David B. Knowles

Person

Wadsworth, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for precision coating of ophthalmic lenses wit...
- Patent number 12,097,521
- Issue date Sep 24, 2024
- Transitions Optical, Ltd.
- Elizabeth Ann Zezinka
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Curable photochromic composition including a segmented polymer
- Patent number 11,525,027
- Issue date Dec 13, 2022
- Transitions Optical, Ltd.
- Stephen Robinson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 10,978,649
- Issue date Apr 13, 2021
- Universal Display Corporation
- David Knowles
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Curable photochromic compositions
- Patent number 10,954,397
- Issue date Mar 23, 2021
- Transitions Optical, Inc.
- Michael Frank Haley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 10,749,121
- Issue date Aug 18, 2020
- Universal Display Corporation
- David Knowles
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 10,403,831
- Issue date Sep 3, 2019
- Universal Display Corporation
- David Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 10,158,090
- Issue date Dec 18, 2018
- Universal Display Corporation
- David Knowles
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 9,893,306
- Issue date Feb 13, 2018
- Universal Display Corporation
- David Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 9,722,193
- Issue date Aug 1, 2017
- Universal Display Corporation
- David Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 9,548,462
- Issue date Jan 17, 2017
- Universal Display Corporation
- David Knowles
- C07 - ORGANIC CHEMISTRY
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
Organic electroluminescent materials and devices
- Patent number 9,281,483
- Issue date Mar 8, 2016
- Universal Display Corporation
- David Knowles
- 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
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and...
- Patent number 9,065,063
- Issue date Jun 23, 2015
- Universal Display Corporation
- David B. Knowles
- 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
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and...
- Patent number 8,889,864
- Issue date Nov 18, 2014
- Universal Display Corporation
- David B. Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and...
- Patent number 8,766,529
- Issue date Jul 1, 2014
- Universal Display Corporation
- David B. Knowles
- 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
Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (...
- Patent number 8,691,988
- Issue date Apr 8, 2014
- Universal Display Corporation
- David B. Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stable and efficient electroluminescent materials
- Patent number 8,603,645
- Issue date Dec 10, 2013
- Universal Display Corporation
- Raymond Kwong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic optical articles prepared with reversible thermochromi...
- Patent number 8,547,625
- Issue date Oct 1, 2013
- Transitions Optical, Inc.
- David B. Knowles
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Electroluminescent efficiency
- Patent number 8,449,990
- Issue date May 28, 2013
- Universal Display Corporation
- Raymond Kwong
- 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
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
Blue phosphorescent imidazophenanthridine materials
- Patent number 8,142,909
- Issue date Mar 27, 2012
- Universal Display Corporation
- Scott Beers
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and...
- Patent number 7,915,415
- Issue date Mar 29, 2011
- Universal Display Corporation
- David B. Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic optical articles prepared with reversible thermochromi...
- Patent number 7,911,676
- Issue date Mar 22, 2011
- Transitions Optical, Inc.
- David B. Knowles
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Curable Photochromic Compositions
- Publication number 20210163761
- Publication date Jun 3, 2021
- TRANSITIONS OPTICAL, INC.
- Michael F. Haley
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20200350504
- Publication date Nov 5, 2020
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Curable Photochromic Composition Including a Segmented Polymer
- Publication number 20200172653
- Publication date Jun 4, 2020
- Transitions Optical, Ltd.
- Stephen Robinson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20190341563
- Publication date Nov 7, 2019
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Apparatus and Method for Precision Coating of Ophthalmic Lenses wit...
- Publication number 20190291128
- Publication date Sep 26, 2019
- Transitions Optical, Ltd.
- Elizabeth Ann Zezinka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20190058138
- Publication date Feb 21, 2019
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Curable Photochromic Compositions
- Publication number 20180208781
- Publication date Jul 26, 2018
- TRANSITIONS OPTICAL, INC.
- Michael Frank Haley
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20180130963
- Publication date May 10, 2018
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20170331055
- Publication date Nov 16, 2017
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20170084851
- Publication date Mar 23, 2017
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20160240798
- Publication date Aug 18, 2016
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
- Publication number 20150287935
- Publication date Oct 8, 2015
- UNIVERSAL DISPLAY CORPORATION
- David KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Metal Complexes of Cyclometallated Imidazo[1,2-f]phenanthridine and...
- Publication number 20150018549
- Publication date Jan 15, 2015
- UNIVERSAL DISPLAY CORPORATION
- David B. KNOWLES
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f]PHENANTHRIDINE AND...
- Publication number 20140249307
- Publication date Sep 4, 2014
- UNIVERSAL DISPLAY CORPORATION
- David B. KNOWLES
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO (1,2-f ) PHENANTHRIDINE...
- Publication number 20130310561
- Publication date Nov 21, 2013
- UNIVERSAL DISPLAY CORPORATION
- David B. Knowles
- 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 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 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
METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f ]PHENANTHRIDINE AN...
- Publication number 20110073849
- Publication date Mar 31, 2011
- David B. KNOWLES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Stable and Efficient Electroluminescent Materials
- Publication number 20110060143
- Publication date Mar 10, 2011
- Raymond Kwong
- 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 OPTICAL ARTICLES PREPARED WITH REVERSIBLE THERMOCHROMI...
- Publication number 20110051223
- Publication date Mar 3, 2011
- TRANSITIONS OPTICAL, INC.
- David B. Knowles
- G02 - OPTICS
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
ELECTROLUMINESCENT EFFICIENCY
- Publication number 20100176390
- Publication date Jul 15, 2010
- Raymond KWONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOCHROMIC OPTICAL ARTICLES PREPARED WITH REVERSIBLE THERMOCHROMI...
- Publication number 20100149620
- Publication date Jun 17, 2010
- TRANSITIONS OPTICAL, INC.
- David B. Knowles
- G02 - OPTICS
Information Patent Application
BLUE PHOSPHORESCENT IMIDAZOPHENANTHRIDINE MATERIALS
- Publication number 20080297033
- Publication date Dec 4, 2008
- David B. KNOWLES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and...
- Publication number 20070190359
- Publication date Aug 16, 2007
- David B. Knowles
- C07 - ORGANIC CHEMISTRY

