Inventor · disambiguated record
Clara E. Nelson
Also filed as: NELSON CLARA E
5 granted patents·194 citations·filing 2003–2008
83Inventor score
Top patents by PatentIndex Score
5 records- 0195US7557208B2Naphthols useful for preparing indeno-fused photochromic naphthopyransTRANSITIONS OPTICAL INC·Filed 2008·Granted Jul 7, 2009·21 cites·3 claims
- 0295US7262295B2Indeno-fused photochromic naphthopyrans, naphthols and photochromic articlesTRANSITIONS OPTICAL INC·Filed 2003·Granted Aug 28, 2007·55 cites·32 claims
- 0391US7320826B2Photochromic articles with reduced temperature dependency and methods for preparationPPG IND OHIO INC·Filed 2003·Granted Jan 22, 2008·65 cites·56 claims
- 0488US7166357B2Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparationTRANSITIONS OPTICAL INC·Filed 2003·Granted Jan 23, 2007·52 cites·74 claims
- 0572US7517982B2Naphthols useful for preparing indeno-fused photochromic naphthopyransTRANSITIONS OPTICAL INC·Filed 2007·Granted Apr 14, 2009·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →