Assignee
HICKSON & WELCH LTD
5 granted patents·30 citations·filing 1973–1978
Top patents by PatentIndex Score
5 records- 0170US4093645AStyryl-tetrahydronaphthyl derivativesHICKSON & WELCH LTD·Filed 1975·Granted Jun 6, 1978·9 cites·2 claims
- 0262US4216105ACompositions for the optical whitening of organic materials and use thereofHICKSON & WELCH LTD·Filed 1978·Granted Aug 5, 1980·5 cites·11 claims
- 0361US4216111AStable dispersions of fluorescent whitening agents of the bis-triazinylaminostilbene group in free acid form and method of preparing sameHICKSON & WELCH LTD·Filed 1978·Granted Aug 5, 1980·10 cites·13 claims
- 0459US3940437AStyryl-diphenyl derivativesHICKSON & WELCH LTD·Filed 1973·Granted Feb 24, 1976·5 cites·3 claims
- 0534US3933842A3-Oxadiazolyl coumarinsHICKSON & WELCH LTD·Filed 1973·Granted Jan 20, 1976·1 cites·8 claims
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