Luhmann; Erhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Luhmann; Erhard.The latest application filed is for "radiation-curable whipped foams".
- Luhmann; Erhard - Bomlitz N/A DE
- Luhmann; Erhard - Leverkusen DE
| Patent | Date |
|---|---|
| Radiation-curable whipped foams Grant 9,321,893 - Sommer , et al. April 26, 2 | 2016-04-26 |
| Radiation-curable Whipped Foams App 20120329895 - Sommer; Stefan ; et al. | 2012-12-27 |
| N-methylpyrrolidone-free polyurethane dispersions based on dimethylolpropionic acid App 20060240264 - Gertzmann; Rolf ; et al. | 2006-10-26 |
| Radiation-curing coating compositions Grant 6,960,639 - Weikard , et al. November 1, 2 | 2005-11-01 |
| Glass fiber reinforced plastics App 20040195731 - Rische, Thorsten ; et al. | 2004-10-07 |
| Polyurethane dispersions based on fatty acid dialkanolamides Grant 6,710,120 - Gertzmann , et al. March 23, 2 | 2004-03-23 |
| Radiation-curing coating compositions App 20040006152 - Weikard, Jan ; et al. | 2004-01-08 |
| Polyurethane dispersions based on fatty acid dialkanolamides App 20030191273 - Gertzmann, Rolf ; et al. | 2003-10-09 |
| Polyurethane dispersions Grant 6,541,536 - Weikard , et al. April 1, 2 | 2003-04-01 |
| Aqueous polyurethane emulsions Grant 6,521,702 - Weikard , et al. February 18, 2 | 2003-02-18 |
| Aqueous 2-component PU systems App 20020143101 - Probst, Joachim ; et al. | 2002-10-03 |
| Polyurethane dispersions App 20010038918 - Weikard, Jan ; et al. | 2001-11-08 |
| Bonding agent preparations for paints, the production and use thereof Grant 6,274,653 - Hecht , et al. August 14, 2 | 2001-08-14 |
| Radiation-curable, aqueous dispersions, production and use thereof Grant 5,684,081 - Dannhorn , et al. November 4, 1 | 1997-11-04 |
| Cellulose ester/polymer combinations, and their preparation and use Grant 5,011,874 - Hoppe , et al. April 30, 1 | 1991-04-30 |
| Aqueous cellulose ester dispersions and their preparation Grant 4,970,247 - Hoppe , et al. November 13, 1 | 1990-11-13 |
| Polymerizable water soluble binders Grant 4,933,428 - Piepho , et al. June 12, 1 | 1990-06-12 |
| Aqueous dispersions based on cellulose nitrates, a process for their production and their use as quick-hardening coatings Grant 4,772,329 - Luhmann , et al. September 20, 1 | 1988-09-20 |
| Viscous cellulose-containing mixture (paste) and a process for the production of aqueous coating emulsions therefrom Grant 4,517,324 - Luhmann , et al. May 14, 1 | 1985-05-14 |
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