Koppers Holdings Inc - Company Profile
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View up-to-date information on Koppers Holdings Inc patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| US20230272285A1 | Application | Heat treatment product by process for increased pitch yields | B01D3/06; B01D3/143; C10C1/16; C10C1/19; C10C3/002; C10C3/06 | August 31, 2023 |
| EP4004147A4 | Search Report | Wärmebehandlungsverfahren und -system für erhöhte pechausbeute | B01D3/06; B01D3/143; C10C1/16; C10C1/19; C10C3/002; C10C3/06 | August 09, 2023 |
| US20230110305A1 | Application | End post gap fill assembly | E01B11/54; E01B11/58 | April 13, 2023 |
| EP4163351A1 | Application | Wärmebehandlungsverfahren und system für erhöhte pechausbeuten | B01D3/06; B01D3/143; C10C1/16; C10C1/19; C10C3/002; C10C3/06 | April 12, 2023 |
| US11624029B2 | Grant | Heat treatment process for increased pitch yields | B01D3/06; B01D3/143; C10C1/16; C10C1/19; C10C3/002; C10C3/06 | April 11, 2023 |
Top Inventors by Filings (Count by publication)
| Name | Count |
|---|
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