EP4739657A1 - Verfahren zur herstellung von triacetonamin - Google Patents
Verfahren zur herstellung von triacetonaminInfo
- Publication number
- EP4739657A1 EP4739657A1 EP24739157.6A EP24739157A EP4739657A1 EP 4739657 A1 EP4739657 A1 EP 4739657A1 EP 24739157 A EP24739157 A EP 24739157A EP 4739657 A1 EP4739657 A1 EP 4739657A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stream
- tmdp
- separation tower
- acetone
- bottoms stream
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/68—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D211/72—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D211/74—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/02—Preparation by ring-closure or hydrogenation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23183027 | 2023-07-03 | ||
| PCT/EP2024/068498 WO2025008307A1 (en) | 2023-07-03 | 2024-07-01 | Method for preparing triacetone amine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4739657A1 true EP4739657A1 (de) | 2026-05-13 |
Family
ID=87074761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24739157.6A Pending EP4739657A1 (de) | 2023-07-03 | 2024-07-01 | Verfahren zur herstellung von triacetonamin |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4739657A1 (de) |
| KR (1) | KR20260032588A (de) |
| CN (1) | CN121419962A (de) |
| MX (1) | MX2025015717A (de) |
| TW (1) | TW202517612A (de) |
| WO (1) | WO2025008307A1 (de) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54112873A (en) | 1978-02-23 | 1979-09-04 | Adeka Argus Chem Co Ltd | Preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
| JPS597701B2 (ja) | 1977-12-21 | 1984-02-20 | アデカ・ア−ガス化学株式会社 | 2,2,6,6−テトラメチル−4−オキソピペリジンの製造方法 |
| DE2807172A1 (de) | 1978-02-20 | 1979-08-23 | Huels Chemische Werke Ag | Verfahren zur herstellung von 2,2,6,6-tetramethylpiperidon-(4) |
| US4831146A (en) | 1988-03-21 | 1989-05-16 | Air Products And Chemicals, Inc. | Process for preparing triacetone amine and other oxopiperidines |
| JPH04154762A (ja) | 1990-10-16 | 1992-05-27 | Daicel Chem Ind Ltd | 2.2.6.6.―テトラメチル―4―オキソピペリジンの製造法 |
| JP4000721B2 (ja) | 1999-07-15 | 2007-10-31 | 住友化学株式会社 | 2,2,6,6−テトラメチル−4−オキソピペリジンの製造方法 |
| JP2003206277A (ja) | 2002-01-10 | 2003-07-22 | Mitsui Chemicals Inc | 2,2,6,6−テトラメチル−4−ピペリドンの製造方法 |
| DE102010062804A1 (de) | 2010-01-12 | 2011-07-14 | Evonik Degussa GmbH, 45128 | Verfahren zur Herstellung von 1,1 Diarylalkanen und Derivativen davon |
| CN103224465B (zh) | 2013-01-31 | 2015-04-08 | 天津大学 | 2,2,6,6-四甲基-4-哌啶酮连续合成方法 |
| EP3663284B1 (de) | 2018-12-07 | 2021-02-03 | Evonik Operations GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
-
2024
- 2024-07-01 EP EP24739157.6A patent/EP4739657A1/de active Pending
- 2024-07-01 KR KR1020267002996A patent/KR20260032588A/ko active Pending
- 2024-07-01 WO PCT/EP2024/068498 patent/WO2025008307A1/en not_active Ceased
- 2024-07-01 CN CN202480043734.XA patent/CN121419962A/zh active Pending
- 2024-07-03 TW TW113124895A patent/TW202517612A/zh unknown
-
2025
- 2025-12-19 MX MX2025015717A patent/MX2025015717A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025008307A1 (en) | 2025-01-09 |
| MX2025015717A (es) | 2026-02-03 |
| CN121419962A (zh) | 2026-01-27 |
| KR20260032588A (ko) | 2026-03-09 |
| TW202517612A (zh) | 2025-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20260203 |
|
| AK | Designated contracting states |
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