Charles R Coleman

US Patent:

6614577, Sep 2, 2003

Filed:

Aug 23, 2000

Appl. No.:

09/644355

Inventors:

Phillip C. Yu - Pittsburgh PA
David L. Backfisch - Monroeville PA
Charles R. Coleman - Pittsburgh PA

Assignee:

PPG Industries Ohio, Inc. - Cleveland OH

International Classification:

G02F 1163

US Classification:

359265, 359275, 359288, 351 44

Abstract:

A method and apparatus for controlling a charge/discharge voltage applied to an EC device to ensure that an appropriate voltage drop across the EC device is maintained during charge and/or discharge modes of operation. The appropriate voltage drop is determined with respect to a temperature measurement proximate the EC device. The charge level of the device is monitored using a coulomb counter circuit having a topology designed to minimize interference in the operation of the EC device.

US Patent:

7569107, Aug 4, 2009

Filed:

May 26, 2006

Appl. No.:

11/442518

Inventors:

James L. Boyer - Monroeville PA, US
Charles R. Coleman - Pittsburgh PA, US
Timothy A. Okel - Trafford PA, US
Narayan K. Raman - Pittsburgh PA, US

Assignee:

PPG Industries Ohio, Inc. - Cleveland OH

International Classification:

C04B 14/04
C08K 9/00

US Classification:

106481, 106499, 106490, 106491, 106504, 523200, 523216, 524492, 429247

Abstract:

The present invention is related to treated filler and processes for producing said treated filler. Untreated filler slurry can be treated with a treating material and, optionally, a coupling material and then subjected to conventional drying method(s), to produce the treated filler of the invention. Treated filler has a wide variety of applications including but not limited to battery separators and rubber compositions such as tires.

US Patent:

8377395, Feb 19, 2013

Filed:

Apr 29, 2011

Appl. No.:

13/097975

Inventors:

Charles M. Coleman - Pittsburgh PA, US

International Classification:

B01D 35/05

US Classification:

422533, 422 72, 422548, 422549, 210121, 210122, 2102421, 210516, 210789, 4352866, 494 16

Abstract:

A blood specimen processor by means of which blood specimens are collected into a collection tube containing an anticoagulant and a molded buoy of predetermined density between 1. 045 and 1. 084 with an embedded water swellable o-ring that expands to form a robust seal in a leucocyte density gradient between the buoy's outer surface and tube's inner surface. The buoy is made of a first resin and a second resin, the first resin having a lower density than the second resin, the first resin and the second resin being present in such amounts and relative proportions so that the body has an overall density between 1. 045 and 1. 084 and preferably, a center of gravity below a geometric center of the body. When the blood specimen contained in the processor is centrifuged, the buoy is thrust through the separating blood and the developing interface of erythrocytes, leucocytes, and plasma. A reproducible gradient develops that builds a reproducible buffy coat ring around the upper trough at the junction of the edge of the separator buoy and the tube wall.

US Patent:

20030210450, Nov 13, 2003

Filed:

May 21, 2003

Appl. No.:

10/442719

Inventors:

Phillip Yu - Murrysville PA, US
David Backfisch - Monroeville PA, US
Charles Coleman - Pittsburgh PA, US

International Classification:

G02F001/15
G02F001/153
G02F001/01
G02C007/10

US Classification:

359/265000, 359/275000, 359/288000, 351/044000

Abstract:

A method and apparatus for controlling a charge/discharge voltage applied to an EC device to ensure that an appropriate voltage drop across the EC device is maintained during charge and/or discharge modes of operation. The appropriate voltage drop is determined with respect to a temperature measurement proximate the EC device. The charge level of the device is monitored using a coulomb counter circuit having a topology designed to minimize interference in the operation of the EC device.

US Patent:

20040212370, Oct 28, 2004

Filed:

Apr 23, 2003

Appl. No.:

10/421243

Inventors:

Robert Cunningham - Harrisville PA, US
Charles Coleman - Pittsburgh PA, US

International Classification:

G01N027/02

US Classification:

324/446000, 324/693000

Abstract:

An electrochemical impedance spectroscopy apparatus includes a conduit having a first conductive probe positioned therein. One end of the conduit is coupled in a fluid tight manner to a surface of an electrically conductive object or a coating thereon whereupon an electrolyte solution disposed in the conduit is in fluid communication with the first conductive probe and the surface or the coating. A second conductive probe outside the conduit is moved into electrical contact with the object, either directly or via the coating. An AC signal applied between the first and second conductive probes is swept between a first frequency and a second frequency. A characteristic or property of the surface and/or the coating is determined from the response thereof to the swept AC signal.

US Patent:

20060225615, Oct 12, 2006

Filed:

Apr 11, 2005

Appl. No.:

11/103123

Inventors:

Narayan Raman - Pittsburgh PA, US
James Boyer - Monroeville PA, US
Timothy Okel - Trafford PA, US
Charles Coleman - Pittsburgh PA, US

International Classification:

C04B 14/04
C08K 9/00

US Classification:

106482000, 106483000, 106491000, 106490000, 106499000, 106504000, 523200000

Abstract:

The present invention is related to treated filler, processes for producing said treated filler and the use of said treated filler in polymeric compositions. In particular, filler can be treated with at least one non-coupling material and at least one coupling material, then subjected to conventional drying method(s), to produce the treated filler of the present invention. The resultant treated filler has a wide variety of applications including polymeric compositions such as but not limited to rubber compositions such as tires.

US Patent:

20060228632, Oct 12, 2006

Filed:

Apr 11, 2005

Appl. No.:

11/103030

Inventors:

James Boyer - Monroeville PA, US
Narayan Raman - Pittsburgh PA, US
Charles Coleman - Pittsburgh PA, US
Timothy Okel - Trafford PA, US

International Classification:

H01M 2/16

US Classification:

429247000

Abstract:

The present invention is related to treated filler and processes for producing said treated filler. Untreated filler slurry can be treated with a treating material and then subjected to conventional drying method(s), to produce the treated filler of the invention. Treated filler has a wide variety of applications including but not limited to battery separators and rubber compositions such as tires.

US Patent:

20060229386, Oct 12, 2006

Filed:

Apr 11, 2005

Appl. No.:

11/103316

Inventors:

Narayan Raman - Pittsburgh PA, US
James Boyer - Monroeville PA, US
Charles Coleman - Pittsburgh PA, US
Timothy Okel - Trafford PA, US

International Classification:

C08K 9/00
B32B 5/16

US Classification:

523216000, 524444000, 524492000, 428402000

Abstract:

The present invention is related to treated filler and processes by which it can be produced. Untreated filler slurry can be treated with a treating material and then subjected to conventional drying method(s), to produce the treated filler of the invention. Treated filler has a wide variety of applications including but not limited to battery separators and rubber compositions such as tires.