Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795506 | Process for after-treatment of metals using 2,2-bis(4-hydroxyphenyl)alkyl poly derivatives | — | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795506 | Process for after-treatment of metals using 2,2-bis(4-hydroxyphenyl)alkyl poly derivatives | — | 1989-01-03 |