Hemel; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hemel; Ralf.The latest application filed is for "method for producing paper, paperboard and cardboard".
- Hemel; Ralf - Worms N/A DE
- Hemel; Ralf - Ludwigshafen DE
| Patent | Date |
|---|---|
| Method for producing paper, paperboard and cardboard Grant 8,486,227 - Esser , et al. July 16, 2 | 2013-07-16 |
| Method For Producing Paper, Paperboard And Cardboard App 20130014908 - Esser; Anton ; et al. | 2013-01-17 |
| Polymer-pigment hybrids for use in papermaking Grant 8,343,312 - Mahr , et al. January 1, 2 | 2013-01-01 |
| Method for producing paper, paperboard and cardboard Grant 8,337,665 - Esser , et al. December 25, 2 | 2012-12-25 |
| Polymer-Pigment Hybrids For Use in Papermaking App 20080210394 - Mahr; Norbert ; et al. | 2008-09-04 |
| Production of paper, board and cardboard Grant 7,306,701 - Blum , et al. December 11, 2 | 2007-12-11 |
| Method for producing paper, paperboard and cardboard App 20070181274 - Esser; Anton ; et al. | 2007-08-09 |
| Production of paper, board and cardboard App 20050247420 - Blum, Rainer ; et al. | 2005-11-10 |
| Production of paper board and cardboard App 20050061461 - Linhart, Friedrich ; et al. | 2005-03-24 |
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