BE505571A - - Google Patents
Info
- Publication number
- BE505571A BE505571A BE505571DA BE505571A BE 505571 A BE505571 A BE 505571A BE 505571D A BE505571D A BE 505571DA BE 505571 A BE505571 A BE 505571A
- Authority
- BE
- Belgium
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
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1024196T | 1950-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505571A true BE505571A (pt) |
Family
ID=9578689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505571D BE505571A (pt) | 1950-09-01 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE505571A (pt) |
| FR (1) | FR1024196A (pt) |
| NL (1) | NL88058C (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2462433A1 (fr) * | 1979-08-03 | 1981-02-13 | Bertin & Cie | Perfectionnements apportes aux procedes et aux appareillages pour l'obtention de furfural a partir de matieres vegetales |
| FR2600063A1 (fr) * | 1986-06-11 | 1987-12-18 | Technip Cie | Procede et installation de traitement des matieres vegetales pour produire notamment du furfural |
-
0
- NL NL88058D patent/NL88058C/xx active
- BE BE505571D patent/BE505571A/xx unknown
-
1950
- 1950-09-01 FR FR1024196D patent/FR1024196A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL88058C (pt) | |
| FR1024196A (fr) | 1953-03-30 |