Walters; Robert W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Walters; Robert W..The latest application filed is for "method for preparing indolenaphthopyrans".

Company Profile

10.51.52

Walters; Robert W. - Export PA
Walters; Robert W. - Murrysville PA
Walters; Robert W. - Durham NC
Walters; Robert W. - County of Westmoreland PA
Walters; Robert W. - Westmoreland County PA
Walters, Robert W. - Westmoreland PA
Walters; Robert W. - Pittsburgh 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
Stability OLED materials and devices Grant 11,404,650 - Lin , et al. August 2, 2	2022-08-02
Method for Preparing Indolenaphthopyrans App 20220073533 - Stayshich; Ryan ; et al.	2022-03-10
Articles Comprising Indolenaphthopyrans App 20220064175 - Stayshich; Ryan ; et al.	2022-03-03
Indolonaphthopyrans App 20220056039 - Stayshich; Ryan ; et al.	2022-02-24
Photochromic Article App 20210395436 - TURPEN; Joseph D. ; et al.	2021-12-23
Indolenaphthopyrans App 20210317129 - Stayshich; Ryan ; et al.	2021-10-14
Photochromic Indeno-Fused Naphthopyran Compounds With Reduced Temperature Dependence App 20210198226 - Walters; Robert W. ; et al.	2021-07-01
Organic electroluminescent materials and devices Grant 10,978,649 - Knowles , et al. April 13, 2	2021-04-13
Compounds for Coordinating with a Metal, Compositions Containing Such Compounds, and Methods of Catalyzing Reactions App 20210079009 - WALTERS; Robert W. ; et al.	2021-03-18
Organic Electroluminescent Materials And Devices App 20200350504 - KNOWLES; DAVID ; et al.	2020-11-05
Organic electroluminescent materials and devices Grant 10,749,121 - Knowles , et al. A	2020-08-18
Silole and Germole Fused Ring Photochromic Compounds App 20200172798 - Stayshich; Ryan ; et al.	2020-06-04
Stability Oled Materials And Devices App 20200006674 - LIN; Chun ; et al.	2020-01-02
Photochromic thienochromene compounds Grant 10,501,477 - Deng , et al. Dec	2019-12-10
Organic Electroluminescent Materials And Devices App 20190341563 - KNOWLES; David ; et al.	2019-11-07
Organic electroluminescent materials and devices Grant 10,403,831 - Knowles , et al. Sep	2019-09-03
Stability OLED materials and devices Grant 10,381,579 - Lin , et al. A	2019-08-13
Organic Electroluminescent Materials And Devices App 20190058138 - KNOWLES; David ; et al.	2019-02-21
Organic electroluminescent materials and devices Grant 10,158,090 - Knowles , et al. Dec	2018-12-18
Organic Electroluminescent Materials And Devices App 20180130963 - KNOWLES; David ; et al.	2018-05-10
Photochromic Thienochromene Compounds App 20180051037 - Deng; Jun ; et al.	2018-02-22
Organic electroluminescent materials and devices Grant 9,893,306 - Knowles , et al. February 13, 2	2018-02-13
Organic Electroluminescent Materials And Devices App 20170331055 - KNOWLES; David ; et al.	2017-11-16
Organic electroluminescent materials and devices Grant 9,722,193 - Knowles , et al. August 1, 2	2017-08-01
Organic Electroluminescent Materials And Devices App 20170084851 - KNOWLES; David ; et al.	2017-03-23
Organic electroluminescent materials and devices Grant 9,548,462 - Knowles , et al. January 17, 2	2017-01-17
Organic Electroluminescent Materials And Devices App 20160240798 - KNOWLES; David ; et al.	2016-08-18
Organic electroluminescent materials and devices Grant 9,281,483 - Knowles , et al. March 8, 2	2016-03-08
Organic Electroluminescent Materials And Devices App 20150287935 - KNOWLES; David ; et al.	2015-10-08
Method of making an optical element having an electrochromic apodized aperture Grant 9,128,343 - Blackburn , et al. September 8, 2	2015-09-08
Stability Oled Materials And Devices App 20150249225 - LIN; Chun ; et al.	2015-09-03
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof Grant 9,065,063 - Knowles , et al. June 23, 2	2015-06-23
Stability OLED materials and devices Grant 9,051,344 - Lin , et al. June 9, 2	2015-06-09
Photochromic materials that include indeno-fused naphthopyrans Grant 9,028,728 - Bancroft , et al. May 12, 2	2015-05-12
Metal Complexes of Cyclometallated Imidazo[1,2-f]phenanthridine and Diimidazo[1,2-a:1',2'-c]quinazoline Ligands and Isoelectronic and Benzannulated Analogs Thereof App 20150018549 - KNOWLES; David B. ; et al.	2015-01-15
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof Grant 8,889,864 - Knowles , et al. November 18, 2	2014-11-18
METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f]PHENANTHRIDINE AND DIIMIDAZO[1,2-a:1',2'-c]QUINAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF App 20140249307 - KNOWLES; David B. ; et al.	2014-09-04
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof Grant 8,766,529 - Knowles , et al. July 1, 2	2014-07-01
Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same Grant 8,734,033 - Walters , et al. May 27, 2	2014-05-27
Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (1,2-a:1', 2'-c),quinazoline ligands and isoelectronic and benzannulated analogs thereof Grant 8,691,988 - Knowles , et al. April 8, 2	2014-04-08
Photochromic compounds having at least two photochromic moieties Grant 8,647,538 - Lu , et al. February 11, 2	2014-02-11
Curable photochromic compositions and optical articles prepared therefrom Grant 8,608,988 - Bowles , et al. December 17, 2	2013-12-17
METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO (1,2-f ) PHENANTHRIDINE AND DIIMIDAZO (1,2-a:1', 2'-c),QUINAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF App 20130310561 - Knowles; David B. ; et al.	2013-11-21
Optical Mechanism With Indexing Stage With At Least One Fixed Diameter Apodized Aperture And Method Of Making Same App 20130259464 - Walters; Robert W. ; et al.	2013-10-03
Optical Element Having An Electrochromic Apodized Aperture And An Aperture Body Forming An Electrochromic Apodized Aperture App 20130215489 - Blackburn; Forrest R. ; et al.	2013-08-22
Method Of Making An Optical Element Having An Electrochromic Apodized Aperture App 20130206323 - Blackburn; Forrest R. ; et al.	2013-08-15
Complexes with tridentate ligands Grant 8,383,249 - Walters , et al. February 26, 2	2013-02-26
Optical element having an apodized aperture Grant 8,373,919 - Foller , et al. February 12, 2	2013-02-12
Curable Photochromic Compositions And Optical Articles Prepared Therefrom App 20120212840 - Bowles; Steven E. ; et al.	2012-08-23
Photochromic Materials That Include Indeno-Fused Naphthopyrans App 20120145973 - Bancroft; Kevin E. ; et al.	2012-06-14
Photochromic Compounds Having At Least Two Photochromic Moieties App 20120136148 - Lu; Yunyi ; et al.	2012-05-31
Blue phosphorescent imidazophenanthridine materials Grant 8,142,909 - Beers , et al. March 27, 2	2012-03-27
Complexes with tridentate ligands Grant 8,067,100 - Walters , et al. November 29, 2	2011-11-29
METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f ]PHENANTHRIDINE AND DIIMIDAZO[1,2-a:1',2'-c ]QUNIAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF App 20110073849 - KNOWLES; David B. ; et al.	2011-03-31
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof Grant 7,915,415 - Knowles , et al. March 29, 2	2011-03-29
Nicotinic Acid Receptor Ligands App 20110071198 - Lefkowitz; Robert J. ; et al.	2011-03-24
Stability OLED materials and devices Grant 7,902,374 - Lin , et al. March 8, 2	2011-03-08
Optical Element Having An Apodized Aperture App 20100134866 - Foller; Peter C. ; et al.	2010-06-03
Photochromic contact lenses and methods of manufacturing Grant 7,560,056 - Van Gemert , et al. July 14, 2	2009-07-14
Naphthols useful for preparing indeno-fused photochromic naphthopyrans Grant 7,557,208 - Walters , et al. July 7, 2	2009-07-07
Complexes With Tridentate Ligands App 20090115322 - WALTERS; Robert W. ; et al.	2009-05-07
Naphthols useful for preparing indeno-fused photochromic naphthopyrans Grant 7,517,982 - Walters , et al. April 14, 2	2009-04-14
Complexes with tridentate ligands App 20090092854 - Walters; Robert W. ; et al.	2009-04-09
Naphthols Useful For Preparing Indeno-fused Photochromic Naphthopyrans App 20090062533 - Walters; Robert W. ; et al.	2009-03-05
Blue Phosphorescent Imidazophenanthridine Materials App 20080297033 - KNOWLES; David B. ; et al.	2008-12-04
Photochromic Contact Lenses And Methods Of Manufacturing App 20080125512 - Van Gemert; Barry ; et al.	2008-05-29
Photochromic contact lenses and methods of manufacturing Grant 7,368,072 - Gemert , et al. May 6, 2	2008-05-06
Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles Grant 7,262,295 - Walters , et al. August 28, 2	2007-08-28
Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof App 20070190359 - Knowles; David B. ; et al.	2007-08-16
Naphthols useful for preparing indeno-fused photochromic naphthopyrans App 20070155964 - Walters; Robert W. ; et al.	2007-07-05
Stability OLED materials and devices App 20070088167 - Lin; Chun ; et al.	2007-04-19
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
Photochromic polymer compositions and articles thereof App 20070001155 - Walters; Robert W. ; et al.	2007-01-04
Stability OLED materials and devices App 20060251923 - Lin; Chun ; et al.	2006-11-09
Organic light emitting materials and devices Grant 7,011,897 - Thompson , et al. March 14, 2	2006-03-14
Organic light emitting materials and devices Grant 6,916,554 - Ma , et al. July 12, 2	2005-07-12
Organic light emitting materials and devices Grant 6,858,327 - Tsai , et al. February 22, 2	2005-02-22
Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparation App 20040185268 - Kumar, Anil ; et al.	2004-09-23
Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles App 20040185255 - Walters, Robert W. ; et al.	2004-09-23
Organic light emitting materials and devices App 20040121184 - Thompson, Mark E. ; et al.	2004-06-24
Organic light emitting materials and devices App 20040091738 - Psai, Jui-Yi ; et al.	2004-05-13
Organic light emitting materials and devices App 20040086742 - Ma, Bin ; et al.	2004-05-06
Poly(meth)acrylic photochromic coating Grant 6,602,603 - Welch , et al. August 5, 2	2003-08-05
Photochromic contact lenses and methods of manufacturing App 20030142267 - Gemert, Barry Van ; et al.	2003-07-31
Photochromic polymer compositions and articles thereof App 20030141490 - Walters, Robert W. ; et al.	2003-07-31
Polymeric matrix compatibilized naphthopyrans Grant 6,555,028 - Walters , et al. April 29, 2	2003-04-29
Polyanhydride photochromic coating composition and photochromic articles Grant 6,436,525 - Welch , et al. August 20, 2	2002-08-20
Poly (meth) acrylic photochromic coating App 20020076549 - Welch, Cletus N. ; et al.	2002-06-20
Polymeric matrix compatibilized naphthopyrans App 20010025948 - Walters, Robert W. ; et al.	2001-10-04
Photochromic epoxy resin coating composition and articles having such a coating Grant 6,268,055 - Walters , et al. July 31, 2	2001-07-31
Photochromic polyurethane coating and articles having such a coating Grant 6,187,444 - Bowles, III , et al. February 13, 2	2001-02-13
Process for adhering a photochromic coating to a polymeric substrate Grant 6,150,430 - Walters , et al. November 21, 2	2000-11-21
Process for producing an adherent polymeric layer on polymeric substrates and articles produced thereby Grant 6,025,026 - Smith , et al. February 15, 2	2000-02-15

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