DE69104037D1 - Verfahren zur darstellung von hochreinem tetrahydrofuran. - Google Patents
Verfahren zur darstellung von hochreinem tetrahydrofuran.Info
- Publication number
- DE69104037D1 DE69104037D1 DE69104037T DE69104037T DE69104037D1 DE 69104037 D1 DE69104037 D1 DE 69104037D1 DE 69104037 T DE69104037 T DE 69104037T DE 69104037 T DE69104037 T DE 69104037T DE 69104037 D1 DE69104037 D1 DE 69104037D1
- Authority
- DE
- Germany
- Prior art keywords
- tetrahydrofurane
- high purity
- representing high
- mixture
- tetrahydrofuran
- 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.)
- Expired - Fee Related
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/503,504 US4962210A (en) | 1990-04-02 | 1990-04-02 | Process for the preparation of high-purity tetrahydrofuran |
PCT/US1991/002059 WO1991015481A1 (en) | 1990-04-02 | 1991-03-28 | Process for the preparation of high-purity tetrahydrofuran |
SG173194A SG173194G (en) | 1990-04-02 | 1994-12-06 | Process for the preparation of high-purity tetrahydrofuran |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69104037D1 true DE69104037D1 (de) | 1994-10-20 |
DE69104037T2 DE69104037T2 (de) | 1995-02-02 |
Family
ID=26664507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69104037T Expired - Fee Related DE69104037T2 (de) | 1990-04-02 | 1991-03-28 | Verfahren zur darstellung von hochreinem tetrahydrofuran. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4962210A (de) |
EP (1) | EP0524216B1 (de) |
JP (1) | JP2994462B2 (de) |
KR (1) | KR0158706B1 (de) |
CN (1) | CN1033804C (de) |
AT (1) | ATE111458T1 (de) |
AU (1) | AU641333B2 (de) |
BR (1) | BR9106313A (de) |
CA (1) | CA2078878C (de) |
DE (1) | DE69104037T2 (de) |
DK (1) | DK0524216T3 (de) |
ES (1) | ES2060377T3 (de) |
SG (1) | SG173194G (de) |
WO (1) | WO1991015481A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5406007A (en) * | 1994-07-15 | 1995-04-11 | Eastman Chemical Company | Process for the production of unsaturated alcohols |
US5536851A (en) * | 1995-01-31 | 1996-07-16 | Eastman Chemical Company | Preparation of 2,3-dihydrofurans |
DE19544405A1 (de) * | 1995-11-29 | 1997-06-05 | Basf Ag | Verfahren zur Hydrierung von Dihydrofuranen zu Tetrahydrofuranen |
DE19622497A1 (de) * | 1996-06-05 | 1997-12-11 | Basf Ag | Verfahren zur Herstellung von Tetrahydrofuran aus Dialkoxybutenen |
KR100757007B1 (ko) * | 2006-08-31 | 2007-09-07 | 김성일 | 폴리테트라메틸렌에테르글리콜 디에스테르의 제조 방법 |
US8658807B2 (en) * | 2009-04-07 | 2014-02-25 | E I Du Pont De Nemours And Company | Hydrogenation process for the preparation of tetrahydrofuran and alkylated derivatives thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2561984A (en) * | 1949-04-25 | 1951-07-24 | Phillips Petroleum Co | Production of primary alcohols and aldehydes |
US3021343A (en) * | 1958-07-07 | 1962-02-13 | Quaker Oats Co | Hydrogenation process |
US3021342A (en) * | 1958-07-07 | 1962-02-13 | Quaker Oats Co | Hydrogenation of pyrans and furans |
US4254039A (en) * | 1980-06-16 | 1981-03-03 | National Distillers & Chemical Corp. | Process for the preparation of tetrahydrofuran |
-
1990
- 1990-04-02 US US07/503,504 patent/US4962210A/en not_active Expired - Lifetime
-
1991
- 1991-03-28 ES ES91907178T patent/ES2060377T3/es not_active Expired - Lifetime
- 1991-03-28 AT AT91907178T patent/ATE111458T1/de not_active IP Right Cessation
- 1991-03-28 DK DK91907178.7T patent/DK0524216T3/da active
- 1991-03-28 WO PCT/US1991/002059 patent/WO1991015481A1/en active IP Right Grant
- 1991-03-28 EP EP91907178A patent/EP0524216B1/de not_active Expired - Lifetime
- 1991-03-28 KR KR1019920702416A patent/KR0158706B1/ko not_active IP Right Cessation
- 1991-03-28 BR BR919106313A patent/BR9106313A/pt not_active IP Right Cessation
- 1991-03-28 CA CA002078878A patent/CA2078878C/en not_active Expired - Fee Related
