DK143077A - Fremgangsmade til fremstilling af furfural - Google Patents
Fremgangsmade til fremstilling af furfuralInfo
- Publication number
- DK143077A DK143077A DK143077A DK143077A DK143077A DK 143077 A DK143077 A DK 143077A DK 143077 A DK143077 A DK 143077A DK 143077 A DK143077 A DK 143077A DK 143077 A DK143077 A DK 143077A
- Authority
- DK
- Denmark
- Prior art keywords
- furfural
- procedures
- manufacture
- Prior art date
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
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
- C07D307/48—Furfural
- C07D307/50—Preparation from natural products
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/672,296 US4076733A (en) | 1976-03-31 | 1976-03-31 | Process for the preparation of furfural |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK143077A true DK143077A (da) | 1977-10-01 |
Family
ID=24697963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK143077A DK143077A (da) | 1976-03-31 | 1977-03-31 | Fremgangsmade til fremstilling af furfural |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4076733A (da) |
| JP (1) | JPS52118460A (da) |
| AT (1) | AT357514B (da) |
| CA (1) | CA1085864A (da) |
| DE (1) | DE2712901A1 (da) |
| DK (1) | DK143077A (da) |
| FI (1) | FI771009A (da) |
| FR (1) | FR2346343A1 (da) |
| GB (1) | GB1566044A (da) |
| NL (1) | NL7703390A (da) |
| SE (1) | SE7703630L (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4154744A (en) * | 1976-10-12 | 1979-05-15 | Sumitomo Chemical Company, Limited | Process for producing a furan derivative |
| DE10045465A1 (de) * | 2000-09-14 | 2002-03-28 | Karl Zeitsch | Verfahren zur atmosphärischen Herstellung von Furfural mit Hilfe eines gasförmigen Katalysators |
| JP2015180615A (ja) * | 2014-03-07 | 2015-10-15 | 花王株式会社 | フルフラールの製造方法 |
| CN108929291A (zh) * | 2017-05-23 | 2018-12-04 | 宁津春蕾生物科技有限公司 | 糠醛的生产工艺 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2520255A (en) * | 1945-11-17 | 1950-08-29 | Earl A Peterman | Glucuronic acid synthesis |
| CH405352A (de) * | 1958-12-17 | 1966-01-15 | Carlsson Skogh Carl Gunnar | Verfahren zur kontinuierlichen Gewinnung von Furfural aus festen Pentosan- und Pentose-haltigen Rohmaterialien nebst Anordnung zur Ausführung des Verfahrens |
-
1976
- 1976-03-31 US US05/672,296 patent/US4076733A/en not_active Expired - Lifetime
-
1977
- 1977-03-24 DE DE19772712901 patent/DE2712901A1/de not_active Withdrawn
- 1977-03-29 GB GB13059/77A patent/GB1566044A/en not_active Expired
- 1977-03-29 SE SE7703630A patent/SE7703630L/xx unknown
- 1977-03-29 NL NL7703390A patent/NL7703390A/xx not_active Application Discontinuation
- 1977-03-30 CA CA275,171A patent/CA1085864A/en not_active Expired
- 1977-03-31 FR FR7709732A patent/FR2346343A1/fr not_active Withdrawn
- 1977-03-31 FI FI771009A patent/FI771009A/fi not_active Application Discontinuation
- 1977-03-31 DK DK143077A patent/DK143077A/da not_active IP Right Cessation
- 1977-03-31 AT AT223077A patent/AT357514B/de not_active IP Right Cessation
- 1977-03-31 JP JP3551877A patent/JPS52118460A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2346343A1 (fr) | 1977-10-28 |
| GB1566044A (en) | 1980-04-30 |
| SE7703630L (sv) | 1977-10-01 |
| ATA223077A (de) | 1979-12-15 |
| CA1085864A (en) | 1980-09-16 |
| FI771009A (da) | 1977-10-01 |
| DE2712901A1 (de) | 1977-10-13 |
| NL7703390A (nl) | 1977-10-04 |
| US4076733A (en) | 1978-02-28 |
| JPS52118460A (en) | 1977-10-04 |
| AT357514B (de) | 1980-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment | ||
| PBP | Patent lapsed |