Kempter; Peter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kempter; Peter.The latest application filed is for "synthesis of triphenodioxazine pigments".
- Kempter; Peter - Moehlin CH
- Kempter; Peter - Bad Soden DE
- Kempter; Peter - Lorrach DE
| Patent | Date |
|---|---|
| Synthesis Of Triphenodioxazine Pigments App 20110098466 - Kempter; Peter ; et al. | 2011-04-28 |
| C.I. pigment blue 80-based blue dye Grant 7,686,883 - Kempter , et al. March 30, 2 | 2010-03-30 |
| C.I. Pigment Blue 80-Based Blue Dye App 20090121202 - Kempter; Peter ; et al. | 2009-05-14 |
| Mixed crystals of benzimidazolonedioxazine compounds Grant 6,762,299 - Schmidt , et al. July 13, 2 | 2004-07-13 |
| Process for preparing new crystal polymorphs of a methyl-substituted benzimidazolone-dioxazine pigment Grant 6,620,931 - Schmidt , et al. September 16, 2 | 2003-09-16 |
| Triphendioxazine compounds Grant 6,617,453 - Kaul , et al. September 9, 2 | 2003-09-09 |
| Process for preparing new crystal polymorphs of a methyl-substituted benzimidazolone-dioxazine pigment App 20020123626 - Schmidt, Martin U. ; et al. | 2002-09-05 |
| Mixed crystals of benzimidazolonedioxazine compounds App 20020091258 - Schmidt, Martin U. ; et al. | 2002-07-11 |
| Triphendioxazine Grant 6,162,261 - Kempter , et al. December 19, 2 | 2000-12-19 |
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.
| 