http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6153369-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-157 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-161 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C7-384 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-159 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-158 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-156 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C7-30576 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D403-12 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-384 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B29-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-305 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D403-12 |
| filingDate | 1998-12-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2000-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5be0641dbd1926f67038166a84687762 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_436a7edc8ac03d852bad8e6eb1e0989f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da3a5a2bba138a47b10a23cd56fc28d4 |
| publicationDate | 2000-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-6153369-A |
| titleOfInvention | Photographic element containing pyrazolone pug releasing coupler and imaging process employing same |
| abstract | Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a pyrazol-5-one coupler bearing a 4-aryloxy coupling-off group containing a group capable of releasing a photographically useful group (PUG) wherein: (1) the pyrazol-5-one ring contains a 1-aryl substituent which in turn contains, in a position ortho to the bond linking it to the pyrazolone ring, a secondary carbonamido group or a secondary sulfonamido group; (2) the pyrazol-5-one ring contains either (a) a 3-aryl substituent which in turn contains substituents for which the sum of the Hammett's sigma constant values is -0.3 or higher or (b) a 3-alkyl substituent; and (3) the 4-aryloxy coupling-off group: (a) contains ring substituents selected so that the sum of the Hammett's sigma constant values for all substituents on the phenoxy ring is at least 0.4 but does not contain a nitro substituent in the ortho position, and: (b) contains in at least one position ortho or para to the oxygen atom bonding the aryloxy group to the pyrazolone ring a substituent comprising a tetrahedral carbon atom bonded to a PUG or to another timing group which timing group is in turn bonded to a PUG directly or through a further timing group; and provided that substituents may join to form one or more additional rings. |
| priorityDate | 1998-12-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 633.