Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859354 | Nitrogen-containing additives for non-aqueous functional fluids | Emyr Phillips, Robert M. O'Neil | 1989-08-22 |
| 4847457 | Methylphosphonic acid amine salt lubricant additives | Klaus Muller | 1989-07-11 |
| 4835310 | Reaction products of bisglycidyl thioethers | Rainer Schneider, Hans-Helmut Friedrich | 1989-05-30 |
| 4830770 | Hydraulic fluid compositions, novel glucamine derivatives and complex compounds containing same | Hans-Helmut Friedrich | 1989-05-16 |
| 4808755 | Lubricant compositions, novel glucamine derivatives and complex compounds containing same | Hans-Helmut Friedrich | 1989-02-28 |
| 4778612 | Boric acid complexes | Rolf Schumacher, Klaus Muller | 1988-10-18 |
| 4772405 | Lubricant compositions which contain sulfur-containing phenol derivatives, and novel sulfur-containing phenol derivatives | — | 1988-09-20 |
| 4762628 | Nitrogen-containing additives for non-aqueous functional fluids | Emyr Phillips, Robert M. O'Neil | 1988-08-09 |
| 4743640 | Alpha, beta-unsaturated carbonyl-containing carbonate stabilizers for chlorinated polymers | Klaus-Peter Michaelis | 1988-05-10 |
| 4737300 | Additives for materials | Hans-Helmut Friedrich | 1988-04-12 |
| 4732691 | Lubricant compositions, novel glucamine derivatives and complex compounds containing same | Hans-Helmut Friedrich | 1988-03-22 |
| 4689162 | Boron-containing compounds | Klaus Muller, Hans-Helmut Friedrich | 1987-08-25 |
| 4656209 | Chlorinated thermoplastics stabilized with aminouracils | Wolfgang Wehner | 1987-04-07 |
| 4425278 | Complex compounds, process for their preparation, and their use | Hans-Helmut Friedrich | 1984-01-10 |
| 4404408 | Complexed compounds, processes for their manufacture and their use | Hans-Helmut Friedrich | 1983-09-13 |
| 4396552 | Novel metal mercaptides of esters of .beta.-mercaptoalkanols | Gerrit Knobloch, Wolfgang Wehner | 1983-08-02 |
| 4385147 | Stabilization of chlorine-containing thermoplastics with m-aminophenol derivatives | Jurgen Bussing, Hans-Helmut Friedrich | 1983-05-24 |
| 4369277 | Pyrrole-stabilized chlorine-containing thermoplastics | Jurgen Bussing, Hans-Helmut Friedrich | 1983-01-18 |
| 4369276 | Pyrrole stabilizers for chlorine-containing thermoplastics | Jurgen Bussing, Hans-Helmut Friedrich | 1983-01-18 |
| 4336148 | Complex compound, process for their preparation, and their use | Hans-Helmut Friedrich | 1982-06-22 |
| 4327000 | Stabilizer mixtures for stabilizing chlorinated thermoplastics | Horst Muller | 1982-04-27 |
| 4290940 | Pyrrole stabilizers for chlorine-containing thermoplastics | Jurgen Bussing, Hans-Helmut Friedrich | 1981-09-22 |
| 4279761 | Mixture of di- or trithiophosphoric acid diesters, processes for producing it and its use | Klaus-Peter Michaelis | 1981-07-21 |
| 4246127 | Additives for lubricants | Klaus-Peter Michaelis | 1981-01-20 |
| 4245125 | Novel adducts | Hans-Helmut Friedrich | 1981-01-13 |