Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816557 | Removal of caprolactam and oligomers thereof from nylon granules containing same | Claus Cordes | 1989-03-28 |
GP
Gunter Pipper
Overall (1989): #109,396 of 140,708Top 80%
1
Patents 1989