Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990203 | Method for improving the compatibility of random vinyl substituted aromatic/C.sub.4 -C.sub.6 conjugated diolefin polymer/asphalt mixtures | John Cheng, Heinz Plaumann, Koichi Takamura, Wai-chun Richard Liu | 1999-11-23 |