- 1991-03-28 DE DE69104037T patent/DE69104037T2/de not_active Expired - Fee Related
- 1991-03-28 AU AU75891/91A patent/AU641333B2/en not_active Ceased
- 1991-03-28 JP JP3507382A patent/JP2994462B2/ja not_active Expired - Lifetime
- 1991-04-02 CN CN91102161.2A patent/CN1033804C/zh not_active Expired - Fee Related
-
1994
- 1994-12-06 SG SG173194A patent/SG173194G/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES2060377T3 (es) | 1994-11-16 |
BR9106313A (pt) | 1993-04-20 |
SG173194G (en) | 1995-04-28 |
JP2994462B2 (ja) | 1999-12-27 |
KR0158706B1 (ko) | 1998-12-01 |
EP0524216A1 (de) | 1993-01-27 |
ATE111458T1 (de) | 1994-09-15 |
CA2078878A1 (en) | 1991-10-03 |
WO1991015481A1 (en) | 1991-10-17 |
JPH05506025A (ja) | 1993-09-02 |
DE69104037T2 (de) | 1995-02-02 |
EP0524216B1 (de) | 1994-09-14 |
CN1033804C (zh) | 1997-01-15 |
AU641333B2 (en) | 1993-09-16 |
AU7589191A (en) | 1991-10-30 |
DK0524216T3 (da) | 1995-02-13 |
US4962210A (en) | 1990-10-09 |
CA2078878C (en) | 1998-08-11 |
CN1055358A (zh) | 1991-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69019397D1 (de) | Verfahren zur Herstellung von Tintenstrahldruckknöpfen. | |
IL112585A (en) | N-terminally chemically modified G-CSF and analogs process for their preparation and pharmaceutical compositions containing them | |
DE69003879D1 (de) | Poröses Material aus Polytetrafluorethylen und Verfahren zu dessen Herstellung. | |
ATA206785A (de) | Verfahren und vorrichtung zur herstellung von blöcken aus beliebigem material und blöcke als unmittelbares erzeugnis dieses verfahrens | |
DE3884973D1 (de) | Verfahren zur Herstellung von Avermectine-B und die verwendeten Kulturen. | |
DE69132176D1 (de) | Verfahren zur Herstellung von Elektroden | |
DE3883408D1 (de) | Verfahren zur Herstellung von Avermectinen und die verwendeten Kulturen. | |
DE69011951D1 (de) | Verfahren zur Behandlung und Herstellung von Material. | |
DE69004648D1 (de) | Verfahren zur Herstellung von Alpha-Hydroxycarbonsäure-Amiden. | |
FR2545099B1 (fr) | Nouvelle souche de trichoderma harzianum procede d'isolement de cette souche, procede de culture de cette souche, nouveaux peptides produits par cette souche, et application de cette souche et ces nouveaux peptides ou du produit obtenu par le procede de culture comme moyen de lutte biologique sous forme de produit phytosanitaire | |
DE69020172D1 (de) | Verfahren zur Herstellung von epsilon-Caprolactam. | |
DE69104037D1 (de) | Verfahren zur darstellung von hochreinem tetrahydrofuran. | |
DE69004122D1 (de) | Verfahren zur Herstellung eines Kalorienarmen Butterbrotaufstrichs und Erzeugnis. | |
DE69018215D1 (de) | Verfahren zur Produktion von optisch aktivem Atenolol und Zwischenprodukt davon. | |
DE69008617D1 (de) | Verfahren zur Herstellung von hydrophobem Material. | |
DE69119552D1 (de) | Verfahren zur Herstellung von Diethern | |
DE69023562D1 (de) | Verfahren zur Herstellung von Feinmustern. | |
DE69017345D1 (de) | Verfahren zur Herstellung von Cellobiose. | |
DE59003390D1 (de) | Verfahren zur Herstellung von Butandiol-1,4 und Tetrahydrofuran. | |
DE59006966D1 (de) | Vefahren zur Herstellung von hochreinen Polymerisaten des Tetrahydrofurans. | |
DE69007245D1 (de) | Aminobutanolderivate und Verfahren zur Herstellung von 3-Pyrrolidinol aus diesen. | |
DE68916760D1 (de) | Verfahren zur Herstellung von Gamma-Lactonen. | |
DE59007794D1 (de) | Verfahren zur Herstellung von 2-Chlor-5-chlormethyl-pyridin und neue Zwischenprodukte. | |
DE69017326D1 (de) | Poröses Material aus Polytetrafluorethylen und Verfahren zur Herstellung. | |
HU9201193D0 (en) | Process for folding sheets of dough and device for implementing it verfahren zum falten von teigblatterrn, sowie vorrichtung zur durchfuhrung dieses verfahrens |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |