Assignee
NIPPON CHEMICAL WORKS
JP·4 granted patents·39 citations·filing 1975–2000
Top patents by PatentIndex Score
4 records- 0187US5125930APolymeric cationic dyes including a quaternized pyridinium groupNIPPON CHEMICAL WORKS·Filed 1990·Granted Jun 30, 1992·26 cites·8 claims
- 0237US5518656AFluorescent detecting agentsNIPPON CHEMICAL WORKS·Filed 1995·Granted May 21, 1996·12 cites·7 claims
- 0337US3972893AMethod for preparing cobalt phthalocyanine complex saltsNIPPON CHEMICAL WORKS·Filed 1975·Granted Aug 3, 1976·1 cites·5 claims
- 0436US6709670B1Aminoethanesulfonic acid-containing preparationsNIPPON CHEMICAL WORKS·Filed 2000·Granted Mar 23, 2004·0 cites·19 claims
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