David B. Knowles

Person

Patents Grantslast 30 patents

Apparatus and method for precision coating of ophthalmic lenses wit...

Curable photochromic composition including a segmented polymer

Organic electroluminescent materials and devices

Curable photochromic compositions

Organic electroluminescent materials and devices

Organic electroluminescent materials and devices

Organic electroluminescent materials and devices

Organic electroluminescent materials and devices

Organic electroluminescent materials and devices

Organic electroluminescent materials and devices

Photochromic materials having extended pi-conjugated systems and co...

Organic electroluminescent materials and devices

Photochromic materials having extended pi-conjugated systems and co...

Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and...

Photochromic materials that include indeno-fused naphthopyrans

Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and...

Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and...

Ophthalmic devices comprising photochromic materials having extende...

Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (...

Stable and efficient electroluminescent materials

Photochromic optical articles prepared with reversible thermochromi...

Photochromic materials that include 6-amino substituted indeno-fuse...

Electroluminescent efficiency

Photochromic materials having extended pi-conjugated systems and co...

Photochromic materials that include 6-amino substituted indeno-fuse...

Photochromic materials having extended pi-conjugated systems and co...

Photochromic materials having extended pi-conjugated systems and co...

Blue phosphorescent imidazophenanthridine materials

Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and...

Photochromic optical articles prepared with reversible thermochromi...

Patents Applicationslast 30 patents

Curable Photochromic Compositions

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Curable Photochromic Composition Including a Segmented Polymer

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Apparatus and Method for Precision Coating of Ophthalmic Lenses wit...

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Curable Photochromic Compositions

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Metal Complexes of Cyclometallated Imidazo[1,2-f]phenanthridine and...

METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f]PHENANTHRIDINE AND...

PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...

METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO (1,2-f ) PHENANTHRIDINE...

PHOTOCHROMIC MATERIALS THAT INCLUDE 6-AMINO SUBSTITUTED INDENO-FUSE...

Photochromic Materials That Include Indeno-Fused Naphthopyrans

PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...

PHOTOCHROMIC MATERIALS THAT INCLUDE 6-AMINO SUBSTITUTED INDENO-FUSE...

METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f ]PHENANTHRIDINE AN...

Stable and Efficient Electroluminescent Materials

PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...

PHOTOCHROMIC OPTICAL ARTICLES PREPARED WITH REVERSIBLE THERMOCHROMI...

PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND CO...

ELECTROLUMINESCENT EFFICIENCY

PHOTOCHROMIC OPTICAL ARTICLES PREPARED WITH REVERSIBLE THERMOCHROMI...

BLUE PHOSPHORESCENT IMIDAZOPHENANTHRIDINE MATERIALS

Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and...