| 6541652 |
Process and apparatus for isolating organic substances from a gas mixture in which these substances are present |
Josef Schmitz, Gunter Schummer, Rainer Strobel, Arnd Stuwe |
2003-04-01 |
| 5620222 |
Electro-hydraulic rectangular grapple for railcars |
— |
1997-04-15 |
| 5620567 |
Process for the removal of aldehydes and acetals from industrially prepared acetic acid |
Andreas Seidel, Alfred Hauser |
1997-04-15 |
| 5443294 |
Single-line clamshell bucket |
Jeffery Wallace, Jon A. Craft |
1995-08-22 |
| 5356082 |
Incinerated waste material treatment |
George O. Starke, James R. Diefenthal |
1994-10-18 |
| 5243819 |
Exhaust gas cleaning device for diesel engines |
Siegfried Woerner, Peter Reiser |
1993-09-14 |
| 5174509 |
Incinerated waste material treatment |
George O. Starke, James R. Diefenthal |
1992-12-29 |
| 5124290 |
Process for removing metallic corrosion products from carbonylation reactions carried out under anhydrous conditions |
Heinz Erpenbach, Reinhard Gradl, Erhard Jagers, Andreas Seidel |
1992-06-23 |
| 5002914 |
Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether |
Heinz Erpenbach, Winfried Lork, Norbert Weferling |
1991-03-26 |
| 4985383 |
Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether |
Heinz Erpenbach, Winfried Lork, Andreas Seidel |
1991-01-15 |
| 4664753 |
Process for separating iodine and its compounds from the carbonylation products obtained by subjecting dimethylether, methyl acetate or methanol to a carbonylation reaction |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1987-05-12 |
| 4629711 |
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1986-12-16 |
| 4557760 |
Process for recovering noble metals belonging to group VIII of the Periodic System of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate and/or dimethylether |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1985-12-10 |
| 4556644 |
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1985-12-03 |
| 4543217 |
Process for making carboxylic acid halides |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1985-09-24 |
| 4444624 |
Process for separating acetone from carbonylation mixtures |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1984-04-24 |
| 4442304 |
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1984-04-10 |
| 4440570 |
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1984-04-03 |
| 4414160 |
Process for making carboxylic acid halides |
Heinz Erpenbach, Klaus Gehrmann, Winfried Lork |
1983-11-08 |
