Ehlers; Stephan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ehlers; Stephan.The latest application filed is for "process for the preparation of aqueous formaldehyde solutions".
- Ehlers; Stephan - Dusseldorf DE
- Ehlers; Stephan - West Chester PA
- Ehlers, Stephan - Koln DE
- Ehlers; Stephan - Leverkusen DE
- Ehlers; Stephan - Newtown Square PA
- Ehlers, Stephan - Newton Square PA
| Patent | Date |
|---|---|
| Process For The Preparation Of Aqueous Formaldehyde Solutions App 20100137450 - Muller; Heniz-Herbert ; et al. | 2010-06-03 |
| Double metal cyanide catalysts for producing polyether polyols Grant 6,919,293 - Ooms , et al. July 19, 2 | 2005-07-19 |
| Process for the preparation of DMC catalysts App 20050027145 - Hofmann, Jorg ; et al. | 2005-02-03 |
| Method for producing double metal cyanide (DMC) catalysts Grant 6,835,687 - Hofmann , et al. December 28, 2 | 2004-12-28 |
| Static micromixer Grant 6,802,640 - Schubert , et al. October 12, 2 | 2004-10-12 |
| Process for producing DMC catalysts Grant 6,780,813 - Hofmann , et al. August 24, 2 | 2004-08-24 |
| Process for the preparation of polyether polyols Grant 6,776,925 - Hofmann , et al. August 17, 2 | 2004-08-17 |
| Processes for preparing ethylene oxide-capped polyols App 20040064001 - Ehlers, Stephan ; et al. | 2004-04-01 |
| Process for producing polyether polyols Grant 6,670,406 - Hofmann , et al. December 30, 2 | 2003-12-30 |
| Method for producing double metal cyanide (dmc) catalysts App 20030158449 - Hofmann, Jorg ; et al. | 2003-08-21 |
| Process for producing polyether polyols App 20020198278 - Hofmann, Jorg ; et al. | 2002-12-26 |
| Method for preparing polyether polyols Grant 6,486,361 - Ehlers , et al. November 26, 2 | 2002-11-26 |
| Static micromixer App 20020057627 - Schubert, Klaus ; et al. | 2002-05-16 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 