Assignee
HELLING GUENTER
DE·2 granted patents·11 citations·filing 1987–2008
Top patents by PatentIndex Score
2 records- 0185US8476369B2Metal salt nanogel-containing polymersHELLING GUENTER·Filed 2008·Granted Jul 2, 2013·9 cites·26 claims
- 0235US4865960APolymeric magneta coupler and a colour photographic recording material containing this polymeric magenta couplerHELLING GUENTER·Filed 1987·Granted Sep 12, 1989·2 cites·3 claims
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