| 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, Guenther Matthias, Bruno Maurer, Otto Wittmann |
1989-03-21 |
| 4766325 |
Method for testing for faulty plated-through bores circuit boards |
Hans-Hermann Merkenschlager, Gergely Szolnoki |
1988-08-23 |
| 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 |
Guenther Matthias, Otto Wittmann, Hans Diem |
1987-08-04 |
| 4666948 |
Preparation of resilient melamine foams |
Frank P. Woerner, Peter Neumann, Harald Mahnke, Josef Lamprecht, Dieter Horn +3 more |
1987-05-19 |
| 4529686 |
Method for the manufacture of extremely fine structures |
— |
1985-07-16 |
| 4212890 |
Manufacture of pellets from feed meals |
Hubert Tiefenbacher, Guenther Matthias |
1980-07-15 |
