Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5399281 | Composition with hydrogen-containing fluorochlorohydrocarbons | Hans Buchwald, Andreas Brackmann | 1995-03-21 |
| 5271861 | Fluorochlorohydrocarbon-free cleaning compositions | Hans Buchwald, Andreas Brackmann | 1993-12-21 |
| 5246618 | Cleaning compositions (containing fluorochlorocarbon, C.sub.1 to C.sub.4 alkanol and ethyl or methyl proprionate) | Hans Buchwald, Dieter Singer | 1993-09-21 |
| 5114609 | Cleaning compositions | Hans Buchwald, Dieter Singer | 1992-05-19 |
| 5112517 | Cleaning compositions comprising dichlorotrifluoroethanes and alkanols | Hans Buchwald, Andreas Brackmann | 1992-05-12 |
| 5087285 | Dichloromonofluoroethane compositions | Hans Buchwald | 1992-02-11 |
| 4995908 | Dichlorotrifluoroethane-containing mixtures | Hans Buchwald | 1991-02-26 |
| 4906304 | Difluorotetrachloroethane mixtures and their use in removing waxes | Hans Buchwald, Dieter Singer | 1990-03-06 |
| 4746463 | Process for producing novel products by hydrogen fluoride with esters of fatty acids | Heinz-Rudi Feist, Hans Buchwald, Werner Rudolph | 1988-05-24 |
| 4659493 | Process for producing novel products by hydrogen fluoride with esters of fatty acids | Heinz-Rudi Feist, Hans Buchwald, Werner Rudolph | 1987-04-21 |
| 4492641 | Process for the chip forming, cutting or abrasive working of metals | Hans Buchwald | 1985-01-08 |