http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-863138-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e95dc47b91eed2e59a22adbc58b3c6e2 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2527-11 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2527-08 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2-867 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C2-86 |
| filingDate | 1958-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cb2f299f540fe673b31c23dbfc434e8e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6fe5b0376eb0dff68dee49217516a663 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_32f76482dcf6cbbfb5fa492c9f0c26ec |
| publicationDate | 1961-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-863138-A |
| titleOfInvention | Production of conjugated diolefines |
| abstract | Conjugated diolefines are produced by the condensation of a mono-olefine containing up to 6 carbon atoms and formaldehyde or acetaldehyde in the vapour phase in the presence of a volatile acid boiling below 200 DEG C. at atmospheric pressure, or substance giving rise to such an acid under the reaction conditions, and a solid. The acid may be hydrogen chloride, hydrogen bromide, hydrogen iodide, formic acid, acetic acid, chloroacetic acid, trichloroacetic acid or trifluoroacetic acid; substances giving rise to acids include ammonium and alkyl halides. The solid may be silica gel, alumina, kieselguhr or pumice and may have deposited thereon a salt of a Group 2a or 2b metal, e.g. calcium, barium or cadmium. Preferred olefines are isobutene, 2-methylbutene-2, and 2-methylbutene-1. The mol ratio of olefine to aldehyde may be 1-20:1. Inert diluents in amounts of 0-95% by volume of the total mixture may be used, e.g. nitrogen, carbon dioxide, or lower paraffins particularly by employing industrial formalin as a source of formaldehyde. Where hydrogen chloride is added, amounts of 0,01-10% by weight of olefine may be used. Other reaction conditions may be 100-400 DEG C. with a space velocity of 0,1-50 mols of aldehyde per litre of solid per hour using stationary, moving or fluidised beds of solid. Unreacted starting materials may be recycled. |
| priorityDate | 1958-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 63.