Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441016 | Wood preservatives | Hans-Volker Borck | 2002-08-27 |
| 6352583 | Wood preservative for subsequent application | Wendelin Hettler, Michael Breuer, Hans-Peter Seelmann-Eggebert | 2002-03-05 |
| 6211218 | Wood preservative | Reiner Kober, Uwe Kardorff | 2001-04-03 |
| 6110263 | Timber preserving agent for maintenance purposes | Wendelin Hettler, Michael Breuer, Hans-Peter Seelmann-Eggebert | 2000-08-29 |
| 5880143 | Wood preservative | Reiner Kober, Uwe Kardorff | 1999-03-09 |
| 5853766 | Wood preservatives | Hans-Volker Borck | 1998-12-29 |
| 5635217 | Wood preservatives | Hans-Volker Borck | 1997-06-03 |
| 5444093 | Wood preservatives | Hans-Volker Borck | 1995-08-22 |
| 5276029 | Wood preservative compositions having activity against termites and fungi | Hans-Volker Borck | 1994-01-04 |
| 5186947 | Wood preservative based on polymeric nitrogen compounds and metal-fixing acids | Wolfgang Reuther | 1993-02-16 |
| 5187194 | Wood preservatives containing polymeric nitrogen compounds | Wolfgang Reuther | 1993-02-16 |
| 5179116 | Wood preservatives | Hans-Volker Borck, Hans-Norbert Marx | 1993-01-12 |
| 5078912 | Wood preservative | Hans-Norbert Marx, Wendelin Hettler, Richard Stanek, Hans-Peter Heidenreich | 1992-01-07 |
| 5021459 | Wood preservatives | — | 1991-06-04 |
| 4908362 | Salt of a substituted morpholine with fluoboric acid, fungicidal composition and use | Hans-Norbert Marx | 1990-03-13 |
| 4871473 | Wood preservative | Hans-Norbert Marx | 1989-10-03 |
| 4857322 | Wood preservative | Hans-Norbert Marx, Wendelin Hettler | 1989-08-15 |
| 4764214 | Wood preservatives containing 2-iodobenzanilide | Hans-Norbert Marx, Werner Klein | 1988-08-16 |
| 4761179 | Wood preservatives | Hans-Norbert Marx | 1988-08-02 |
| 4759872 | Wood preservatives | Hans-Norbert Marx, Wendelin Hettler | 1988-07-26 |
| 4461721 | Wood preservative | Hans-Norbert Marx | 1984-07-24 |