CHOPRA; Anu

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHOPRA; Anu.The latest application filed is for "photochromic article".

Company Profile

2.45.40

CHOPRA; Anu - Pittsburgh PA
- Pittsburgh PA US
Chopra; Anu - County of Allegheny PA
Chopra; Anu - Allegheny County PA
Chopra, Anu - Allegheny PA
Chopra; Anu - Monroeville PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Photochromic Article App 20210395436 - TURPEN; Joseph D. ; et al.	2021-12-23
Photochromic Indeno-Fused Naphthopyran Compounds With Reduced Temperature Dependence App 20210198226 - Walters; Robert W. ; et al.	2021-07-01
Method of forming a photochromic segmented multifocal lens Grant 10,493,486 - Lynch , et al. De	2019-12-03
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same Grant 9,465,234 - Chopra , et al. October 11, 2	2016-10-11
Method Of Forming A Photochromic Segmented Multifocal Lens App 20160279886 - Lynch; Paul J. ; et al.	2016-09-29
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20150301357 - Chopra; Anu ; et al.	2015-10-22
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same Grant 9,097,916 - Chopra , et al. August 4, 2	2015-08-04
Method of making indeno-fused naphthol materials Grant 9,073,838 - Chopra , et al. July 7, 2	2015-07-07
Photochromic compounds and compositions Grant 9,034,219 - He , et al. May 19, 2	2015-05-19
Photochromic materials that include indeno-fused naphthopyrans Grant 9,028,728 - Bancroft , et al. May 12, 2	2015-05-12
Photochromic materials demonstrating improved fade rates Grant 9,006,427 - Chopra , et al. April 14, 2	2015-04-14
Photochromic compounds and compositions Grant 08920928 -	2014-12-30
Photochromic compounds and compositions Grant 8,920,928 - He , et al. December 30, 2	2014-12-30
Method of Making Indeno-Fused Naphthol Materials App 20140364618 - Chopra; Anu ; et al.	2014-12-11
Photochromic compounds, compositions and articles Grant 8,859,097 - Chopra October 14, 2	2014-10-14
Mechanochromic coating composition Grant 8,815,771 - Chopra , et al. August 26, 2	2014-08-26
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20140225049 - Chopra; Anu ; et al.	2014-08-14
Method of making indeno-fused naphthol materials Grant 8,765,978 - Chopra , et al. July 1, 2	2014-07-01
Photochromic materials demonstrating improved fade rates Grant 8,748,634 - Chopra , et al. June 10, 2	2014-06-10
Photochromic Materials Demonstrating Improved Fade Rates App 20140155598 - Chopra; Anu ; et al.	2014-06-05
Ophthalmic devices comprising photochromic materials having extended pi-conjugated systems Grant 8,741,188 - Chopra , et al. June 3, 2	2014-06-03
Photochromic compounds having at least two photochromic moieties Grant 8,647,538 - Lu , et al. February 11, 2	2014-02-11
Methods for producing photosensitive microparticles Grant 8,563,213 - Bowles , et al. October 22, 2	2013-10-22
Methods for producing photosensitive microparticles, non-aqueous dispersions thereof and articles prepared therewith Grant 8,563,212 - Bowles , et al. October 22, 2	2013-10-22
Mechanochromic Coating Composition App 20130269445 - Chopra; Anu ; et al.	2013-10-17
Photochromic materials that include 6-amino substituted indeno-fused naphthopyrans Grant 8,535,577 - Chopra , et al. September 17, 2	2013-09-17
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20130065056 - Chopra; Anu ; et al.	2013-03-14
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same Grant 8,388,872 - Chopra , et al. March 5, 2	2013-03-05
Photochromic materials that include 6-amino substituted indeno-fused naphthopyrans Grant 8,277,699 - Chopra , et al. October 2, 2	2012-10-02
Photochromic Materials That Include 6-amino Substituted Indeno-fused Naphthopyrans App 20120214992 - Chopra; Anu ; et al.	2012-08-23
Photochromic Compounds, Compositions And Articles App 20120183810 - Chopra; Anu	2012-07-19
Photochromic Compounds And Compositions App 20120156508 - He; Meng ; et al.	2012-06-21
Method Of Making Indeno-fused Naphthol Materials App 20120157696 - Chopra; Anu ; et al.	2012-06-21
Photochromic Compounds And Compositions App 20120156521 - He; Meng ; et al.	2012-06-21
Photochromic Materials That Include Indeno-Fused Naphthopyrans App 20120145973 - Bancroft; Kevin E. ; et al.	2012-06-14
