http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-809908-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_043c6a4e90e797f67a0e5cb252d30c56 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C6-126 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C5-2732 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C15-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C15-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C6-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C5-27 |
| filingDate | 1955-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1959-03-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-809908-A |
| titleOfInvention | A continuous process for preparing meta di-isopropylbenzene |
| abstract | Meta-di-isopropylbenzene is prepared in a continuous process by alkylating benzene or cumene or a mixture thereof, isomerizing the fraction containing ortho- and meta-diisopropyl benzene, and separating by distillation a fraction consisting of ortho- and meta-diisopropylbenzenes from the isomerization product. A fraction containing more than 2 isopropyl groups may be removed from the alkylation product and subjected to transalkylation with benzene or cumene or mixtures thereof; the ortho- and meta-diisopropylbenzene fraction from the product may be combined with the similar fraction from the isomerizer. The mixture of ortho- and metadiisopropylbenzenes may also be transalkylated, either alone or together with the higher alkylated products. Alkylation agents specified are isopropyl halides such as isopropyl chloride, isopropyl alcohol, propane or a propene-propane mixture containing 60 per cent propene. Alkylation catalysts referred to are Friedel-Crafts catalysts, e.g. AlCl3, concentrated H2SO4, HF or a cracking catalyst such as a silicate which may consist mainly of SiO2 and also contain oxides of Al, Zr, Mg, Ca, Na, K, H, C and S in chemically bound form; or mixtures of Al2O3 and SiO2. Specifications 737,439, 749,186, 749,187, 770,224 and 772,635 are referred to. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2398572-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0012570-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0226671-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0012570-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7102043-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0012613-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7411101-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103570488-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103570488-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2398572-A |
| priorityDate | 1954-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 47.