Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871803 | Hot melt adhesives containing an additive derived from epoxy reactive hydrogen containing polymers and compounds and a polyepoxy compound | Pamela M. Klinkenberg, William L. Bunnelle, Keith C. Knutson | 1989-10-03 |
| 4820368 | Thermally stable reactive hot melt urethane adhesive composition having a thermoplastic polymer, a compatible, curing urethane polyalkylene polyol prepolymer and a tackifying agent | Virginia C. Markevka, Elizabeth R. Messman, William L. Bunnelle | 1989-04-11 |
| 4808255 | Thermally stable reactive hot melt urethane adhesive composition having a thermoplastic polymer, a compatible, curing urethane polyester polyol prepolymer and a tackifying agent | Virginia C. Markevka, Elizabeth R. Messman, William L. Bunnelle, Jeffrey M. Swoboda | 1989-02-28 |