Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002698 | Sulfur- and nitrogen-containing lubricant additives | Hermann O. Wirth | 1991-03-26 |
| 4992504 | Ether-containing or thioether-containing 1,3-diketones and the use thereof as stabilizers for chlorine-containing polymers | Hermann O. Wirth | 1991-02-12 |
| 4931576 | Process for producing glycidyl thioethers | Hermann O. Wirth | 1990-06-05 |
| 4886610 | Lubricant compositions, novel glucamine derivatives and complex compounds containing same | Hermann O. Wirth | 1989-12-12 |
| 4863621 | Sulfur-and nitrogen-containing lubricant additives | Hermann O. Wirth | 1989-09-05 |
| 4835310 | Reaction products of bisglycidyl thioethers | Hermann O. Wirth, Rainer Schneider | 1989-05-30 |
| 4830770 | Hydraulic fluid compositions, novel glucamine derivatives and complex compounds containing same | Hermann O. Wirth | 1989-05-16 |
| 4808755 | Lubricant compositions, novel glucamine derivatives and complex compounds containing same | Hermann O. Wirth | 1989-02-28 |
| 4737300 | Additives for materials | Hermann O. Wirth | 1988-04-12 |
| 4732691 | Lubricant compositions, novel glucamine derivatives and complex compounds containing same | Hermann O. Wirth | 1988-03-22 |
| 4689162 | Boron-containing compounds | Hermann O. Wirth, Klaus Muller | 1987-08-25 |
| 4425278 | Complex compounds, process for their preparation, and their use | Hermann O. Wirth | 1984-01-10 |
| 4404408 | Complexed compounds, processes for their manufacture and their use | Hermann O. Wirth | 1983-09-13 |
| 4385147 | Stabilization of chlorine-containing thermoplastics with m-aminophenol derivatives | Hermann O. Wirth, Jurgen Bussing | 1983-05-24 |
| 4369277 | Pyrrole-stabilized chlorine-containing thermoplastics | Hermann O. Wirth, Jurgen Bussing | 1983-01-18 |
| 4369276 | Pyrrole stabilizers for chlorine-containing thermoplastics | Hermann O. Wirth, Jurgen Bussing | 1983-01-18 |
| 4336148 | Complex compound, process for their preparation, and their use | Hermann O. Wirth | 1982-06-22 |
| 4290940 | Pyrrole stabilizers for chlorine-containing thermoplastics | Hermann O. Wirth, Jurgen Bussing | 1981-09-22 |
| 4245125 | Novel adducts | Hermann O. Wirth | 1981-01-13 |