| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8b9b07baa39efdd68eb1506a375245f8 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2201-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-406
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-50 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B28-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-122
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-46 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B28-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-12 |
| filingDate |
1993-05-18^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_250720feb5b38a946c581395fa2b02bd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e4065fa386e1482d869e49ea90266499 |
| publicationDate |
1993-12-08^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0572857-A2 |
| titleOfInvention |
Improved additive composition for oil well cementing formulations |
| abstract |
An oil and gas well cementing composition has styrene/butadiene latex and a combination of nonionic surfactants for improved physical properties, especially fluid loss. The composition has no anionic surfactants. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104804716-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5795924-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5820670-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0816302-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0816302-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104804716-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0816301-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0816301-A2 |
| priorityDate |
1992-06-01^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |