| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7503f2fa81a73988d9219717e7c7aee1 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31507
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31504
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2211-1011
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2211-1007
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2211-1029
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S428-913
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2211-1088 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C1-73
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K9-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-94 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C1-73
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K9-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-94 |
| filingDate |
2011-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e391ede08c851def1bc51494a8562e03 |
| publicationDate |
2013-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-2652551-A1 |
| titleOfInvention |
Photochromic compounds, compositions and articles |
| abstract |
The present invention provides a compound represented by the Formula (I): Wherein substituents R 16 , R 17 and R 17' are each independently selected from an electron withdrawing group having a Hammett o p value of from 0.05 to 0.85, provided that one of R 16 and R 17 is hydrogen. |
| priorityDate |
2010-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |