Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631323 | Composition of styrene-acrylonitrile copolymer matrix with particles of graft copolymer and crosslinked copolymer | Norbert Güntherberg, Ekkehard Jahns, Wolfgang Fischer, Graham E. McKee | 1997-05-20 |