GB1303282A - - Google Patents
Info
- Publication number
- GB1303282A GB1303282A GB1989370A GB1989370A GB1303282A GB 1303282 A GB1303282 A GB 1303282A GB 1989370 A GB1989370 A GB 1989370A GB 1989370 A GB1989370 A GB 1989370A GB 1303282 A GB1303282 A GB 1303282A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- perchloroethylene
- contaminated
- carboxylic acids
- solution
- 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
- 239000002253 acid Substances 0.000 abstract 3
- WTKWFNIIIXNTDO-UHFFFAOYSA-N 3-isocyanato-5-methyl-2-(trifluoromethyl)furan Chemical compound CC1=CC(N=C=O)=C(C(F)(F)F)O1 WTKWFNIIIXNTDO-UHFFFAOYSA-N 0.000 abstract 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 abstract 2
- 150000001735 carboxylic acids Chemical class 0.000 abstract 2
- TVIDDXQYHWJXFK-UHFFFAOYSA-N n-Dodecanedioic acid Natural products OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 abstract 2
- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Natural products OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000007787 solid Substances 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82913669A | 1969-05-29 | 1969-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1303282A true GB1303282A (enExample) | 1973-01-17 |
Family
ID=25253629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1989370A Expired GB1303282A (enExample) | 1969-05-29 | 1970-04-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3627825A (enExample) |
| BE (1) | BE747862A (enExample) |
| DE (1) | DE2026034A1 (enExample) |
| FR (1) | FR2048927A5 (enExample) |
| GB (1) | GB1303282A (enExample) |
| NL (1) | NL7007593A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9487463B2 (en) * | 2013-10-08 | 2016-11-08 | Elevance Renewable Sciences, Inc. | High purity dibasic acid compositions and methods of making the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL283783A (enExample) * | 1961-10-04 | |||
| US3383413A (en) * | 1964-01-03 | 1968-05-14 | Grace W R & Co | Recovery of adipic acid from a cyclohexane oxidate mixture with 1, 2-dichloroethane |
-
1969
- 1969-03-29 US US829136*A patent/US3627825A/en not_active Expired - Lifetime
-
1970
- 1970-03-24 BE BE747862D patent/BE747862A/xx unknown
- 1970-04-24 GB GB1989370A patent/GB1303282A/en not_active Expired
- 1970-05-26 NL NL7007593A patent/NL7007593A/xx unknown
- 1970-05-27 DE DE19702026034 patent/DE2026034A1/de active Pending
- 1970-05-28 FR FR7019535A patent/FR2048927A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2048927A5 (enExample) | 1971-03-19 |
| US3627825A (en) | 1971-12-14 |
| BE747862A (fr) | 1970-08-31 |
| DE2026034A1 (de) | 1970-12-03 |
| NL7007593A (enExample) | 1970-12-01 |
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| GB1229133A (enExample) | ||
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| GB1172180A (en) | A Process for Improving the Purity of Inorganic or Organic Crystalline Products |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |