Assignee
SANKIO CHEMICAL CO LTD
US·9 granted patents·130 citations·filing 1977–2000
Top patents by PatentIndex Score
9 records- 0196US6043370AMethod for producing arylamineSANKIO CHEMICAL CO LTD·Filed 1998·Granted Mar 28, 2000·81 cites·13 claims
- 0285US6218576B1Process for producing a diarylamineSANKIO CHEMICAL CO LTD·Filed 2000·Granted Apr 17, 2001·14 cites·14 claims
- 0384US6603007B1Bipyridyl derivativesSANKIO CHEMICAL CO LTD·Filed 2000·Granted Aug 5, 2003·13 cites·7 claims
- 0471US6509469B1Process for the production of pyridine derivativesSANKIO CHEMICAL CO LTD·Filed 2000·Granted Jan 21, 2003·7 cites·17 claims
- 0568US6437203B1Process for producing iodinated aromatic compoundsSANKIO CHEMICAL CO LTD·Filed 2000·Granted Aug 20, 2002·4 cites·20 claims
- 0638US4122089AAminothiofluoran compounds, process for the production thereof, and recording elements containing the sameSANKIO CHEMICAL CO LTD·Filed 1977·Granted Oct 24, 1978·9 cites·19 claims
- 0735US6504032B1Process for the production of 2-pyridylpyridine derivativesSANKIO CHEMICAL CO LTD·Filed 2000·Granted Jan 7, 2003·0 cites·9 claims
- 0834US5908955AProcess for producing alkyl 3-amino-4-substituted benzoatesSANKIO CHEMICAL CO LTD·Filed 1997·Granted Jun 1, 1999·2 cites·9 claims
- 0928US6489483B1Process for the production of 2-pyridylpyridine derivativesSANKIO CHEMICAL CO LTD·Filed 2000·Granted Dec 3, 2002·0 cites·9 claims
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