07-01 JP JP7796777A patent/JPS5317161A/ja active Pending
- 1977-07-01 NL NL7707313A patent/NL7707313A/xx not_active Application Discontinuation
- 1977-07-01 NO NO772331A patent/NO772331L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NL7707313A (nl) | 1978-01-04 |
BE856346A (nl) | 1978-01-02 |
CA1089247A (en) | 1980-11-11 |
GB1564225A (en) | 1980-04-02 |
ATA463777A (de) | 1979-02-15 |
DE2729442A1 (de) | 1978-01-05 |
US4123570A (en) | 1978-10-31 |
JPS5317161A (en) | 1978-02-16 |
NO772331L (no) | 1978-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |