http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0650972-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-3895 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6571 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G79-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-38 |
| filingDate | 1994-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4886d2da8d86957a3fc976ab21f453a4 |
| publicationDate | 1995-05-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0650972-A1 |
| titleOfInvention | Process for the preparation of alkanephosphonic acid anhydrides |
| abstract | Process for the preparation of phosphonic anhydrides of the general formula (I) wherein R (Cā-Cāā) alkyl, optionally by alkyl groups, alkoxy groups, fluorine, chlorine or bromine atoms, nitro groups, cyano groups, trifluoromethyl groups, phenyl groups, the phenyl radical in turn alkyl groups, alkoxy groups, fluorine, chlorine, bromine atoms, nitro groups, cyano groups or can carry alkoxycarbonyl groups, can be substituted, and n ā§ 3 means by using a phosphonic acid of the general formula (II) wherein R has the meaning given, with diketene, if appropriate at elevated temperature. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0710664-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102008003677-A1 |
| priorityDate | 1993-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 48.