Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692472 | Divinylbenzene in expandable beads for cup molding | Alvin R. Ingram | 1987-09-08 |
| 4675363 | Process for producing modified styrenic polymer beads | — | 1987-06-23 |
| 4673694 | Higher molecular weight thermoplastics having multimodal molecular weight distribution | Bernard H. Meyer, Joseph C. Kinslow, Dennis M. Hajnik | 1987-06-16 |
| 4670513 | Producing modified styrenic polymer beads | — | 1987-06-02 |
| 4665103 | Process for producing modified styrenic polymer beads for high strength foamed articles | — | 1987-05-12 |
| 4663357 | Higher molecular weight thermoplastics having multimodal molecular weight distribution | Bernard H. Meyer, Joseph C. Kinslow, Dennis M. Hajnik | 1987-05-05 |
| 4661386 | High strength foamed articles | — | 1987-04-28 |
| 4661564 | Modified styrenic polymer beads | — | 1987-04-28 |
| 4659600 | High strength foamed articles | — | 1987-04-21 |
| 4659745 | Process for producing modified styrenic polymer beads for high strength foamed articles | — | 1987-04-21 |
| 4652609 | Modified styrenic polymer beads | — | 1987-03-24 |
| 4626554 | Process for producing modified styrenic polymer beads for high strength foamed articles | — | 1986-12-02 |
| 4622346 | Process for producing modified styrenic polymer beads for high strength foamed articles | — | 1986-11-11 |
| 4439547 | Anti-lumping and fast-cool vinyl aromatic expandable polymer particles | — | 1984-03-27 |
| 4430449 | Fast-cool vinyl aromatic expandable polymers | — | 1984-02-07 |
| 4424285 | Process for forming fast-cool vinyl aromatic expandable polymers | — | 1984-01-03 |
| 4423160 | Process for forming anti-lumping and fast-cool vinyl aromatic expandable polymer particles | — | 1983-12-27 |
| 4409338 | Process for forming fast-cool vinyl aromatic expandable polymers | — | 1983-10-11 |
| 4407979 | Process for forming fast-cool vinyl aromatic expandable polymers | — | 1983-10-04 |
| 4385156 | Process for producing coated styrenic polymer beads for heat resistant foams | Alvin R. Ingram, Harold A. Wright, Walter O. Pillar, Kenneth D. Thom | 1983-05-24 |
| 4326044 | Fire-retardant monocarboxylic acid copolymers | Jack N. Bauer | 1982-04-20 |
| 4323655 | Rubber-modified fire-retardant anhydride copolymers | Jack N. Bauer | 1982-04-06 |
| 4312958 | Fire-retardant, rubber-modified, monocarboxylic acid copolymers | Jack N. Bauer | 1982-01-26 |
| 4304874 | Fire-retardant anhydride copolymers | Jack N. Bauer | 1981-12-08 |
| 4298703 | Fire-retardant imide copolymers | Jack N. Bauer | 1981-11-03 |