GB1356896A - Silvex - Google Patents
SilvexInfo
- Publication number
- GB1356896A GB1356896A GB4929872A GB4929872A GB1356896A GB 1356896 A GB1356896 A GB 1356896A GB 4929872 A GB4929872 A GB 4929872A GB 4929872 A GB4929872 A GB 4929872A GB 1356896 A GB1356896 A GB 1356896A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silvex
- salt
- polar
- alkali metal
- dioxin
- 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
- ZLSWBLPERHFHIS-UHFFFAOYSA-N Fenoprop Chemical compound OC(=O)C(C)OC1=CC(Cl)=C(Cl)C=C1Cl ZLSWBLPERHFHIS-UHFFFAOYSA-N 0.000 title abstract 12
- -1 dioxincontaminated silvex amine salt Chemical class 0.000 abstract 9
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 abstract 6
- 229910052783 alkali metal Inorganic materials 0.000 abstract 6
- 238000000605 extraction Methods 0.000 abstract 4
- 239000002904 solvent Substances 0.000 abstract 4
- 239000007788 liquid Substances 0.000 abstract 3
- 239000012454 non-polar solvent Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 2
- 150000001412 amines Chemical class 0.000 abstract 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 abstract 2
- 238000000622 liquid--liquid extraction Methods 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 238000000638 solvent extraction Methods 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000002798 polar solvent Substances 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 235000019260 propionic acid Nutrition 0.000 abstract 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00192299A US3840592A (en) | 1971-10-26 | 1971-10-26 | Separation of dioxin and 2,4,5-t from dioxin and 2,4,5-t-contaminated silvex |
| US00192309A US3840593A (en) | 1971-10-26 | 1971-10-26 | Separation of 2,4,5-t and 2,3,7,8-tetrachlorodibenzo-p-dioxin from 2-(2,4,5-trichlorophenoxy)propionic acid contaminated therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1356896A true GB1356896A (en) | 1974-06-19 |
Family
ID=26887952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4929872A Expired GB1356896A (en) | 1971-10-26 | 1972-10-25 | Silvex |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE790558A (enExample) |
| DE (1) | DE2252561A1 (enExample) |
| FR (1) | FR2158290A1 (enExample) |
| GB (1) | GB1356896A (enExample) |
| NL (1) | NL7214524A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326882A (en) * | 1978-08-28 | 1982-04-27 | Ppg Industries, Inc. | Trichlorophenoxy alkanoic acid free of chlorinated dibenzo-p-dioxins |
-
0
- BE BE790558D patent/BE790558A/xx unknown
-
1972
- 1972-10-25 GB GB4929872A patent/GB1356896A/en not_active Expired
- 1972-10-26 FR FR7238009A patent/FR2158290A1/fr not_active Withdrawn
- 1972-10-26 NL NL7214524A patent/NL7214524A/xx unknown
- 1972-10-26 DE DE19722252561 patent/DE2252561A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7214524A (enExample) | 1973-05-01 |
| DE2252561A1 (de) | 1973-05-03 |
| FR2158290A1 (enExample) | 1973-06-15 |
| BE790558A (fr) | 1973-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |