JPS4830272B1 - - Google Patents
Info
- Publication number
- JPS4830272B1 JPS4830272B1 JP7875568A JP7875568A JPS4830272B1 JP S4830272 B1 JPS4830272 B1 JP S4830272B1 JP 7875568 A JP7875568 A JP 7875568A JP 7875568 A JP7875568 A JP 7875568A JP S4830272 B1 JPS4830272 B1 JP S4830272B1
- 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
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
-
- 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
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7875568A JPS4830272B1 (de) | 1968-10-29 | 1968-10-29 | |
| DE19691953583 DE1953583A1 (de) | 1968-10-29 | 1969-10-24 | Verfahren zur Herstellung von Tetrahydrofuran |
| GB5273669A GB1293151A (en) | 1968-10-29 | 1969-10-28 | Process for the preparation of tetrahydrofuran |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7875568A JPS4830272B1 (de) | 1968-10-29 | 1968-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4830272B1 true JPS4830272B1 (de) | 1973-09-18 |
Family
ID=13670699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7875568A Pending JPS4830272B1 (de) | 1968-10-29 | 1968-10-29 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4830272B1 (de) |
| DE (1) | DE1953583A1 (de) |
| GB (1) | GB1293151A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01153456A (ja) * | 1987-12-03 | 1989-06-15 | Tokyo Kani Hoken Jimu Center Shocho | プリンター用大型封筒の空気抜け穴 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006104A (en) * | 1973-08-03 | 1977-02-01 | Deutsche Texaco Aktiengesellschaft | Process for converting γ-butyrolactone into tetrahydrofuran |
| US3969371A (en) * | 1973-08-03 | 1976-07-13 | Deutsche Texaco Aktiengesellschaft | Process for converting γ-butyrolactone into tetrahydrofuran |
| GB8514001D0 (en) * | 1985-06-04 | 1985-07-10 | Davy Mckee Ltd | Process |
| US4810807A (en) * | 1987-10-13 | 1989-03-07 | The Standard Oil Company | Hydrogenation of maleic anhydride to tetrahydrofuran |
| JP2596604B2 (ja) * | 1988-12-14 | 1997-04-02 | 東燃株式会社 | １，４−ブタンジオールおよびテトラヒドロフランの製造方法 |
| JP2595358B2 (ja) * | 1989-12-07 | 1997-04-02 | 東燃株式会社 | １，４―ブタンジオールおよびテトラヒドロフランの製造方法 |
| DE4005293A1 (de) * | 1990-02-20 | 1991-08-22 | Basf Ag | Verfahren zur herstellung von tetrahydrofuran und -butyrolacton |
| US5041564A (en) * | 1990-04-16 | 1991-08-20 | Gaf Chemicals Corporation | Vapor phase process for production of gamma-butyrolactone |
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1968
- 1968-10-29 JP JP7875568A patent/JPS4830272B1/ja active Pending
-
1969
- 1969-10-24 DE DE19691953583 patent/DE1953583A1/de active Pending
- 1969-10-28 GB GB5273669A patent/GB1293151A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01153456A (ja) * | 1987-12-03 | 1989-06-15 | Tokyo Kani Hoken Jimu Center Shocho | プリンター用大型封筒の空気抜け穴 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1293151A (en) | 1972-10-18 |
| DE1953583A1 (de) | 1970-05-06 |