IT1043608B - Procedimento per la produzione di acido metacrilico a apartire da isogutilene mediante ossidazione in due fasi - Google Patents
Procedimento per la produzione di acido metacrilico a apartire da isogutilene mediante ossidazione in due fasiInfo
- Publication number
- IT1043608B IT1043608B IT28600/75A IT2860075A IT1043608B IT 1043608 B IT1043608 B IT 1043608B IT 28600/75 A IT28600/75 A IT 28600/75A IT 2860075 A IT2860075 A IT 2860075A IT 1043608 B IT1043608 B IT 1043608B
- Authority
- IT
- Italy
- Prior art keywords
- isogutylene
- oxidation
- stages
- methacrylic acid
- acid production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- 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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49121510A JPS5148609A (ja) | 1974-10-23 | 1974-10-23 | Nidansankanyoruisopuchirenkarano metaku |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1043608B true IT1043608B (it) | 1980-02-29 |
Family
ID=14812973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28600/75A IT1043608B (it) | 1974-10-23 | 1975-10-23 | Procedimento per la produzione di acido metacrilico a apartire da isogutilene mediante ossidazione in due fasi |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5148609A (it) |
DE (1) | DE2547536C2 (it) |
FR (1) | FR2289482A1 (it) |
GB (1) | GB1504940A (it) |
IT (1) | IT1043608B (it) |
NL (1) | NL7512354A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52108917A (en) * | 1976-03-11 | 1977-09-12 | Nippon Shokubai Kagaku Kogyo Co Ltd | Preparation of acrylic acid by vapor-phase catalytic oxidation of prop ylene |
JPS5353613A (en) * | 1976-10-26 | 1978-05-16 | Nippon Zeon Co Ltd | Preparation of methacrylic acid |
JPS6059891B2 (ja) * | 1977-09-28 | 1985-12-27 | 住友化学工業株式会社 | メタクロレインおよびメタクリル酸の分離方法 |
NL8001385A (nl) * | 1979-03-15 | 1980-09-17 | Halcon Res & Dev | Werkwijze voor de bereiding van methacrylzuur. |
JPS6145541Y2 (it) * | 1981-05-20 | 1986-12-22 | ||
CA1299193C (en) * | 1986-07-17 | 1992-04-21 | Gordon Gene Harkreader | Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid |
CA1305178C (en) * | 1986-08-21 | 1992-07-14 | Gordon Gene Harkreader | Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid |
JP4456862B2 (ja) * | 2001-06-29 | 2010-04-28 | ビーエーエスエフ ソシエタス・ヨーロピア | イソ−ブタンからメタクリル酸を製造する方法 |
JP2016516732A (ja) | 2013-03-18 | 2016-06-09 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | メタクリル酸及びメタクリル酸エステルの製造方法 |
CN110694687B (zh) * | 2019-11-07 | 2022-10-04 | 曲阜师范大学 | 一种用于甲基丙烯醛氧化制甲基丙烯酸的负载纳米杂多酸催化剂及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5534783B2 (it) * | 1972-03-09 | 1980-09-09 |
-
1974
- 1974-10-23 JP JP49121510A patent/JPS5148609A/ja active Granted
-
1975
- 1975-10-22 NL NL7512354A patent/NL7512354A/xx not_active Application Discontinuation
- 1975-10-22 GB GB43461/75A patent/GB1504940A/en not_active Expired
- 1975-10-23 DE DE2547536A patent/DE2547536C2/de not_active Expired
- 1975-10-23 IT IT28600/75A patent/IT1043608B/it active
- 1975-10-23 FR FR7532485A patent/FR2289482A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5148609A (ja) | 1976-04-26 |
NL7512354A (nl) | 1976-04-27 |
FR2289482A1 (fr) | 1976-05-28 |
GB1504940A (en) | 1978-03-22 |
DE2547536A1 (de) | 1976-04-29 |
FR2289482B1 (it) | 1980-08-08 |
DE2547536C2 (de) | 1984-06-28 |
JPS5713538B2 (it) | 1982-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RO72485A (ro) | Procedeu de preparare a unui acid p-acilamidoacrilic-beta-substituit | |
JPS5459276A (en) | Production of diacetonee llketoglonic acid | |
IT1020070B (it) | Acido amminofosfonico ciclico | |
IT1008237B (it) | Procedimento per produrre fluoruri metallici a partire da acido fluosi licico | |
IT1043608B (it) | Procedimento per la produzione di acido metacrilico a apartire da isogutilene mediante ossidazione in due fasi | |
BR7506071A (pt) | Processo para preparar acido 2-cetol-gulonico | |
IT1029716B (it) | Procedimento per produrre acido acrilico monomerico | |
AU8226775A (en) | Production of acetic acid | |
AR222287A1 (es) | Esteres superiores de acido fenoxibenzoico | |
IT1031825B (it) | Metodo d evaporazione in un eva poratore continuo a stadi mulit pli | |
SE404923B (sv) | Sett att framstella kristallina prostansyraestrar | |
SE397332B (sv) | Sett att rena fosforsyra | |
RO65816A (ro) | Procedeu de preparare a esterilor acidului o-etil-s-n-propil-o-viniltionotiolfosforic | |
IT1021972B (it) | Procedimento per la produzione di acido acetico mediante ossidazione in fase gassosa | |
IT1086458B (it) | Procedimento per la produzione di acido metacrilico mediante ossidazione di metacroleina | |
JPS51125080A (en) | Production of novel prostanic acid derivatives | |
IT1059087B (it) | Procedimento di fabbricazione di acido tereftalico per ossidazione del paraxilolo | |
SE384845B (sv) | Sett att rena fosforsyra | |
SE411447B (sv) | Sett att framstella 4-cyklopropylmetylenoxi- 3-klorfenylettiksyra | |
SE7508779L (sv) | Sett att framstella prostaninsyraderivat | |
AR208576A1 (es) | Procedimiento para preparar un ester de acido 7-acilamido-3-metil-3-cefem-4-carboxilico | |
IT1015921B (it) | Procedimento per stabilizzare soluzioni di acido acetilsalicilico | |
IT1040892B (it) | Procedimento di fabbricazione di anidride maleica a partire da acido maleico | |
IT1006698B (it) | Processo atto a preparare cloruri acidi | |
ZA757976B (en) | Production of chlorocyanuric acid |