Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030285 | Corrosion inhibiting pigment and a process for the manufacturing thereof | Juan A. Vallvey, Oscar L. Francia | 1991-07-09 |
| 4832749 | Pigment composition | Juan A. Vallvey | 1989-05-23 |
| 4500361 | Process for the preparation of treated lead chromate based pigments | Juan A. Vallvey | 1985-02-19 |