Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471884 | Method for polishing a memory or rigid disk with an amino acid-containing composition | Shumin Wang | 2002-10-29 |
| 6468137 | Method for polishing a memory or rigid disk with an oxidized halide-containing polishing system | Shumin Wang | 2002-10-22 |
| 6461227 | Method of polishing a memory or rigid disk with an ammonia-and/or halide-containing composition | — | 2002-10-08 |
| 6347978 | Composition and method for polishing rigid disks | Christopher C. Streinz, Shumin Wang | 2002-02-19 |