DE69100737D1 - Phasenübertragungskatalysator-Rückgewinnung. - Google Patents
Phasenübertragungskatalysator-Rückgewinnung.Info
- Publication number
- DE69100737D1 DE69100737D1 DE91304092T DE69100737T DE69100737D1 DE 69100737 D1 DE69100737 D1 DE 69100737D1 DE 91304092 T DE91304092 T DE 91304092T DE 69100737 T DE69100737 T DE 69100737T DE 69100737 D1 DE69100737 D1 DE 69100737D1
- Authority
- DE
- Germany
- Prior art keywords
- phase transfer
- transfer catalyst
- catalyst recovery
- recovery
- phase
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/86—Separation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/519,744 US5030757A (en) | 1990-05-07 | 1990-05-07 | Phase transfer catalyst recovery |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69100737D1 true DE69100737D1 (de) | 1994-01-20 |
DE69100737T2 DE69100737T2 (de) | 1994-03-24 |
Family
ID=24069601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE91304092T Expired - Fee Related DE69100737T2 (de) | 1990-05-07 | 1991-05-07 | Phasenübertragungskatalysator-Rückgewinnung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5030757A (de) |
EP (1) | EP0456455B1 (de) |
JP (1) | JPH04227856A (de) |
AU (1) | AU636750B2 (de) |
CA (1) | CA2040098A1 (de) |
DE (1) | DE69100737T2 (de) |
ES (1) | ES2047378T3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5483007A (en) * | 1993-04-22 | 1996-01-09 | Minnesota Mining And Manufacturing Company | Cyclic process for activation, use and recovery of phase-transfer catalysts |
DE19523595A1 (de) * | 1995-06-30 | 1997-01-02 | Hoechst Ag | Verfahren zur Herstellung einer kohlenstoffverbrückten Biscyclopentadienverbindung |
GB2369311B (en) * | 2000-11-24 | 2002-12-11 | Membrane Extraction Tech Ltd | Separating phase transfer agents |
JP4494685B2 (ja) * | 2001-09-17 | 2010-06-30 | 日本碍子株式会社 | ゼオライト積層複合体及びその製造方法 |
DE10164144A1 (de) * | 2001-12-27 | 2003-07-10 | Bayer Ag | Verfahren zur Herstellung von Quartärsalzphenolatlösungen und zur Regenerierung und Rückführung von Quartärsalzphenolatlösungen aus Reaktionsgemischen |
JP4497130B2 (ja) * | 2005-06-08 | 2010-07-07 | Jfeエンジニアリング株式会社 | 蓄熱性物質、蓄熱剤、蓄熱材、熱輸送媒体、蓄熱剤用融点調整剤、蓄熱剤用過冷却防止剤及び蓄熱剤または熱輸送媒体の主剤の製造方法 |
JP2012176915A (ja) * | 2011-02-28 | 2012-09-13 | Ube Industries Ltd | アルキルシクロペンタジエン化合物及びその製造方法 |
JP2015110581A (ja) * | 2014-12-24 | 2015-06-18 | 宇部興産株式会社 | アルキルシクロペンタジエン化合物及びその製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148214A (en) * | 1961-09-11 | 1964-09-08 | Pennsalt Chemicals Corp | Isolation and purification of quaternary ammonium salts |
AU410007B1 (en) * | 1966-01-20 | 1971-01-19 | IMPERIAL CHEMICAL INDUSTRIES OF AUSTRALIA AND NEW ZEALAND, LIMITED. Actual Inventors ( ) ROBERT ALFRED DEWAR, VOLKER ELMAR MAIER and MARGARET ANT HEA RIDDOLLS | Process of purification |
US3992432A (en) * | 1967-04-05 | 1976-11-16 | Continental Oil Company | Phase transfer catalysis of heterogeneous reactions by quaternary salts |
US3579581A (en) * | 1968-04-03 | 1971-05-18 | Monsanto Co | Preparation of quaternary ammonium hydroxides |
US3560583A (en) * | 1969-05-15 | 1971-02-02 | Du Pont | Process of preparing substituted cyclopentadienes |
DE2648043C2 (de) * | 1976-10-23 | 1984-05-24 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzpumpe für Brennkraftmaschinen |
GB1591214A (en) * | 1977-05-23 | 1981-06-17 | Sumitomo Chemical Co | Recovery of a tertiary amine or quaternary ammonium catalyst used in the production of a-substituted benzyl nitriles |
-
1990
- 1990-05-07 US US07/519,744 patent/US5030757A/en not_active Expired - Fee Related
-
1991
- 1991-04-09 CA CA002040098A patent/CA2040098A1/en not_active Abandoned
- 1991-05-01 JP JP3126524A patent/JPH04227856A/ja active Pending
- 1991-05-06 AU AU76376/91A patent/AU636750B2/en not_active Ceased
- 1991-05-07 ES ES91304092T patent/ES2047378T3/es not_active Expired - Lifetime
- 1991-05-07 EP EP91304092A patent/EP0456455B1/de not_active Expired - Lifetime
- 1991-05-07 DE DE91304092T patent/DE69100737T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5030757A (en) | 1991-07-09 |
JPH04227856A (ja) | 1992-08-17 |
ES2047378T3 (es) | 1994-02-16 |
EP0456455B1 (de) | 1993-12-08 |
AU636750B2 (en) | 1993-05-06 |
CA2040098A1 (en) | 1991-11-08 |
EP0456455A1 (de) | 1991-11-13 |
DE69100737T2 (de) | 1994-03-24 |
AU7637691A (en) | 1991-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |