Robert H. Wombles

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Wexford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Coal tar and hydrocarbon mixture pitch and the preparation and use...
- Patent number 7,465,387
- Issue date Dec 16, 2008
- Koppers Delaware, Inc.
- Thomas A. Golubic
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer-modified, vulcanized asphalt composition and its method of...
- Patent number 7,241,821
- Issue date Jul 10, 2007
- Marathon Ashland Petroleum LLC
- Roger E. Hayner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coal tar and hydrocarbon mixture pitch and the preparation and use...
- Patent number 7,066,997
- Issue date Jun 27, 2006
- Koppers Delaware, Inc.
- Thomas A. Golubic
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High coking value pitch
- Patent number 6,352,637
- Issue date Mar 5, 2002
- Marathon-Ashland Petroleum, LLC
- Patricia K. Doolin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Environmentally improved asphalt compositions and their preparation
- Patent number 5,961,709
- Issue date Oct 5, 1999
- Marathon Ashland Petroleum LLC
- Roger E. Hayner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Coal tar and hydrocarbon mixture pitch and the preparation and use...
- Publication number 20060230982
- Publication date Oct 19, 2006
- Thomas A. Golubic
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Chopped carbon fiber preform processing method using coal tar pitch...
- Publication number 20050081752
- Publication date Apr 21, 2005
- David R. Snyder
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL