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Anu Chopra
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Photochromic indeno-fused naphthopyran compounds with reduced tempe...
Patent number
11,518,751
Issue date
Dec 6, 2022
Transitions Optical, Ltd.
Robert W. Walters
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of forming a photochromic segmented multifocal lens
Patent number
10,493,486
Issue date
Dec 3, 2019
Transitions Optical, Inc.
Paul J. Lynch
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Photochromic materials having extended pi-conjugated systems and co...
Patent number
9,465,234
Issue date
Oct 11, 2016
Johnson & Johnson Vision Care, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials having extended pi-conjugated systems and co...
Patent number
9,097,916
Issue date
Aug 4, 2015
Johnson & Johnson Vision Care, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of making indeno-fused naphthol materials
Patent number
9,073,838
Issue date
Jul 7, 2015
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic compounds and compositions
Patent number
9,034,219
Issue date
May 19, 2015
Transitions Optical, Inc.
Meng He
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials that include indeno-fused naphthopyrans
Patent number
9,028,728
Issue date
May 12, 2015
Transitions Optical, Inc.
Kevin E. Bancroft
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials demonstrating improved fade rates
Patent number
9,006,427
Issue date
Apr 14, 2015
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic compounds and compositions
Patent number
8,920,928
Issue date
Dec 30, 2014
Transitions Optical, Inc.
Meng He
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic compounds, compositions and articles
Patent number
8,859,097
Issue date
Oct 14, 2014
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mechanochromic coating composition
Patent number
8,815,771
Issue date
Aug 26, 2014
PPG Industries Ohio, Inc.
Anu Chopra
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of making indeno-fused naphthol materials
Patent number
8,765,978
Issue date
Jul 1, 2014
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials demonstrating improved fade rates
Patent number
8,748,634
Issue date
Jun 10, 2014
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ophthalmic devices comprising photochromic materials having extende...
Patent number
8,741,188
Issue date
Jun 3, 2014
Johnson & Johnson Vision Care, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic compounds having at least two photochromic moieties
Patent number
8,647,538
Issue date
Feb 11, 2014
Transitions Optical, Inc.
Yunyi Lu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for producing photosensitive microparticles
Patent number
8,563,213
Issue date
Oct 22, 2013
Transitions Optical, Inc.
Steven E. Bowles
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Methods for producing photosensitive microparticles, non-aqueous di...
Patent number
8,563,212
Issue date
Oct 22, 2013
Transitions Optical, Inc.
Steven E. Bowles
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photochromic materials that include 6-amino substituted indeno-fuse...
Patent number
8,535,577
Issue date
Sep 17, 2013
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials having extended pi-conjugated systems and co...
Patent number
8,388,872
Issue date
Mar 5, 2013
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials that include 6-amino substituted indeno-fuse...
Patent number
8,277,699
Issue date
Oct 2, 2012
Transistions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials having extended pi-conjugated systems and co...
Patent number
8,158,037
Issue date
Apr 17, 2012
Johnson & Johnson Vision Care, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for producing photosensitive microparticles, aqueous compos...
Patent number
8,153,344
Issue date
Apr 10, 2012
PPG Industries Ohio, Inc.
Dennis L. Faler
G11 - INFORMATION STORAGE
Information
Patent Grant
Photochromic materials having extended pi-conjugated systems and co...
Patent number
8,147,725
Issue date
Apr 3, 2012
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthols useful for preparing indeno-fused photochromic naphthopyrans
Patent number
7,557,208
Issue date
Jul 7, 2009
Transitions Optical, Inc.
Robert W. Walters
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials having electron-withdrawing substituents
Patent number
7,556,751
Issue date
Jul 7, 2009
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic indeno-fused naphthopyrans
Patent number
7,527,754
Issue date
May 5, 2009
Transitions Optical, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthols useful for preparing indeno-fused photochromic naphthopyrans
Patent number
7,517,982
Issue date
Apr 14, 2009
Transitions Optical, Inc.
Robert W. Walters
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic materials derived from ring-opening monomers and photo...
Patent number
7,465,415
Issue date
Dec 16, 2008
PPG Industries Ohio, Inc.
Feng Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Indeno-fused photochromic naphthopyrans, naphthols and photochromic...
Patent number
7,262,295
Issue date
Aug 28, 2007
Transitions Optical, Inc.
Robert W. Walters
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic articles that activate behind ultraviolet radiation bl...
Patent number
7,166,357
Issue date
Jan 23, 2007
Transitions Optical, Inc.
Anil Kumar
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Photochromic Article
Publication number
20210395436
Publication date
Dec 23, 2021
Transitions Optical, Ltd.
Joseph D. TURPEN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Photochromic Indeno-Fused Naphthopyran Compounds With Reduced Tempe...
Publication number
20210198226
Publication date
Jul 1, 2021
Transitions Optical, Ltd.
