Inventor · disambiguated record
Barry Van Gemert
Also filed as: GEMERT BARRY V · GEMERT BARRY VAN · VAN GEMERT BARRY
13 granted patents·3 pending applications·1,746 citations·filing 1985–2019
95Inventor score
Files withTRANSITIONS OPTICAL INC6PPG IND OHIO INC4PPG INDUSTRIES INC3KIM BEON-KYU1SUNFLY BRANDS INC1
Top patents by PatentIndex Score
16 records- 0198US6555028B2Polymeric matrix compatibilized naphthopyransTRANSITIONS OPTICAL INC·Filed 2001·Granted Apr 29, 2003·265 cites·20 claims
- 0298US6113814APolymerizable polyalkoxylated naphthopyransTRANSITIONS OPTICAL INC·Filed 1999·Granted Sep 5, 2000·379 cites·21 claims
- 0397US6296785B1Indeno-fused photochromic naphthopyransPPG IND OHIO INC·Filed 2000·Granted Oct 2, 2001·349 cites·23 claims
- 0497US5961892APolyalkoxylated naphthopyransPPG IND OHIO INC·Filed 1998·Granted Oct 5, 1999·108 cites·19 claims
- 0597US5464567APhotochromic tetraphenyl naphthodipyransTRANSITIONS OPTICAL INC·Filed 1994·Granted Nov 7, 1995·94 cites·12 claims
- 0694US5066818APhotochromic naphthopyran compoundsPPG INDUSTRIES INC·Filed 1990·Granted Nov 19, 1991·309 cites·15 claims
- 0793US5573712ASubstituted naphthopyransTRANSITIONS OPTICAL INC·Filed 1995·Granted Nov 12, 1996·70 cites·26 claims
- 0892US7465415B2Photochromic materials derived from ring-opening monomers and photochromic initiatorsPPG IND OHIO INC·Filed 2004·Granted Dec 16, 2008·31 cites·21 claims
- 0989US7368072B2Photochromic contact lenses and methods of manufacturingPPG IND OHIO INC·Filed 2002·Granted May 6, 2008·29 cites·13 claims
- 1089US5656206ASubstituted naphthopyransTRANSITIONS OPTICAL INC·Filed 1995·Granted Aug 12, 1997·52 cites·25 claims
- 1188US7166357B2Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparationTRANSITIONS OPTICAL INC·Filed 2003·Granted Jan 23, 2007·52 cites·74 claims
- 1267US4696695ASulfamoyl urea derivativesPPG INDUSTRIES INC·Filed 1986·Granted Sep 29, 1987·7 cites·4 claims
- 1349US2006228557A1Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameKIM BEON-KYU·Filed 2005·Application pending·0 cites
- 1447US2021259940A1Ultraviolet Indicators, Formulations, and Suncare Kits Comprising the SameSUNFLY BRANDS INC·Filed 2019·Application pending·0 cites
- 1542US2004186241A1Photochromic ocular devicesFiled 2003·Application pending·0 cites
- 1640US4602939ASulfamoyl urea derivativesPPG INDUSTRIES INC·Filed 1985·Granted Jul 29, 1986·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →