Inventor · disambiguated record
Anu Chopra
Also filed as: CHOPRA ANU
34 granted patents·6 pending applications·1,609 citations·filing 1999–2019
98Inventor score
Top patents by PatentIndex Score
40 records- 0198US9465234B2Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameJOHNSON & JOHNSON VISION CARE·Filed 2015·Granted Oct 11, 2016·56 cites·26 claims
- 0298US6113814APolymerizable polyalkoxylated naphthopyransTRANSITIONS OPTICAL INC·Filed 1999·Granted Sep 5, 2000·379 cites·21 claims
- 0397US9097916B2Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameJOHNSON & JOHNSON VISION CARE·Filed 2014·Granted Aug 4, 2015·56 cites·33 claims
- 0497US8741188B2Ophthalmic devices comprising photochromic materials having extended pi-conjugated systemsCHOPRA ANU·Filed 2012·Granted Jun 3, 2014·60 cites·12 claims
- 0597US7527754B2Photochromic indeno-fused naphthopyransTRANSITIONS OPTICAL INC·Filed 2005·Granted May 5, 2009·33 cites·14 claims
- 0697US6348604B1Photochromic naphthopyransPPG IND OHIO INC·Filed 2000·Granted Feb 19, 2002·240 cites·23 claims
- 0797US6296785B1Indeno-fused photochromic naphthopyransPPG IND OHIO INC·Filed 2000·Granted Oct 2, 2001·349 cites·23 claims
- 0896US8158037B2Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameCHOPRA ANU·Filed 2010·Granted Apr 17, 2012·64 cites·14 claims
- 0995US7557208B2Naphthols useful for preparing indeno-fused photochromic naphthopyransTRANSITIONS OPTICAL INC·Filed 2008·Granted Jul 7, 2009·21 cites·3 claims
- 1095US7262295B2Indeno-fused photochromic naphthopyrans, naphthols and photochromic articlesTRANSITIONS OPTICAL INC·Filed 2003·Granted Aug 28, 2007·55 cites·32 claims
- 1193US9028728B2Photochromic materials that include indeno-fused naphthopyransBANCROFT KEVIN E·Filed 2011·Granted May 12, 2015·62 cites·13 claims
- 1293US8153344B2Methods for producing photosensitive microparticles, aqueous compositions thereof and articles prepared therewithFALER DENNIS L·Filed 2004·Granted Apr 10, 2012·51 cites·78 claims
- 1392US9034219B2Photochromic compounds and compositionsHE MENG·Filed 2011·Granted May 19, 2015·10 cites·28 claims
- 1492US8563213B2Methods for producing photosensitive microparticlesBOWLES STEVEN E·Filed 2010·Granted Oct 22, 2013·13 cites·22 claims
- 1592US8147725B2Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameCHOPRA ANU·Filed 2010·Granted Apr 3, 2012·10 cites·11 claims
- 1692US7465415B2Photochromic materials derived from ring-opening monomers and photochromic initiatorsPPG IND OHIO INC·Filed 2004·Granted Dec 16, 2008·31 cites·21 claims
- 1791US8388872B2Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameCHOPRA ANU·Filed 2012·Granted Mar 5, 2013·9 cites·11 claims
- 1891US7556751B2Photochromic materials having electron-withdrawing substituentsTRANSITIONS OPTICAL INC·Filed 2005·Granted Jul 7, 2009·24 cites·25 claims
- 1990US8815771B2Mechanochromic coating compositionCHOPRA ANU·Filed 2012·Granted Aug 26, 2014·7 cites·16 claims
- 2089US8748634B2Photochromic materials demonstrating improved fade ratesCHOPRA ANU·Filed 2007·Granted Jun 10, 2014·7 cites·5 claims
- 2188US7166357B2Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparationTRANSITIONS OPTICAL INC·Filed 2003·Granted Jan 23, 2007·52 cites·74 claims
- 2282US8563212B2Methods for producing photosensitive microparticles, non-aqueous dispersions thereof and articles prepared therewithBOWLES STEVEN E·Filed 2010·Granted Oct 22, 2013·4 cites·14 claims
- 2378US8277699B2Photochromic materials that include 6-amino substituted indeno-fused naphthopyransCHOPRA ANU·Filed 2011·Granted Oct 2, 2012·2 cites·17 claims
- 2477US8647538B2Photochromic compounds having at least two photochromic moietiesLU YUNYI·Filed 2011·Granted Feb 11, 2014·4 cites·14 claims
- 2576US8765978B2Method of making indeno-fused naphthol materialsCHOPRA ANU·Filed 2011·Granted Jul 1, 2014·1 cites·9 claims
- 2676US8535577B2Photochromic materials that include 6-amino substituted indeno-fused naphthopyransCHOPRA ANU·Filed 2011·Granted Sep 17, 2013·3 cites·9 claims
- 2772US10493486B2Method of forming a photochromic segmented multifocal lensTRANSITIONS OPTICAL INC·Filed 2014·Granted Dec 3, 2019·1 cites·26 claims
- 2872US7517982B2Naphthols useful for preparing indeno-fused photochromic naphthopyransTRANSITIONS OPTICAL INC·Filed 2007·Granted Apr 14, 2009·1 cites·3 claims
- 2968US8859097B2Photochromic compounds, compositions and articlesCHOPRA ANU·Filed 2011·Granted Oct 14, 2014·2 cites·26 claims
- 3064US9073838B2Method of making indeno-fused naphthol materialsTRANSITIONS OPTICAL INC·Filed 2014·Granted Jul 7, 2015·0 cites·10 claims
- 3163US8920928B2Photochromic compounds and compositionsHE MENG·Filed 2011·Granted Dec 30, 2014·2 cites·26 claims
- 3263US2009072206A1Ophthalmic devices comprising photochromic materials having extended pi-conjugated systemsKIM BEON-KYU·Filed 2008·Application pending·0 cites
- 3359US9006427B2Photochromic materials demonstrating improved fade ratesTRANSITIONS OPTICAL INC·Filed 2014·Granted Apr 14, 2015·0 cites·2 claims
- 3456US2009032782A1Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameTRANSITIONS OPTICAL INC·Filed 2008·Application pending·0 cites
- 3555US2007278461A1Photochromic materials comprising haloalkyl groupsTRANSITIONS OPTICAL INC·Filed 2007·Application pending·0 cites
- 3649US2006228557A1Photochromic materials having extended pi-conjugated systems and compositions and articles including the sameKIM BEON-KYU·Filed 2005·Application pending·0 cites
- 3748US2006226402A1Ophthalmic devices comprising photochromic materials having extended PI-conjugated systemsKIM BEON-KYU·Filed 2005·Application pending·0 cites
- 3847US11518751B2Photochromic indeno-fused naphthopyran compounds with reduced temperature dependenceTRANSITIONS OPTICAL LTD·Filed 2018·Granted Dec 6, 2022·0 cites·15 claims
- 3941US12304991B2Photochromic articleTRANSITIONS OPTICAL LTD·Filed 2019·Granted May 20, 2025·0 cites·13 claims
- 4041US2007145337A1Photochromic 2H-naphthopyransCHOPRA ANU·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →