http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2445428-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_918f4149e3c401e1633c5edbb800a25e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-3873 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-38 |
| filingDate | 2002-05-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_32bb803a98a4ba72fc95288b12688642 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_53affc517b9932d013caab2c8b380e7e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0514180fdc70987593fa19e02359c97e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_46072a9e0d7d2ed5adaaadde8e35fa8c |
| publicationDate | 2002-11-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-2445428-A1 |
| titleOfInvention | Process for the preparation of 4-amino-1-hydroxybutylidene-1, 1-biphosphonic acid |
| abstract | This invention is related with the preparation of 4-amino-1-hydroxybutylidene-1, 1-biphosphonic acid or salts thereof. The reaction of 4-aminobutyric acid with phosphorous acid and phosphorus trichloride in the presence of aralkyl or alkyl ethoxylates or triglycerides or plant or animal oils or their derivatives; and recovering of 4-amino-1-hydroxybutylidene-1,1-biphosphonic acid or salts thereof are described. The main feature of the invention is in the use of the above-defined non-ionic emulsifying agents in the phosphonylation reaction. |
| priorityDate | 2001-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.