JPH10109955A5 - - Google Patents
Info
- Publication number
- JPH10109955A5 JPH10109955A5 JP1997258396A JP25839697A JPH10109955A5 JP H10109955 A5 JPH10109955 A5 JP H10109955A5 JP 1997258396 A JP1997258396 A JP 1997258396A JP 25839697 A JP25839697 A JP 25839697A JP H10109955 A5 JPH10109955 A5 JP H10109955A5
- Authority
- JP
- Japan
- Prior art keywords
- isophorone
- distillation
- trimethylcyclohex
- isolated
- producing
- 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.)
- Abandoned
Links
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19639569A DE19639569A1 (de) | 1996-09-26 | 1996-09-26 | Verfahren zur Herstellung von beta-Isophoron durch Isomerisierung von alpha-Isophoron (I) |
| DE19639569.0 | 1996-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10109955A JPH10109955A (ja) | 1998-04-28 |
| JPH10109955A5 true JPH10109955A5 (enExample) | 2005-03-10 |
Family
ID=7806965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9258396A Abandoned JPH10109955A (ja) | 1996-09-26 | 1997-09-24 | ３，５，５−トリメチルシクロヘキサ−３−エン−１−オンの製法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5907065A (enExample) |
| EP (1) | EP0832871B1 (enExample) |
| JP (1) | JPH10109955A (enExample) |
| AT (1) | ATE198188T1 (enExample) |
| DE (2) | DE19639569A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2795409B1 (fr) * | 1999-06-22 | 2001-08-24 | Atofina | Procede continu de fabrication de 3,5,5-trimethyl cyclohexa- 3-en-1-one(beta-isophorone) |
| FR2795408B1 (fr) * | 1999-06-22 | 2001-08-24 | Atofina | Procede continu de fabrication de 3,5,5-trimethyl cyclohexa- 3-en-1-one(beta-isophorone) |
| EP3330247B1 (de) | 2016-12-02 | 2019-05-08 | Evonik Degussa GmbH | Katalytische oxidation von 3,5,5-trimethylcyclohexa-3-en-1-on (beta-isophoron) mit wasserstoffperoxid zu 2,6,6-trimethyl-2-cyclohexene-1,4-dion (keto-isophoron) |
| CN112517075B (zh) * | 2020-11-30 | 2022-07-12 | 万华化学集团股份有限公司 | 一种异构化催化剂及其制备方法，及β-异佛尔酮的制备方法 |
| CN114805045B (zh) * | 2021-01-18 | 2023-10-20 | 万华化学(四川)有限公司 | 一种连续制备β-异佛尔酮的方法 |
| CN115433067B (zh) * | 2022-08-23 | 2023-12-19 | 万华化学集团股份有限公司 | 一种β-异佛尔酮的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3735211A1 (de) * | 1987-10-17 | 1989-04-27 | Huels Chemische Werke Ag | Verfahren zur herstellung von beta-isophoron aus alpha-isophoron |
| JPH0819031B2 (ja) * | 1987-12-28 | 1996-02-28 | 曽田香料株式会社 | ３，５，５−トリメチルシクロヘキサ−３−エン−１−オンの製造方法 |
| EP0488045B2 (de) * | 1990-11-30 | 1999-10-13 | F. Hoffmann-La Roche Ag | Verfahren zur Herstellung von beta-Isophoron |
| US5276197A (en) * | 1990-11-30 | 1994-01-04 | Hoffman-La Roche Inc. | Process for manufacture of beta-isophorone |
-
1996
- 1996-09-26 DE DE19639569A patent/DE19639569A1/de not_active Withdrawn
-
1997
- 1997-09-09 DE DE59702784T patent/DE59702784D1/de not_active Expired - Fee Related
- 1997-09-09 EP EP97115590A patent/EP0832871B1/de not_active Expired - Lifetime
- 1997-09-09 AT AT97115590T patent/ATE198188T1/de not_active IP Right Cessation
- 1997-09-24 JP JP9258396A patent/JPH10109955A/ja not_active Abandoned
- 1997-09-26 US US08/938,821 patent/US5907065A/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2001520019A5 (enExample) | ||
| EP0756895A3 (en) | Process for producing a synthesis gas conversion catalyst | |
| SG44337A1 (en) | Process for the preparation of vinyl acetate catalyst | |
| AU8673391A (en) | Catalyst composition for purification of exhaust gas, catalyst for purification of exhaust gas, and process for producing said catalyst | |
| CA2356942A1 (en) | Preparation of iodixanol | |
| IL149742A0 (en) | A process for the conversion of ethylene to vinyl chloride, and novel catalyst compositions useful for such process | |
| CA2154023A1 (en) | Recombinant infectious non-segmented negative strand rna virus | |
| JPH10109955A5 (enExample) | ||
| JP2003306535A5 (enExample) | ||
| ITMI941208A0 (it) | Procedimento catalitico per la produzione di ossime | |
| JP2002504606A5 (enExample) | ||
| Enders et al. | Asymmetric synthesis of α-substituted nitriles and cyanohydrins by oxidative cleavage of chiral aldehyde hydrazones with magnesium monoperoxyphthalate | |
| JPH1067692A5 (enExample) | ||
| CA2018991A1 (en) | Process for the preparation of vinyl acetate | |
| AU2001212914A1 (en) | Friedel-craft process for the preparation of thioxanthones | |
| RU93052674A (ru) | Способ получения муравьиной кислоты | |
| NO170406C (no) | Fremgangsmaate for fremstilling av klorfluoretaner | |
| JPH1118785A5 (enExample) | ||
| JPH10330413A5 (enExample) | ||
| JPS5499788A (en) | Cyclohexane dehydrogenation catalyst and dehydrogena tion reaction method | |
| EP0763519A3 (en) | Production of methylamines | |
| CA2253901A1 (en) | Process for the preparation of formylimidazoles | |
| JPH10130321A5 (enExample) | ||
| MD1787F2 (en) | Process for obtaining of R(+)1,2,3,6-tetrahydro-4-phenyl-1-[(3-phenyl-3-cyclohexene-1-yl)methyl] of pyridine and intermediate compounds | |
| JP3178898B2 (ja) | メチルアミン類の製造方法 |