Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085681 | Low gloss ionomer-based capstock | Thomas Majewski, Hari Rajaraman | 2015-07-21 |
| 8629203 | Rigid biofiber thermoplastic composite and articles made therefrom | Sang Lee | 2014-01-14 |
| 7238739 | Use of calcium carbonate in rigid poly(vinyl chloride) compositions | Peter Krause, Michel Levesque | 2007-07-03 |
| 5536462 | High output twin screw extrusion process | — | 1996-07-16 |
| 5496630 | Thermoplastic multilayer louver with a polished metal look | Karl Lakstigala, Aslim A. Asgaralli | 1996-03-05 |
| 5198170 | Method for extrusion of powered PVC compounds | — | 1993-03-30 |
| 4957983 | Method for providing improved colloidal stability and polyvinyl chloride using a hot charge polymerization procedure with emulsifier package | Richard A. Widdifield | 1990-09-18 |
| 4757091 | Skinless porous particle PVC resin and process for producing same | — | 1988-07-12 |
| 4757092 | Skinless porous particle PVC resin and process for producing same | — | 1988-07-12 |
| 4755539 | Skinless porous particle PVC resin and process for producing same | — | 1988-07-05 |
| 4755538 | Skinless porous particle PVC resin and process for producing same | — | 1988-07-05 |
| 4727091 | Process for producing porous spherical polyvinyl chloride particles | — | 1988-02-23 |
| 4711908 | Skinless porous particle PVC resin and process for producing same | — | 1987-12-08 |
| 4684668 | Process for producing porous spherical polyvinyl chloride particles | — | 1987-08-04 |
| 4668707 | Process for producing porous spherical polyvinyl chloride particles | — | 1987-05-26 |