Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351814 | Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof | Shigeo Miyata | 1982-09-28 |
| 4339360 | Particles of activated oxidized polysaccharide substance coated with inactive protective layer and method for manufacture thereof | Toshimi Shimizu, Shoei Fujishige | 1982-07-13 |