Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888688 | Difluoromethoxy-2, 2, 2-trifluoroethane compositions and methods of use | Hans Buchwald, Joachim Hellmann | 1999-03-30 |
| 5674825 | Difluoromethoxy-2,2,2-trifluoroethane compositions and methods of use | Hans Buchwald, Joachim Hellmann | 1997-10-07 |
| 5529618 | Compositions comprising difluoromethoxy-2,2,2-trifluoroethane | Hans Buchwald, Joachim Hellmann | 1996-06-25 |
| 5476603 | Compositions comprising chlorine-free, optionally hydrogen-containing fluorocarbons | Hans Buchwald, Joachim Hellmann | 1995-12-19 |
| 5393442 | Compositions containing 1-chloro-2,2,2-trifluoroethyl defluoromethyl ether | Hans Buchwald, Joachim Hellmann, Pierre Barth-Elemy, Mireille Paulus | 1995-02-28 |
| 5336429 | Virtually constant boiling point compositions based on isoflurane | Pierre Barthelemy, Mireille Paulus, Hans Buchwald, Joachim Hellmann | 1994-08-09 |
| 5304321 | Cleaning compositions, formed of hydrogen-containing fluorochlorohydrocarbons and partially fluorinated alkanols | Hans Buchwald, Andreas Brackmann | 1994-04-19 |
| 5300253 | 1-chloro-2,2,2-trifluoroethyl difluoromethyl ether compositions for removing water from surfaces | Hans Buchwald, Joachim Hellmann, Pierre Barthelemy, Mireille Paulus | 1994-04-05 |
| 5135676 | Cleaning compositions formed of hydrogen-containing fluorochlorohydrocarbons and partially fluorinated alkanols | Hans Buchwald, Andreas Brackmann | 1992-08-04 |
| 5120462 | Dichloropentafluoropropanes and acetone compositions | Hans Buchwald, Andreas Brackmann | 1992-06-09 |
| 5102469 | Dichloropentafluoropropane-containing compositions for removing water from surfaces | Hans Buchwald, Andreas Brackmann | 1992-04-07 |