Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609729 | Organosoluble C.sub.3 -C.sub.4 hydroxyalkyl ethyl cellulose ethers | — | 1986-09-02 |
| 4547570 | Process for preparing cellulose ethers | — | 1985-10-15 |
| 4182259 | Apparatus for measuring coating thickness on an applicator roll | Edwin L. Wittbrodt | 1980-01-08 |