| 4978711 |
Aqueous aminoresin solutions for low-formaldehyde surface bonding |
Christof Schmidt-Hellerau, Engelbert Weber |
1990-12-18 |
| 4814422 |
Pulverulent aminoplast adhesive resin for wood-base materials having a low formaldehyde emission, its preparation, and a formulated pulverulent aminoplast adhesive resin |
Hans Diem, Friedrich Kraus, Bruno Maurer, Otto Wittmann |
1989-03-21 |
| 4700000 |
Preparation of calcium propionate |
Dieter Merkel, Wolfgang Muehlthaler, Hans Diem |
1987-10-13 |
| 4684690 |
Aminoplast adhesive resin powder for wood-based materials or as a paper adhesive, which eliminates little formaldehyde, its preparation, and a formulated aminoplast adhesive resin powder |
Friedrich Kraus, Otto Wittmann, Hans Diem |
1987-08-04 |
| 4458049 |
Preparation of cocondensates which produce weather-resistant bonding |
Hans Diem, Robert Fritsch, Heinz Lehnert, Hermann Schatz, Otto Wittmann |
1984-07-03 |
| 4242282 |
Preparation of glyoxal |
Hans Diem, Christian Dudeck, Gunter Lehmann, Norbert Petri |
1980-12-30 |
| 4212890 |
Manufacture of pellets from feed meals |
Hubert Tiefenbacher, Friedrich Kraus |
1980-07-15 |
| 4209466 |
Manufacture of formaldehyde |
Dieter Wolf, Hans Diem, Otto Grabowsky |
1980-06-24 |