http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H04200643-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_308abd2d6e3a4650f5287becf70089bb |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C215-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J38-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C213-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J38-64 |
| filingDate | 1990-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1d1045a2ec53a6ace483e3fef411ea9f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c10e3d1a5ed8674824863b8670b2bb8b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_687790780ba5854e7b57afa87db71d58 |
| publicationDate | 1992-07-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H04200643-A |
| titleOfInvention | Method for removing metal halide catalyst |
| abstract | PURPOSE: To make separation of catalyst easy and to reduce a process cost by neutralizing the reaction product with an aq. alkali metal phosphate, dehydrating, and filtering so as to easily separate a metal halide catalyst. n CONSTITUTION: The reaction product in the production of N-cyanoethylaniline, N-substd.-N-hydroxy alkylaniline, etc., is neutralized with an aq. alkali metal phosphate such as trialkali metal phosphate, dialkali salt hydrogen phosphate, etc. Then, after neutralization, water in the reaction product is removed by distillation to obtain a neutral salt having large grain size and high filtering property. Thus, a metal halide catalyst such as ZnF 2 , ZnCl 2 , etc., can be easily and economically separated. n COPYRIGHT: (C)1992,JPO&Japio |
| priorityDate | 1990-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.