GB1002381A - Process for the production of pure, monomeric formaldehyde - Google Patents
Process for the production of pure, monomeric formaldehydeInfo
- Publication number
- GB1002381A GB1002381A GB1074264A GB1074264A GB1002381A GB 1002381 A GB1002381 A GB 1002381A GB 1074264 A GB1074264 A GB 1074264A GB 1074264 A GB1074264 A GB 1074264A GB 1002381 A GB1002381 A GB 1002381A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acids
- pyrolysis
- active
- acid
- alkyl
- 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
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 9
- 239000002253 acid Substances 0.000 abstract 3
- 238000000197 pyrolysis Methods 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- 239000003463 adsorbent Substances 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- VREVKZLUMZQJRI-UHFFFAOYSA-N [SH2]=N Chemical class [SH2]=N VREVKZLUMZQJRI-UHFFFAOYSA-N 0.000 abstract 1
- -1 aliphatic dicarboxylic acids Chemical class 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 150000004996 alkyl benzenes Chemical class 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 235000012211 aluminium silicate Nutrition 0.000 abstract 1
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract 1
- 150000001555 benzenes Chemical class 0.000 abstract 1
- 150000008107 benzenesulfonic acids Chemical class 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 235000012241 calcium silicate Nutrition 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 239000000969 carrier Substances 0.000 abstract 1
- 150000002170 ethers Chemical class 0.000 abstract 1
- 239000000499 gel Substances 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- 229920000728 polyester Chemical class 0.000 abstract 1
- 229920000570 polyether Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 150000007519 polyprotic acids Polymers 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 150000003512 tertiary amines Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/55—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of oligo- or polymeric oxo-compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1963F0039340 DE1178414B (de) | 1963-03-27 | 1963-03-27 | Verfahren zur Herstellung von reinem, monomerem Formaldehydgas durch Pyrolyse von Paraformaldehyd. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1002381A true GB1002381A (en) | 1965-08-25 |
Family
ID=7097728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1074264A Expired GB1002381A (en) | 1963-03-27 | 1964-03-13 | Process for the production of pure, monomeric formaldehyde |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT244321B (enrdf_load_stackoverflow) |
| BE (1) | BE645407A (enrdf_load_stackoverflow) |
| DE (1) | DE1178414B (enrdf_load_stackoverflow) |
| GB (1) | GB1002381A (enrdf_load_stackoverflow) |
| NL (1) | NL6402407A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409675A (en) * | 1965-12-13 | 1968-11-05 | Celanese Corp | Paraformaldehyde depolymerization solvent media |
| JPS4986312A (enrdf_load_stackoverflow) * | 1972-12-25 | 1974-08-19 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000960A (en) * | 1959-02-24 | 1961-09-19 | Celanese Corp | Formaldehyde production |
| FR1284203A (fr) * | 1961-03-07 | 1962-02-09 | Stamicarbon | Procédé pour la préparation de formaldéhyde très pur |
-
1963
- 1963-03-27 DE DE1963F0039340 patent/DE1178414B/de active Pending
-
1964
- 1964-03-02 AT AT178664A patent/AT244321B/de active
- 1964-03-09 NL NL6402407A patent/NL6402407A/xx unknown
- 1964-03-13 GB GB1074264A patent/GB1002381A/en not_active Expired
- 1964-03-19 BE BE645407D patent/BE645407A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409675A (en) * | 1965-12-13 | 1968-11-05 | Celanese Corp | Paraformaldehyde depolymerization solvent media |
| JPS4986312A (enrdf_load_stackoverflow) * | 1972-12-25 | 1974-08-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6402407A (enrdf_load_stackoverflow) | 1964-09-28 |
| AT244321B (de) | 1965-12-27 |
| DE1178414B (de) | 1964-09-24 |
| BE645407A (enrdf_load_stackoverflow) | 1964-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE782619A (fr) | Procede de preparation d'acide terephtalique de haute purete | |
| CH533593A (fr) | Procédé de préparation d'esters de l'acide carbonique | |
| GB1002381A (en) | Process for the production of pure, monomeric formaldehyde | |
| GB1010057A (en) | Process for the preparation of cyclic ethers | |
| BE761975A (fr) | Procede de preparation de l'ester dimethylique de l'acide terephtaliqu | |
| GB1436113A (en) | Purification of phosphoric acid | |
| FR92123E (fr) | Nouveau procédé de préparation de l'acide chrysanthémique | |
| BE791138R (fr) | Procede de preparation de l'ester dimethylique de l'acide terephtaliqu | |
| BE761903A (fr) | Procede de preparation d'acide phosphorique pur | |
| BE780676A (fr) | Procede de production de l'acide 7-amino desacetoxy cephalosporanique | |
| FR1249073A (fr) | Procédé de préparation d'acide peracétique | |
| FR1193540A (fr) | Procédé pour la décomposition de polyesters de l'acide téréphtalique en acide téréphtalique | |
| FR1385050A (fr) | Procédé pour la préparation de polyesters de l'acide téréphtalique | |
| GB965728A (en) | Method and apparatus for producing phosphoric acids | |
| IT1021869B (it) | Procedimento di stabilizzazione di acido fosforico ottenuto per via umida | |
| GB994398A (en) | A process for the production of gaseous monomeric formaldehyde | |
| GB1242407A (en) | Process for the improvement of shaped silica gels | |
| FR1418262A (fr) | Procédé de préparation d'acide téréphtalique très pur | |
| FR1400892A (fr) | Procédé de préparation de polyesters renfermant du phosphore | |
| HU171316B (hu) | Sposob poluchenija fosfornoj kisloty soderzhahhej kal'cij putjom vyparivanija | |
| YU35031B (en) | Process for preparing esters of alkylsulfonic acids with 1,3,2-oxaazaphospha-cyclic compounds | |
| FR1294986A (fr) | Procédé de préparation de résines polyesters difficilement inflammables ou autoextinguibles | |
| FR1378649A (fr) | Procédé de préparation d'acide téréphtalique utilisable pour la production de polyesters par estérification directe | |
| BE596125A (fr) | Procédé pour la préparation d'esters d'acide phosphorique. | |
| FR1299996A (fr) | Procédé de préparation des esters de l'acide téréphtalique |