Frank Bartkowiak

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Di-styrl-phenyl-triglycol ether as crystallization inhibitor
- Patent number 5,053,421
- Issue date Oct 1, 1991
- Bayer Aktiengesellschaft
- Heinz-Otto Horstmann
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Carrier mixture for the dyeing of polyester materials: n-alkylphtha...
- Patent number 4,994,089
- Issue date Feb 19, 1991
- Bayer Aktiengesellschaft
- Frank Bartkowiak
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Levelling agents for disperse dyeing of polyester: ethoxylate or pr...
- Patent number 4,943,299
- Issue date Jul 24, 1990
- Bayer Aktiengesellschaft
- Hans Schulze
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...