http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20010051388-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5ddadb999be4f451dfc44d8e359d8f6a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-51 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-526 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-5393 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K15-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-51 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-145 |
| filingDate | 2000-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2421b652137972d4233a08c3156ef69a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b47866e37780dbfeb16a12ec63ba281b |
| publicationDate | 2001-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20010051388-A |
| titleOfInvention | Process for the preparation of low chloride stabilisers |
| abstract | The present invention reacts biphenyl with phosphorus trichloride and aluminum trichloride under Friedel-Craft conditions, the reaction mixture is reacted with 2,4-di-tert-butylbutyl-phenol in the presence of tertiary amines or aromatic amines and solvents. Separating, the process comprising treating the solvent layer with water, a base and a desiccant, and separating the precipitate from a solution containing a stabilizer mixture to evaporate the solvent, thereby providing a small amount of chlorine comprising the following materials: It relates to a process for preparing a stabilizer mixture containing:n n n a) 50 to 80% by weight of tetrakis (2,4-di-tert-butylphenyl) biphenylene diphosphonite and isomers thereof,n n n b) 5 to 25 weight percent bis (2,4-di-tert-butylphenyl) biphenylene monophosphonite and isomers thereof, andn n n c) 5 to 25 weight percent tris (2,4-di-tert-butylphenyl) phosphite. |
| priorityDate | 1999-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 89.