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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing debenzolized tar and low-benzene centrifuged...
- Patent number 5,314,609
- Issue date May 24, 1994
- Aristech Chemical Corporation
- John Stipanovich
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
2468514
- Patent number 2,468,514
- Issue date Apr 26, 1949
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
1864749
- Patent number 1,864,749
- Issue date Jun 28, 1932
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
1802539
- Patent number 1,802,539
- Issue date Apr 28, 1931
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
1790571
- Patent number 1,790,571
- Issue date Jan 27, 1931
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
1561899
- Patent number 1,561,899
- Issue date Nov 17, 1925
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
1453215
- Patent number 1,453,215
- Issue date Apr 24, 1923
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...