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filingDate 1998-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate 2001-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9d9761ea52fcc387cf6734a38183ee26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3e6e65661a9ef8c68f4678a7129dc9db
publicationDate 2001-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0968175-B1
titleOfInvention Spiro compounds and the use thereof
abstract The invention relates to spiro compounds of the formula (I) wherein at least one of the radicals K1, L, M, N?1, R1, R2, R3, R4¿ is one of the groups (a), (b), (c), (d), (e), (f), (g), (h), (i), (j) and (k). Said spiro compounds are suitable for use as charge transfer materials, especially for photovoltaic cells, and as electroluminescence materials.
isCitedBy http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7282275-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7271406-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7192657-B2
priorityDate 1997-03-20-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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