Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539338 | Phenol formaldehyde resoles for making phenolic foam | John D. Carlson, Edward W. Kifer, James P. Colton | 1985-09-03 |
| 4478958 | Method for preparing phenolic foams using anhydrous aryl sulfonic acid catalysts | John D. Carlson, Edward W. Kifer, James P. Colton | 1984-10-23 |
| 4444912 | Phenolic foam and composition and method for preparing the same | John D. Carlson, Edward W. Kifer, James P. Colton | 1984-04-24 |