| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_af99df08b153738cd418446a75d09bfc |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-65583
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-003 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6558
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-00 |
| filingDate |
1984-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1acb37652f17a347cac6c2b037a4e5df
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_882f5161908c488fdbc49be3614676b3 |
| publicationDate |
1986-02-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0172282-A1 |
| titleOfInvention |
The use of polymeric alkylenephosphoric acid piperazine derivatives as set retarding compounds for use in cement slurries |
| abstract |
Polymers which are the reaction product of N-aminoethylpiperazine and a dihalo or epoxy-halo compound are subsequently phosphonomethylated to provide products which are useful as cement set retarders. |
| priorityDate |
1984-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |