Steven E Bowles

US Patent:

8608988, Dec 17, 2013

Filed:

Nov 10, 2011

Appl. No.:

13/293255

Inventors:

Steven E. Bowles - Pittsburgh PA, US
Cynthia Kutchko - Pittsburgh PA, US
Paul H. Lamers - Allison Park PA, US
Jason R. Lewis - Monaca PA, US
David E. Sartori - Pittsburgh PA, US
Robert W. Walters - Export PA, US
Feng Wang - Export PA, US

Assignee:

Transitions Optical, Inc. - Pinellas Park FL

International Classification:

G02B 5/23
G02B 13/00
G02B 3/00

US Classification:

252586, 252582, 264 132, 359355, 359722, 428412, 544 99, 548409, 549389

Abstract:

The present invention provides a curable, organic polymeric photochromic composition comprising: a photochromic amount of at least one photochromic material; a polymeric polyol having carbonate groups along its backbone and having a number average molecular weight greater than 5000 g/mole; and a curing agent having reactive functional groups capable of reacting with hydroxyl groups on the polymeric polyol. After curing and after the Photochromic Performance Test the composition demonstrates a Tfade rate of less than 200 seconds. Also provided is a photochromic article comprising a rigid substrate and a photochromic organic polymeric coating applied to a surface of the substrate. The photochromic organic polymeric coating comprises the composition described above.

US Patent:

20090053512, Feb 26, 2009

Filed:

Mar 12, 2007

Appl. No.:

12/282408

Inventors:

Jeffrey Pyun - Tucson AZ, US
Bryan Korth - Tucson AZ, US
Steven Bowles - Pittsburgh PA, US
Pei Yuin Keng - Sarawak, MY

Assignee:

THE ARIZONA BD OF REG ON BEHALF OF THE UNIV OF AZ - Tucson AZ

International Classification:

B32B 15/02
B32B 9/00

US Classification:

428336, 252 6251R, 252 6255, 428368, 428457, 428702, 4284111, 428367

Abstract:

A polymer coated nanoparticle containing a metallic core and a polymer shell encapsulating said metallic core is useful, for example, in magnetic tapes and supercapacitors.

US Patent:

20100209697, Aug 19, 2010

Filed:

Mar 8, 2010

Appl. No.:

12/719293

Inventors:

Steven E. Bowles - Pittsburgh PA, US
Anu Chopra - Pittsburgh PA, US
James P. Colton - Trafford PA, US
Dennis L. Faler - North Huntingdon PA, US
M. Frank Haley - Glenshaw PA, US
Paul H. Lamers - Allison Park PA, US
Yunyi Lu - Monroeville PA, US
Kevin J. Stewart - Murrysville PA, US
Cathy A. Taylor - Allison Park PA, US
Feng Wang - Export PA, US
Elizabeth A. Zezinka - Cranberry Township PA, US

Assignee:

Transitions Optical, Inc. - Pinellas Park FL

International Classification:

G02B 1/10
H01F 1/26
H01B 1/12
G02B 5/23
C09K 11/06
C08K 5/057
C08K 5/5419
C08L 75/00
B32B 5/16

US Classification:

428323, 252 6254, 252500, 252586, 25230135, 524175, 524176, 524261, 524589

Abstract:

Described are non-aqueous dispersions of photosensitive polymeric microparticles, comprising: a) an organic continuous phase comprising an organic solvent; and b) photosensitive polymeric microparticles dispersed in the organic continuous phase. The microparticles comprise an at least partially polymerized component having integral surface and interior domains, wherein the surface domain comprises a polymeric material that is solubilized by the organic solvent, the interior domain comprises a polymeric material that is insoluble in the organic solvent, and the surface domain and/or interior domain is photosensitive. Also described are methods of producing such non-aqueous dispersions, curable film-forming compositions containing them, and photosensitive coated substrates.

US Patent:

20100221661, Sep 2, 2010

Filed:

Mar 8, 2010

Appl. No.:

12/719335

Inventors:

Steven E. Bowles - Pittsburgh PA, US
Anu Chopra - Pittsburgh PA, US
Randy E. Daughenbaugh - Monroeville PA, US
Dennis L. Faler - North Huntingdon PA, US
M. Frank Haley - Glenshaw PA, US
Paul H. Lamers - Allison Park PA, US
Yunyi Lu - Monroeville PA, US
Kevin J. Stewart - Murrysville PA, US
Cathy A. Taylor - Allison Park PA, US
Feng Wang - Export PA, US
Elizabeth A. Zezinka - Cranberry Township PA, US

Assignee:

Transitions Optical, Inc. - Pinellas Park FL

International Classification:

G03F 7/004

US Classification:

4302801, 4302701

Abstract:

Described are various methods of producing non-aqueous dispersions of photosensitive polymeric microparticles, comprising: (a) preparing one or more aqueous dispersions of a polymerizable component, at least one of which contains a photosensitive material and, wherein the polymerizable components comprise at least one hydrophilic functional group and/or at least one hydrophobic functional group; (b) subjecting the dispersion of (a) to conditions sufficient to form microparticles; (c) at least partially polymerizing the polymerizable component; (d) combining the dispersion with an organic continuous phase comprising an organic solvent; (e) removing water from the dispersion such that the final water content of the non-aqueous dispersion is less than 30 percent by weight; wherein e) is performed before or after d); and (f) reacting any acid functional groups on the surface of the microparticles with a reactive material having at least one epoxy functional group, at least one thiocarbonylthio functional group, at least one alkoxyamine functional group, or at least one halide functional group.

US Patent:

20220335249, Oct 20, 2022

Filed:

May 26, 2021

Appl. No.:

17/331574

Inventors:

- Redmond WA, US
Jinyu LI - Sammamish WA, US
Yang CHEN - Bellevue WA, US
Youyou HAN OPPENLANDER - Bothell WA, US
Steven John BOWLES - Kenmore WA, US
Qingfen LIN - Redmond WA, US

International Classification:

G06K 9/00
G06K 9/62
G06F 16/28

Abstract:

The disclosure herein describes systems and methods for object data storage. In some examples, the method includes generating a profile for an object in a directory, the profile including a first feature vector corresponding to the object and a global unique identifier (GUID) corresponding to the first feature vector in the profile; generating a search scope, the search scope including at least the GUID corresponding to the profile; generating a second feature vector from a live image scan; matching the generated second feature vector from the live image scan to the first feature vector using the generated search scope; identifying the GUID corresponding to the first feature vector that matches the second feature vector; and outputting information corresponding to the object of the profile identified by the GUID corresponding to the first feature vector.

US Patent:

20220282115, Sep 8, 2022

Filed:

Jun 23, 2020

Appl. No.:

17/753183

Inventors:

- Cleveland OH, US
David J. Fortman - Pittsburgh PA, US
Brian K. Rearick - Allison Park PA, US
Masayuki Nakajima - Wexford PA, US
Steven E. Bowles - Pittsburgh PA, US
Maria S. French - Canfield OH, US

Assignee:

PPG Industries Ohio, Inc. - Cleveland OH

International Classification:

C09D 163/00
C09D 7/61
C09D 5/08

Abstract:

Disclosed are systems for treating a substrate comprising a deoxidizing composition and a coating composition. The deoxidizing composition comprises a Group IVA metal and/or a Group IVB metal and free fluoride, optionally may comprise a homopolymer or copolymer comprising a phosphorous-containing monomeric subunit, and has a pH of 1.0 to 3.0. The coating composition comprises first and second components and elastomeric particles. The first component comprises an epoxy-containing compound (E1) and/or an epoxide-functional adduct (E2). The second component comprises a diamine and/or a polyamine comprising a cyclic ring (A2) and/or an amine-functional adduct (A3). The present invention is also directed to methods of making the compositions, methods of coating a substrate, and coated substrates.

US Patent:

20220275240, Sep 1, 2022

Filed:

Jun 23, 2020

Appl. No.:

17/753149

Inventors:

- Cleveland OH, US
Joseph P. Kriley - Valencia PA, US
Brian K. Rearick - Allison Park PA, US
Maria S. French - Canfield OH, US
Steven E. Bowles - Pittsburgh PA, US
Masayuki Nakajima - Wexford PA, US

Assignee:

PPG Industries Ohio, Inc. - Cleveland OH

International Classification:

C09D 163/00
C09D 5/08
C08L 43/02
C08L 53/02

Abstract:

Disclosed are systems for treating a substrate comprising a deoxidizing composition and a coating composition. The deoxidizing composition comprises a Group IVA metal and/or a Group IVB metal and free fluoride, optionally may comprise a homopolymer or copolymer comprising a phosphorous-containing monomeric subunit, and has a pH of 1.0 to 3.0. The coating composition comprises first and second components and elastomeric particles. The first component comprises an epoxy-containing compound. The second component comprises a diamine and/or a polyamine comprising a cyclic ring. The diamine may chemically react with the epoxy-containing compound. The present invention is also directed to methods of making the compositions, methods of coating a substrate, and coated substrates.

US Patent:

20230033514, Feb 2, 2023

Filed:

Dec 10, 2020

Appl. No.:

17/757034

Inventors:

- Cleveland OH, US
Dennis Leroy Faler - North Huntingdon PA, US
Sara Ashley Friello - Pittsburgh PA, US
Paul H. Lamers - Allison Park PA, US
Steven Edward Bowles - Pittsburgh PA, US
David Robert Fenn - Allison Park PA, US
Chester Szymanski - Allison Park PA, US
Shanti Swarup - Allison Park PA, US
Hongying Zhou - Allison Park PA, US
Hilary Ann Kerchner - Gibsonia PA, US
Gobinda Saha - Pittsburgh PA, US
Brian Endlich - Apollo PA, US

Assignee:

PPG Industries Ohio, Inc. - Cleveland OH

International Classification:

C09D 175/06
C09D 7/65
C09D 7/63
C09D 5/02

Abstract:

A film-forming thermoset coating composition includes: (a) an aqueous medium; and Option 1 and/or Option 2 as follows: Option 1: (b1) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core; and (c1) (i) formaldehyde; (ii) polyformaldehyde; and/or (iii) a compound that generates formaldehyde; Option 2: (b2) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more N-methylolated hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core.