Kuhlmann; Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kuhlmann; Robert.The latest application filed is for "efficient matting agents based on precipitated silicas".
- Kuhlmann; Robert - Erftstadt DE
- Kuhlmann; Robert - Erfstadt DE
- Kuhlmann; Robert - Keldenich DT
| Patent | Date |
|---|---|
| Efficient matting agents based on precipitated silicas Grant 8,012,253 - Schubert , et al. September 6, 2 | 2011-09-06 |
| Silica by precipitation at constant alkali number, and its use Grant 7,871,588 - Lindner , et al. January 18, 2 | 2011-01-18 |
| Efficient Matting Agents Based On Precipitated Silicas App 20100288164 - SCHUBERT; Juergen ; et al. | 2010-11-18 |
| Efficient Matting Agents Based On Precipitated Silicas App 20090101866 - SCHUBERT; Juergen ; et al. | 2009-04-23 |
| Efficient matting agents based on precipitated silicas Grant 7,488,382 - Schubert , et al. February 10, 2 | 2009-02-10 |
| Precipitated Silica App 20070208127 - Esch; Heinz ; et al. | 2007-09-06 |
| High-structure precipitated silicas Grant 7,204,969 - Kuhlmann , et al. April 17, 2 | 2007-04-17 |
| Silica and silicate by precipitation at constant alkali number, and its use Grant 7,097,818 - Lindner , et al. August 29, 2 | 2006-08-29 |
| Precipitated silicas Grant 7,071,257 - Esch , et al. July 4, 2 | 2006-07-04 |
| Precipitated silica App 20050282951 - Esch, Heinz ; et al. | 2005-12-22 |
| Precipitated silicas Grant 6,977,065 - Esch , et al. December 20, 2 | 2005-12-20 |
| Silica and silicate by precipitation at constant alkali number, and its use App 20050137317 - Lindner, Gottlieb-Georg ; et al. | 2005-06-23 |
| Efficient matting agents based on precipitated silicas App 20040047792 - Schubert, Juergen ; et al. | 2004-03-11 |
| Silica and silicate by precipitation at constant alkali number, and its use App 20030003040 - Lindner, Gottlieb-Georg ; et al. | 2003-01-02 |
| Precipitated silicas App 20020169248 - Esch, Heinz ; et al. | 2002-11-14 |
| High-structure precipitated silicas App 20020102198 - Kuhlmann, Robert ; et al. | 2002-08-01 |
| Precipitated silicas which contain an active substance Grant 6,214,383 - Esch , et al. April 10, 2 | 2001-04-10 |
| Precipitated silicas Grant 5,925,708 - Esch , et al. July 20, 1 | 1999-07-20 |
| Precipitated silica Grant 5,871,867 - Rausch , et al. February 16, 1 | 1999-02-16 |
| Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures Grant 5,859,117 - Goerl , et al. January 12, 1 | 1999-01-12 |
| Precipitated silicas Grant 5,846,506 - Esch , et al. December 8, 1 | 1998-12-08 |
| Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures Grant 5,705,137 - Goerl , et al. January 6, 1 | 1998-01-06 |
| Process for the production of precipitated silica Grant 5,484,581 - Esch , et al. January 16, 1 | 1996-01-16 |
| Precipitated silicas and process for their production and use Grant 5,110,574 - Reinhardt , et al. May 5, 1 | 1992-05-05 |
| Process for preparing precipitated silica Grant 4,857,289 - Nauroth , et al. August 15, 1 | 1989-08-15 |
| Cerium containing precipitated silica, process for its production Grant 4,360,388 - Nauroth , et al. November 23, 1 | 1982-11-23 |
| Precipitated silicic acid, method and compositions containing same Grant 4,308,074 - Nauroth , et al. December 29, 1 | 1981-12-29 |
| Precipitated silicic acid, method and compositions containing same Grant 4,273,589 - Nauroth , et al. June 16, 1 | 1981-06-16 |
| Hydrophobic precipitated silicic acid and compositions containing same Grant 4,208,316 - Nauroth , et al. June 17, 1 | 1980-06-17 |
| Organically modified silicic acids and silicates for delustering lacquers Grant 4,038,224 - Eisenmenger , et al. July 26, 1 | 1977-07-26 |
| Process For The Production Of Organically Modified Silicic Acids And Silicates Grant 3,607,337 - Eisenmenger , et al. September 21, 1 | 1971-09-21 |
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