Edmund J. Piasek

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Benzene sulfonic acid modified aromatic Mannich products from alkyl...
- Patent number 4,425,245
- Issue date Jan 10, 1984
- Standard Oil Company (Indiana)
- Paul J. Cahill
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Benzene sulfonic acid catalyzed aromatic Mannich products from alky...
- Patent number 4,425,249
- Issue date Jan 10, 1984
- Standard Oil Company (Indiana)
- Paul J. Cahill
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Terpolymer alkylated phenol
- Patent number 4,070,402
- Issue date Jan 24, 1978
- Standard Oil Company
- Robert E. Karll
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lubricating oils containing high molecular weight Mannich condensat...
- Patent number 3,985,802
- Issue date Oct 12, 1976
- Standard Oil Company (Indiana)
- Edmund J. Piasek
- C07 - ORGANIC CHEMISTRY