Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479911 | Composition and method for polishing memory hard disks exhibiting reduced edge roll off | — | 2019-11-19 |
| 10315285 | CMP composition and method for polishing rigid disks | Tong Li, Michael White, Ke Zhang | 2019-06-11 |