Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488433 | Thermal stabilizer compositions for halogen-containing vinyl polymers | — | 2009-02-10 |
| 6462116 | Combination of an organothio compound and a zinc mercapto ester as a heat stabilizer in PVC processing | George F. Beekman, Keith A. Mesch | 2002-10-08 |
| 5866625 | PVC foam compositions | George F. Beekman | 1999-02-02 |
| 5786399 | PVC foam compositions | George F. Beekman | 1998-07-28 |
| 5783613 | PVC foam compositions | George F. Beekman | 1998-07-21 |
| 5753719 | PVC foam compositions | George F. Beekman | 1998-05-19 |
| 5726213 | PVC foamed compositions | George F. Beekman | 1998-03-10 |
| 5710188 | PVC foam compositions | George F. Beekman | 1998-01-20 |
| 5536767 | Polyol esters of zinc mercaptoacids as heat stabilizers for PVC processing | George F. Beekman, Keith A. Mesch | 1996-07-16 |
| 5332772 | Combination heat stabilizer/lubricant for PVC processing and method for producing the same | George F. Beekman, Keith A. Mesch | 1994-07-26 |