JPS4949953A - - Google Patents
Info
- Publication number
- JPS4949953A JPS4949953A JP47093457A JP9345772A JPS4949953A JP S4949953 A JPS4949953 A JP S4949953A JP 47093457 A JP47093457 A JP 47093457A JP 9345772 A JP9345772 A JP 9345772A JP S4949953 A JPS4949953 A JP S4949953A
- Authority
- JP
- Japan
- 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
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/86—Chromium
- B01J23/868—Chromium copper and chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Furan Compounds (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47093457A JPS4949953A (enExample) | 1972-09-18 | 1972-09-18 | |
| DE2332906A DE2332906A1 (de) | 1972-09-18 | 1973-06-28 | Verfahren zur herstellung von tetrahydrofuran |
| US376724A US3894054A (en) | 1972-09-18 | 1973-07-05 | Process for production of tetrahydrofuran |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47093457A JPS4949953A (enExample) | 1972-09-18 | 1972-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4949953A true JPS4949953A (enExample) | 1974-05-15 |
Family
ID=14082846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47093457A Pending JPS4949953A (enExample) | 1972-09-18 | 1972-09-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3894054A (enExample) |
| JP (1) | JPS4949953A (enExample) |
| DE (1) | DE2332906A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007516824A (ja) * | 2003-12-09 | 2007-06-28 | ビーエーエスエフ アクチェンゲゼルシャフト | 酸化銅をベースとする触媒押出物およびカルボニル化合物を水素化するためのその使用 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4810807A (en) * | 1987-10-13 | 1989-03-07 | The Standard Oil Company | Hydrogenation of maleic anhydride to tetrahydrofuran |
| US4965378A (en) * | 1987-12-23 | 1990-10-23 | The Standard Oil Company | Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone |
| CA1327812C (en) * | 1987-12-23 | 1994-03-15 | Thomas G. Attig | Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone |
| US5345005A (en) * | 1989-09-12 | 1994-09-06 | Engelhard Corporation | Hydrogenation catalyst, process for preparing and process of using said catalyst |
| US5155086A (en) * | 1989-09-12 | 1992-10-13 | Engelhard Corporation | Hydrogenation catalyst, process for preparing and process of using said catalyst |
| US5134108A (en) * | 1991-05-22 | 1992-07-28 | Engelhard Corporation | Process for preparing catalyst with copper or zinc and with chromium, molybdenum, tungsten, or vanadium, and product thereof |
| US5149836A (en) * | 1991-07-25 | 1992-09-22 | Isp Investments Inc. | Process for the production of gamma butyrolactone THF in predetermined amounts |
| US6357374B1 (en) * | 2000-07-21 | 2002-03-19 | Cortana Corporation | Method and apparatus for increasing the effectiveness and efficiency of multiple boundary layer control techniques |
| KR20240128823A (ko) | 2021-11-05 | 2024-08-27 | 다우 글로벌 테크놀로지스 엘엘씨 | 술폰산 작용화된 SiO2 담체 상 전이 금속을 포함하는 불균일 촉매 및 이러한 촉매의 에테르 제조 방법에서의 용도 |
| JP2024542947A (ja) | 2021-11-05 | 2024-11-19 | ダウ グローバル テクノロジーズ エルエルシー | ゼオライト担体上の遷移金属を含む不均一系触媒を用いたエーテルを製造するためのプロセス |
| CN120112505A (zh) | 2022-10-31 | 2025-06-06 | 陶氏环球技术有限责任公司 | 包含沸石载体上的铂和钌的非均相催化剂以及此类催化剂在用于生产醚的方法中的用途 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2130501A (en) * | 1934-06-27 | 1938-09-20 | Du Pont | Reduction of cyclic ethers |
| US3370067A (en) * | 1967-04-07 | 1968-02-20 | Shell Oil Co | Hydrogenolysis of butyrolactone and gamma-valerolactone to the corresponding cyclic ethers |
-
1972
- 1972-09-18 JP JP47093457A patent/JPS4949953A/ja active Pending
-
1973
- 1973-06-28 DE DE2332906A patent/DE2332906A1/de active Pending
- 1973-07-05 US US376724A patent/US3894054A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007516824A (ja) * | 2003-12-09 | 2007-06-28 | ビーエーエスエフ アクチェンゲゼルシャフト | 酸化銅をベースとする触媒押出物およびカルボニル化合物を水素化するためのその使用 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3894054A (en) | 1975-07-08 |
| DE2332906A1 (de) | 1974-04-04 |