Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9062273 | Lubricating oil compositions containing titanium complexes | Elaine S. Yamaguchi, Man Hon Tsang | 2015-06-23 |
| 8980806 | Preparation of a post-treated molybdenum amide additive composition and lubricating oil compositions containing same | Man Hon Tsang | 2015-03-17 |
| 8969265 | Lubricating oil compositions | Elaine S. Yamaguchi, Man Hon Tsang | 2015-03-03 |
| 8709984 | Lubricating oil compositions | Elaine S. Yamaguchi, Man Hon Tsang | 2014-04-29 |
| 8623798 | Lubricating oil compositions containing a tetraalkyl-napthalene-1,8 diamine antioxidant | Richard E. Cherpeck, Carrie Y. Chan | 2014-01-07 |
| 8183189 | Preparation of a sulfurized molybdenum amide complex and additive compositions having low residual active sulfur | Qunlai Chen, Man Hon Tsang, William R. Ruhe, Jr. | 2012-05-22 |