GB1168155A - Process for the Production of Condensation Products from Urea and Aldehydes - Google Patents
Process for the Production of Condensation Products from Urea and AldehydesInfo
- Publication number
- GB1168155A GB1168155A GB1278567A GB1278567A GB1168155A GB 1168155 A GB1168155 A GB 1168155A GB 1278567 A GB1278567 A GB 1278567A GB 1278567 A GB1278567 A GB 1278567A GB 1168155 A GB1168155 A GB 1168155A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- drier
- march
- plant nutrients
- aldehyde
- 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
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Fertilizers (AREA)
Abstract
1,168,155. Screw mixer; polymerisation apparatus, DEUTSCHE GOLD-UND SILBER-SCHBIDEAN-STALT. 17 March, 1967 [17 March, 1966; 7 April, 1966], No. 12785/67. Heading B1C. [Also in Divisions C2 and C3] A liquid aldehyde and molten urea are condensed to give resins or alkylidenediureas. In Fig. I aldehyde (e.g. hot concentrated aqueous formaldehyde) and urea are fed from containers 11 and 12 via mixing nozzle 13 into a reaction tube 14. The product passes with release of pressure and consequent partial evaporation of water into a spray drier. In Fig. 2, not shown, a rotating tube drier is used. In Fig. 3, the product is sprayed into a worm drier in which it is mixed with plant nutrients. In Fig. 4 it is sprayed onto plant nutrients on a conveyor belt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED0049619 | 1966-03-17 | ||
| DED0049811 | 1966-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1168155A true GB1168155A (en) | 1969-10-22 |
Family
ID=25972314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1278567A Expired GB1168155A (en) | 1966-03-17 | 1967-03-17 | Process for the Production of Condensation Products from Urea and Aldehydes |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE695629A (en) |
| DE (2) | DE1595493C3 (en) |
| GB (1) | GB1168155A (en) |
| NL (1) | NL6704064A (en) |
| SE (1) | SE331361B (en) |
-
1966
- 1966-03-17 DE DE19661595493 patent/DE1595493C3/en not_active Expired
- 1966-04-07 DE DE19661595497 patent/DE1595497B2/en active Granted
-
1967
- 1967-03-16 SE SE368867A patent/SE331361B/xx unknown
- 1967-03-16 BE BE695629D patent/BE695629A/xx unknown
- 1967-03-17 GB GB1278567A patent/GB1168155A/en not_active Expired
- 1967-03-17 NL NL6704064A patent/NL6704064A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1595497B2 (en) | 1973-08-02 |
| NL6704064A (en) | 1967-09-18 |
| DE1595497C3 (en) | 1974-03-07 |
| DE1595493C3 (en) | 1973-11-08 |
| DE1595493A1 (en) | 1970-04-30 |
| DE1595493B2 (en) | 1973-04-12 |
| BE695629A (en) | 1967-09-18 |
| DE1595497A1 (en) | 1970-10-15 |
| SE331361B (en) | 1970-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |