D. Chris Boyer

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Huntington, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Sealer from SDA asphalt
- Patent number 6,403,659
- Issue date Jun 11, 2002
- Marathon Ashland Petroleum LLC
- D. Chris Boyer
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Low softening point petroleum pitch and sealer
- Patent number 6,383,365
- Issue date May 7, 2002
- Marathon Ashland Petroleum LLC
- D. Chris Boyer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Sealer from asphalt and pitch
- Patent number 6,361,591
- Issue date Mar 26, 2002
- Marathon Ashland Petroleum LLC
- D. Chris Boyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Driveway sealer using phase stable pourable pitch
- Patent number 6,267,809
- Issue date Jul 31, 2001
- Marathon Ashland Petroleum LLC
- D. Chris Boyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...