| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_af99df08b153738cd418446a75d09bfc |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S507-936
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S516-03 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-22 |
| filingDate |
1982-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1984-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_42d7bbd881a8e4568182d2cbb6ba208a |
| publicationDate |
1984-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4469608-A |
| titleOfInvention |
Surfactant composition containing alkylated biphenylyl phenyl ether sulfonates |
| abstract |
The title compounds are of the formula <IMAGE> (I) wherein R is an alkyl radical of at least 6 carbon atoms and each R can be the same or different; M(+) is hydrogen, alkali metal ion, alkaline earth metal ion or ammonium ion radical and each M(+) can be the same or different; a, b and c are individually integers of 0 or 1 with the proviso that the SIGMA (a+b+c) is equal to 2 or 3; and x, y and z are individually integers of 0-2 with the proviso that SIGMA (x+y+z)>/=1. These compounds demonstrate good tolerance to multivalent cations, such as the cations of calcium and magnesium, good resistance to hydrolysis and are useful surfactants in enhanced oil recovery processes. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4699214-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4584109-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009298290-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8911643-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5167281-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113930229-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113930229-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4898685-A |
| priorityDate |
1978-05-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |