| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c72d118f5664072de841f9c5c34b9d99 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-6518
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-650952
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-2458 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6509
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6518 |
| filingDate |
2001-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6482ab1baa434d19cefc7bbea755efec
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c3238d4ad2fefc54bf8a4dfdf377f0b0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2c6471700891e9a7d4330224cb3bbfa8 |
| publicationDate |
2002-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2002013488-A1 |
| titleOfInvention |
High purity sterically hindered diaryl chlorophosphates and method for their preparation |
| abstract |
High purity sterically hindered diaryl chlorophosphates, having a purity of at least 98% by weight and a proportion of the corresponding aryl dichlorophosphate less than 1.5% by weight, are prepared by a method including the steps of gradually introducing POCl 3 into a mixture of a sterically hindered hydroxyaromatic compound such as 2,6-xylenol and a catalyst such as magnesium chloride, and gradually increasing the temperature of the reaction mixture to a final level in the range of about 135-150° C. The products are capable of reaction with amines such as piperazine to produce sterically hindered phosphoramidates. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113402715-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106995535-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110183681-A |
| priorityDate |
1999-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |