http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5443945-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C7-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-305 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-76 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04 |
| filingDate | 1991-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1995-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2aa820ad1e9b1fce93a55db76c85e26e |
| publicationDate | 1995-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-5443945-A |
| titleOfInvention | Activated propenes as colour couplers |
| abstract | PCT No. PCT/EP91/02162 Sec. 371 Date May 19, 1993 Sec. 102(e) Date May 19, 1993 PCT Filed Nov. 13, 1991 PCT Pub. No. WO92/09010 PCT Pub. Date May 29, 1992.The invention provides novel photographic compositions comprising a propene isomer of the formula <IMAGE> (I) wherein A B or E, each individually represent hydrogen, or an electron withdrawing group, selected for example from -CN, -NO2, -SO2R, -SO2NH-, -CO2R, -COR, -CONHR, -CONHAr, -CF3 halogen, amino, aryl, aralkyl, alkyl, cycloalkyl, alkyl (carbonyl)oxy, aryl (carbonyl)oxy, carboxy, alkoxycarbonyl, aryloxycarbonyl, carbamomyl, acyl, alkylaminocarbonyl, arylaminocarbonyl, alkoxycarbonylamino, acylamino, ureido, alkylsulphonylamino, arylsulphonylamino, sulphamoylamino, alkylsulphonyl, arylsulphonyl, sulphamoyl, imido, alkylthio, arylthio and heterocycles; the invention also provides a propene isomer of the formula I wherein D represents a group of the formula Ar-L-wherein Ar is a phenyl group optionally substituted with one or more substituents, and -L- is a linking group incorporating a lone pair of electrons; and A, B, E and X are defined as R is above defined. The activated propenes of the above formulae are novel colour couplers which react with oxidised developer under alkaline conditions to give magenta dyes. These dyes have no significant absorption in the blue region of the visible spectrum. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6097406-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6109746-A |
| priorityDate | 1990-11-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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