http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-667066-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b30d807376962224a66aa244d678104a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A01N57-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-1658 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-165 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A01N57-12 |
| filingDate | 1948-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1952-02-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-667066-A |
| titleOfInvention | Improvements in or relating to an insecticidal product and to a process of preparing the product |
| abstract | A process for making a tetra-alkyl pyrothiophosphate comprises condensing a dialkyl phosphoryl halide and a dialkyl alkali metal thiophosphate. A solvent, e.g. benzene, toluene, xylene, petroleum hydrocarbons or monochlorobenzene is preferably employed as the reaction medium. For use as insecticides the products preferably have alkyl radicals containing two or three carbon atoms. Tetralauryl monothiopyrophosphate may be employed as an oil additive. The alkyl groups in the dialkyl phosphoryl chloride may be the same as or different from those in the dialkyl sodium thiophosphate. Examples describe the preparation of the corresponding tetraalkyl monothiopyrophosphate from a dialkyl phosphoryl chloride and a dialkyl sodium thiophosphate in which the alkyl groups are the same and are (1) ethyl, (3) isopropyl, (4) hexyl, (5) lauryl, (6) octadecyl. In example (2) diethyl sodium thiophosphate and di-(n-propyl) phosphoryl chloride are reacted. The preparation of insecticidal compositions is described (see Group VI). |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2370055-A1 |
| priorityDate | 1947-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 35.