Robert W. Walters
G02 - OPTICS
Information
Patent Application
METHOD OF FORMING A PHOTOCHROMIC SEGMENTED MULTIFOCAL LENS
Publication number
20160279886
Publication date
Sep 29, 2016
TRANSITIONS OPTICAL, INC.
Paul J. Lynch
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20150301357
Publication date
Oct 22, 2015
Johnson & Johnson Vision Care, Inc.
Anu Chopra
G02 - OPTICS
Information
Patent Application
Method of Making Indeno-Fused Naphthol Materials
Publication number
20140364618
Publication date
Dec 11, 2014
Transitions Opticals, Inc.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20140225049
Publication date
Aug 14, 2014
Johnson & Johnson Vision Care, Inc.
Anu Chopra
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PHOTOCHROMIC MATERIALS DEMONSTRATING IMPROVED FADE RATES
Publication number
20140155598
Publication date
Jun 5, 2014
TRANSITIONS OPTICAL, INC.
Anu Chopra
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MECHANOCHROMIC COATING COMPOSITION
Publication number
20130269445
Publication date
Oct 17, 2013
PPG INDUSTRIES OHIO, INC.
Anu Chopra
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20130065056
Publication date
Mar 14, 2013
Anu Chopra
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PHOTOCHROMIC MATERIALS THAT INCLUDE 6-AMINO SUBSTITUTED INDENO-FUSE...
Publication number
20120214992
Publication date
Aug 23, 2012
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC COMPOUNDS, COMPOSITIONS AND ARTICLES
Publication number
20120183810
Publication date
Jul 19, 2012
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC COMPOUNDS AND COMPOSITIONS
Publication number
20120156521
Publication date
Jun 21, 2012
TRANSITIONS OPTICAL, INC.
Meng He
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF MAKING INDENO-FUSED NAPHTHOL MATERIALS
Publication number
20120157696
Publication date
Jun 21, 2012
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC COMPOUNDS AND COMPOSITIONS
Publication number
20120156508
Publication date
Jun 21, 2012
TRANSITIONS OPTICAL, INC.
Meng He
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Photochromic Materials That Include Indeno-Fused Naphthopyrans
Publication number
20120145973
Publication date
Jun 14, 2012
TRANSITIONS OPTICAL INC.
Kevin E. Bancroft
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20120145975
Publication date
Jun 14, 2012
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Photochromic Compounds Having At Least Two Photochromic Moieties
Publication number
20120136148
Publication date
May 31, 2012
TRANSITIONS OPTICAL, INC.
Yunyi Lu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS THAT INCLUDE 6-AMINO SUBSTITUTED INDENO-FUSE...
Publication number
20120053341
Publication date
Mar 1, 2012
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20110049445
Publication date
Mar 3, 2011
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20110042629
Publication date
Feb 24, 2011
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHODS FOR PRODUCING PHOTOSENSITIVE MICROPARTICLES
Publication number
20100221661
Publication date
Sep 2, 2010
TRANSITIONS OPTICAL, INC.
Steven E. Bowles
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS FOR PRODUCING PHOTOSENSITIVE MICROPARTICLES, NON-AQUEOUS DI...
Publication number
20100209697
Publication date
Aug 19, 2010
TRANSITIONS OPTICAL, INC.
Steven E. Bowles
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPHTHALMIC DEVICES COMPRISING PHOTOCHROMIC MATERIALS HAVING EXTENDE...
Publication number
20090072206
Publication date
Mar 19, 2009
Beon-Kyu Kim
G02 - OPTICS
Information
Patent Application
NAPHTHOLS USEFUL FOR PREPARING INDENO-FUSED PHOTOCHROMIC NAPHTHOPYRANS
Publication number
20090062533
Publication date
Mar 5, 2009
TRANSITIONS OPTICAL, INC.
Robert W. Walters
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...
Publication number
20090032782
Publication date
Feb 5, 2009
TRANSITIONS OPTICAL, INC.
Beon-Kyu Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS DEMONSTRATING IMPROVED FADE RATES
Publication number
20080103301
Publication date
May 1, 2008
TRANSITIONS OPTICAL, INC.
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCHROMIC MATERIALS COMPRISING HALOALKYL GROUPS
Publication number
20070278461
Publication date
Dec 6, 2007
TRANSITIONS OPTICAL, INC.
Olga G. Petrovskaia
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Naphthols useful for preparing indeno-fused photochromic naphthopyrans
Publication number
20070155964
Publication date
Jul 5, 2007
Robert W. Walters
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Photochromic 2H-naphthopyrans
Publication number
20070145337
Publication date
Jun 28, 2007
Anu Chopra
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Photochromic indeno-fused naphthopyrans
Publication number
20070138448
Publication date
Jun 21, 2007
Anu Chopra
C07 - ORGANIC CHEMISTRY