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20120145975 - Chopra; Anu ; et al.	2012-06-14
Photochromic Compounds Having At Least Two Photochromic Moieties App 20120136148 - Lu; Yunyi ; et al.	2012-05-31
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same Grant 8,158,037 - Chopra , et al. April 17, 2	2012-04-17
Methods for producing photosensitive microparticles, aqueous compositions thereof and articles prepared therewith Grant 8,153,344 - Faler , et al. April 10, 2	2012-04-10
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same Grant 8,147,725 - Chopra , et al. April 3, 2	2012-04-03
Photochromic Materials That Include 6-amino Substituted Indeno-fused Naphthopyrans App 20120053341 - Chopra; Anu ; et al.	2012-03-01
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20110049445 - Chopra; Anu ; et al.	2011-03-03
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20110042629 - Chopra; Anu ; et al.	2011-02-24
Methods For Producing Photosensitive Microparticles App 20100221661 - Bowles; Steven E. ; et al.	2010-09-02
Methods For Producing Photosensitive Microparticles, Non-aqueous Dispersions Thereof And Articles Prepared Therewith App 20100209697 - Bowles; Steven E. ; et al.	2010-08-19
Photochromic materials having electron-withdrawing substituents Grant 7,556,751 - Chopra , et al. July 7, 2	2009-07-07
Naphthols useful for preparing indeno-fused photochromic naphthopyrans Grant 7,557,208 - Walters , et al. July 7, 2	2009-07-07
Photochromic indeno-fused naphthopyrans Grant 7,527,754 - Chopra May 5, 2	2009-05-05
Naphthols useful for preparing indeno-fused photochromic naphthopyrans Grant 7,517,982 - Walters , et al. April 14, 2	2009-04-14
Ophthalmic Devices Comprising Photochromic Materials Having Extended Pi-conjugated Systems App 20090072206 - Kim; Beon-Kyu ; et al.	2009-03-19
Naphthols Useful For Preparing Indeno-fused Photochromic Naphthopyrans App 20090062533 - Walters; Robert W. ; et al.	2009-03-05
Photochromic Materials Having Extended Pi-conjugated Systems And Compositions And Articles Including The Same App 20090032782 - Kim; Beon-Kyu ; et al.	2009-02-05
Photochromic materials derived from ring-opening monomers and photochromic initiators Grant 7,465,415 - Wang , et al. December 16, 2	2008-12-16
Photochromic Materials Demonstrating Improved Fade Rates App 20080103301 - Chopra; Anu ; et al.	2008-05-01
Photochromic Materials Comprising Haloalkyl Groups App 20070278461 - Petrovskaia; Olga G. ; et al.	2007-12-06
Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles Grant 7,262,295 - Walters , et al. August 28, 2	2007-08-28
Naphthols useful for preparing indeno-fused photochromic naphthopyrans App 20070155964 - Walters; Robert W. ; et al.	2007-07-05
Photochromic 2H-naphthopyrans App 20070145337 - Chopra; Anu	2007-06-28
Photochromic indeno-fused naphthopyrans App 20070138448 - Chopra; Anu	2007-06-21
Photochromic materials having electron-withdrawing substituents App 20070138449 - Chopra; Anu ; et al.	2007-06-21
Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparation Grant 7,166,357 - Kumar , et al. January 23, 2	2007-01-23
Ophthalmic devices comprising photochromic materials having extended PI-conjugated systems App 20060226402 - Kim; Beon-Kyu ; et al.	2006-10-12
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same App 20060228557 - Kim; Beon-Kyu ; et al.	2006-10-12
Photochromic materials App 20060022176 - Wang; Feng ; et al.	2006-02-02
Methods for producing photosensitive microparticles, aqueous compositions thereof and articles prepared therewith App 20060014099 - Faler; Dennis L. ; et al.	2006-01-19
Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles App 20040185255 - Walters, Robert W. ; et al.	2004-09-23
Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparation App 20040185268 - Kumar, Anil ; et al.	2004-09-23
Photochromic naphthopyrans Grant 6,348,604 - Nelson , et al. February 19, 2	2002-02-19
Indeno-fused photochromic naphthopyrans Grant 6,296,785 - Nelson , et al. October 2, 2	2001-10-02
Polymerizable polyalkoxylated naphthopyrans Grant 6,113,814 - Gemert , et al. September 5, 2	2000-09-05

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