Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7635668 | Hydraulic composition containing a substantially nitrogen free dispersant | — | 2009-12-22 |
| 4417990 | Mixed metal salts/sulfurized phenate compositions and lubricants and functional fluids containing them | Calvin W. Schroeck | 1983-11-29 |
| 4308154 | Mixed metal salts and lubricants and functional fluids containing them | Calvin W. Schroeck | 1981-12-29 |
| 4263150 | Phosphite treatment of phosphorus acid salts and compositions produced thereby | Calvin W. Schroeck | 1981-04-21 |
| 4200545 | Amino phenol-detergent/dispersant combinations and fuels and lubricants containing same | John F. Pindar, Jerome M. Cohen | 1980-04-29 |