JPS62114934A - 有効成分の回収法 - Google Patents
有効成分の回収法Info
- Publication number
- JPS62114934A JPS62114934A JP25263385A JP25263385A JPS62114934A JP S62114934 A JPS62114934 A JP S62114934A JP 25263385 A JP25263385 A JP 25263385A JP 25263385 A JP25263385 A JP 25263385A JP S62114934 A JPS62114934 A JP S62114934A
- Authority
- JP
- Japan
- Prior art keywords
- methanol
- boiling
- dimethyl terephthalate
- product
- active ingredients
- 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.)
- Granted
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25263385A JPS62114934A (ja) | 1985-11-13 | 1985-11-13 | 有効成分の回収法 |
| US06/928,300 US4760165A (en) | 1985-11-13 | 1986-11-10 | Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate |
| DE8686308812T DE3674161D1 (de) | 1985-11-13 | 1986-11-12 | Verfahren zum gewinnen von nuetzlichen verbindungen, die mindestens dimethylterephthalat enthalten aus den hochsiedenden beiprodukten der herstellung von dimethylterephthalat. |
| EP86308812A EP0225738B1 (en) | 1985-11-13 | 1986-11-12 | Method of recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25263385A JPS62114934A (ja) | 1985-11-13 | 1985-11-13 | 有効成分の回収法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62114934A true JPS62114934A (ja) | 1987-05-26 |
| JPH0445504B2 JPH0445504B2 (https=) | 1992-07-27 |
Family
ID=17240067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25263385A Granted JPS62114934A (ja) | 1985-11-13 | 1985-11-13 | 有効成分の回収法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62114934A (https=) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312833A (en) * | 1976-07-22 | 1978-02-04 | Mitsubishi Chem Ind Ltd | Preparation of dimethylterephthalate |
-
1985
- 1985-11-13 JP JP25263385A patent/JPS62114934A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312833A (en) * | 1976-07-22 | 1978-02-04 | Mitsubishi Chem Ind Ltd | Preparation of dimethylterephthalate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445504B2 (https=) | 1992-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR920003924B1 (ko) | 포름산의 제조방법 | |
| US4096340A (en) | Process for the preparation of dimethyl terephthalate | |
| JP4677066B2 (ja) | 液状の粗酢酸ビニルの後処理法 | |
| US3438868A (en) | Process for purifying beta-methylmercaptopropionaldehyde by reduced pressure distillation in the presence of water or a c1 to c3 alcohol | |
| US2997494A (en) | Method of preparing vinyl esters of carboxylic acids | |
| EP0225738B1 (en) | Method of recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate | |
| JPS58183641A (ja) | (メタ)アクリル酸メチルの精製法 | |
| JP2537955B2 (ja) | マレイン酸ジメチルの製造方法 | |
| JPS62114934A (ja) | 有効成分の回収法 | |
| US3816523A (en) | Process for the production and purification of benzoic acid | |
| US3959389A (en) | Method of manufacturing alkylene oxide adducts of an aliphatic alcohol | |
| EP0074162B1 (en) | Process for producing p-cresol | |
| US6235924B1 (en) | Continuous process for preparing benzoic acid esters | |
| JP3986756B2 (ja) | アルキレングリコールモノアルキルエーテルのカルボン酸エステルを製造するための連続法 | |
| US3932531A (en) | Method of manufacturing alkylene oxide adducts of an aliphatic alcohol | |
| JPS6123781B2 (https=) | ||
| JPS62195348A (ja) | 有効成分の回収法 | |
| JPH03133972A (ja) | 非水溶性エポキシ・アルコールの回収方法 | |
| JPS6056698B2 (ja) | テレフタル酸ジメチルおよびその中間体の回収法 | |
| JPS60152438A (ja) | メタクリル酸の精製方法 | |
| JPS6016436B2 (ja) | ε−カプロラクトンの精製法 | |
| JPH11335319A (ja) | α−ヒドロキシカルボン酸の製造方法 | |
| US3829451A (en) | Process for producing trimellitic anhydride | |
| JPS60139634A (ja) | チモ−ル類の製造法 | |
| JP2756373B2 (ja) | 1,1,1−トリフルオロ−3−ニトロ−2−プロペンの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |