Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530382 | Gel purge formulations and methods of cleaning extruders by using the same | — | 2003-03-11 |
| 6514922 | Gel purge formulations and methods of cleaning extruders by using the same | — | 2003-02-04 |
| 6391950 | MABS-based PVC pipe cement | — | 2002-05-21 |
| 6001188 | Substituted pyrrolidone plasticized thermoplastic resin useful as a plastic processing equipment cleaning compound | William C. Walsh, Tom A. Hazenstab | 1999-12-14 |
| 5852083 | Process for making hot melt adhesives using water soluble substituted lactam/polymer solutions as feedstocks | William C. Walsh | 1998-12-22 |
| 5852091 | Solid alcohol-filled PVC pipe cement | William C. Walsh | 1998-12-22 |
| 5698045 | Method of cleaning polymer residues with NMP | William C. Walsh, Lawrence E. James, William P. Monahan | 1997-12-16 |
| 5562794 | Low solvent, thermoplastic polyurethane containing solvent cement | Ulrich Abel, Lawrence E. James | 1996-10-08 |
| 5563193 | Low solvent, thermoplastic polyurethane containing solvent cement | Ulrich Abel, Lawrence E. James | 1996-10-08 |