Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490150 | Use of polyoxyalkylated alkyl phenols as dyeing assistants for disperse dyes | — | 1984-12-25 |
| 4196229 | Substituted divinyl stilbenes as optical brighteners | Fritz Fleck | 1980-04-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490150 | Use of polyoxyalkylated alkyl phenols as dyeing assistants for disperse dyes | — | 1984-12-25 |
| 4196229 | Substituted divinyl stilbenes as optical brighteners | Fritz Fleck | 1980-04-01 |