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Marvin Jerome Graham
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Monroeville, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods for preparing optical articles and optical articles prepare...
Patent number
10,012,773
Issue date
Jul 3, 2018
PPG Industries Ohio, Inc.
Nina Vassileva Bojkova
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical articles and methods for preparation of same
Patent number
9,891,349
Issue date
Feb 13, 2018
PPG Industries Ohio, Inc.
Nina Vassileva Bojkova
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyurethane urea-containing compositions and optical articles and...
Patent number
9,568,643
Issue date
Feb 14, 2017
PPG Industries Ohio, Inc.
Nina Vassileva Bojkova
G02 - OPTICS
Information
Patent Grant
Polymerizable compositions containing (meth)acrylate monomers havin...
Patent number
9,334,345
Issue date
May 10, 2016
PPG Industries Ohio, Inc.
Robert D. Herold
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfur-containing oligomers and high index polyurethanes prepared t...
Patent number
8,017,720
Issue date
Sep 13, 2011
PPG Industries Ohio, Inc.
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical resin composition
Patent number
7,473,754
Issue date
Jan 6, 2009
PPG Industries Ohio, Inc.
Michael O. Okoroafor
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of preparing an optical polymerizate
Patent number
7,098,290
Issue date
Aug 29, 2006
PPG Industries Ohio, Inc.
Michael O. Okoroafor
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyfunctional thiirane compounds
Patent number
6,631,021
Issue date
Oct 7, 2003
PPG Industries Ohio, Inc.
Robert A. Smith
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Optical Articles and Methods for Preparation of Same
Publication number
20170235022
Publication date
Aug 17, 2017
PPG INDUSTRIES OHIO, INC.
Nina Vassileva Bojkova
G02 - OPTICS
Information
Patent Application
Methods for Preparing Optical Articles and Optical Articles Prepare...
Publication number
20170153359
Publication date
Jun 1, 2017
PPG INDUSTRIES OHIO, INC.
Nina Vassileva Bojkova
G02 - OPTICS
Information
Patent Application
POLYURETHANE UREA-CONTAINING COMPOSITIONS AND OPTICAL ARTICLES AND...
Publication number
20140171612
Publication date
Jun 19, 2014
Nina Vassileva Bojkova
G02 - OPTICS
Information
Patent Application
METHOD FOR PREPARING POLYMERIC SHEETS DERIVED FROM POLYISOCYANATES
Publication number
20130119585
Publication date
May 16, 2013
Marvin J. Graham
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYMERIZABLE COMPOSITIONS CONTAINING (METH)ACRYLATE MONOMERS HAVIN...
Publication number
20130082220
Publication date
Apr 4, 2013
PPG INDUSTRIES OHIO, INC.
Robert D. Herold
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
High impact poly(urethane urea) polysulfides
Publication number
20100048852
Publication date
Feb 25, 2010
PPG INDUSTRIES OHIO, INC.
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20070238848
Publication date
Oct 11, 2007
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Sulfur-containing oligomers and high index polyurethanes prepared t...
Publication number
20070142605
Publication date
Jun 21, 2007
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20060241273
Publication date
Oct 26, 2006
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20050282991
Publication date
Dec 22, 2005
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20040138401
Publication date
Jul 15, 2004
Nina Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20030149217
Publication date
Aug 7, 2003
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyfunctional thiirane compounds
Publication number
20020010313
Publication date
Jan 24, 2002
Robert A. Smith
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of preparing a polymerizate
Publication number
20010047043
Publication date
Nov 29, 2001
Michael O. Okoroafor
G02 - OPTICS