ES2119685B1 - PROCEDURE FOR OBTAINING THE DRY PHASE OF THE 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D) - Google Patents
PROCEDURE FOR OBTAINING THE DRY PHASE OF THE 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D)Info
- Publication number
- ES2119685B1 ES2119685B1 ES9601359A ES9601359A ES2119685B1 ES 2119685 B1 ES2119685 B1 ES 2119685B1 ES 9601359 A ES9601359 A ES 9601359A ES 9601359 A ES9601359 A ES 9601359A ES 2119685 B1 ES2119685 B1 ES 2119685B1
- Authority
- ES
- Spain
- Prior art keywords
- obtaining
- dry phase
- procedure
- dichlorophenoxyacetic acid
- group
- 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 - Fee Related
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO DE OBTENCION EN FASE SECA DE ESTERES DEL ACIDO 2,4-DICLOROFENOXIACETICO (2,4-D). PROCEDIMIENTO DE OBTENCION EN FASE SECA DE ESTERES DEL ACIDO 2,4-DICLOROFENOXIACETICO (2,4-D), QUE CORRESPONDEN A LA SIGUIENTE FORMULA ESTRUCTURAL GENERAL. C6H3CL2-O-CH2-COOR DONDE R PUEDE SER UN GRUPO ALQUILICO O ALQUENILICO LINEALES O RAMIFICADOS, O INCLUSO UN GRUPO ARILICO. CONSISTE EN EL DESARROLLO DE UN NUEVO METODO ALTAMENTE SELECTIVO DE OBTENCION DE LOS ESTERES DERIVADOS DEL ACIDO 2,4-D OPERANDO EN FASE SECA CON EL EMPLEO DE SOPORTES PREFERENTEMENTE POROSOS DE USO COMUN DEL TIPO DE OXIDOS COMO SON SILICES Y ALUMINAS, O DEL TIPO DE LOS SILICATOS COMO SON LAS ZEOLITAS, ASI COMO BENTONITAS, SEPIOLITAS Y OTROS MINERALES DE LA ARCILLA Y EN CUALQUIER CASO UTILIZADOS EN FORMA DE POLVOS O SOLIDOS FINAMENTE DIVIDIDOS. PERMITE OBTENER DIRECTAMENTE UN SOLIDO SEMIFORMULADO, COMO HERBICIDA.PROCEDURE FOR OBTAINING IN THE DRY PHASE OF ESTERS OF THE 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D). PROCEDURE FOR OBTAINING IN THE DRY PHASE OF 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D), CORRESPONDING TO THE FOLLOWING GENERAL STRUCTURAL FORMULA. C6H3CL2-O-CH2-COOR WHERE R MAY BE A LINEAR OR BRANCHED ALKYLIC OR ALKENYLIC GROUP, OR EVEN AN ARILIC GROUP. IT CONSISTS IN THE DEVELOPMENT OF A NEW HIGHLY SELECTIVE METHOD OF OBTAINING THE ESTERS DERIVED FROM THE 2,4-D ACID OPERATING IN THE DRY PHASE WITH THE USE OF PREFERENTLY POROUS SUPPORTS OF COMMON USE OF THE TYPE OF OXIDES SUCH AS SILICES AND ALUMINUMS, OR OF THE TYPE OF SILICATES AS THE ZEOLITES ARE, AS WELL AS BENTONITES, SEPIOLITES AND OTHER CLAY MINERALS AND IN ANY CASE USED IN THE FORM OF FINALLY DIVIDED POWDERS OR SOLIDS. ALLOWS TO OBTAIN A SEMIFORMULATED SOLID DIRECTLY, AS AN HERBICIDE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9601359A ES2119685B1 (en) | 1996-06-18 | 1996-06-18 | PROCEDURE FOR OBTAINING THE DRY PHASE OF THE 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9601359A ES2119685B1 (en) | 1996-06-18 | 1996-06-18 | PROCEDURE FOR OBTAINING THE DRY PHASE OF THE 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D) |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2119685A1 ES2119685A1 (en) | 1998-10-01 |
ES2119685B1 true ES2119685B1 (en) | 1999-06-16 |
Family
ID=8295205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9601359A Expired - Fee Related ES2119685B1 (en) | 1996-06-18 | 1996-06-18 | PROCEDURE FOR OBTAINING THE DRY PHASE OF THE 2,4-DICHLOROPHENOXYACETIC ACID (2,4-D) |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2119685B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2543397A (en) * | 1949-08-15 | 1951-02-27 | American Chem Paint Co | Herbicidal compositions containing esters of chlorinated phenoxyacetic acids |
GB672104A (en) * | 1950-06-05 | 1952-05-14 | Dow Chemical Co | Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid |
CA1127999A (en) * | 1980-06-12 | 1982-07-20 | Basf Canada Inc. | Use of microwave energy in the production of plasticizer esters |
-
1996
- 1996-06-18 ES ES9601359A patent/ES2119685B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2119685A1 (en) | 1998-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19981001 Kind code of ref document: A1 Effective date: 19981001 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20180807 |