ECKSTEIN, UDO
Patent Applications and Registrations
Patent applications and USPTO patent grants for ECKSTEIN, UDO.The latest application filed is for "whitened polymers and the use thereof in coating slips for coating substrates".
- ECKSTEIN, UDO - KOLN DE
- Eckstein; Udo - Cologne DE
- Eckstein; Udo - Koeln DE
| Patent | Date |
|---|---|
| Whitened Polymers And The Use Thereof In Coating Slips For Coating Substrates App 20010009938 - ECKSTEIN, UDO ; et al. | 2001-07-26 |
| Triarylmethane color-forming agents Grant 5,094,688 - Eckstein , et al. March 10, 1 | 1992-03-10 |
| Highly concentrated stable solutions of color-forming agents: for pressure-sensitive recording materials Grant 4,783,196 - Eckstein , et al. November 8, 1 | 1988-11-08 |
| Dyestuff laser Grant 4,670,882 - Telle , et al. June 2, 1 | 1987-06-02 |
| Water-insoluble azolystyryl optical brighteners Grant 4,510,311 - Eckstein April 9, 1 | 1985-04-09 |
| Triazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffs Grant 4,326,066 - Eckstein , et al. April 20, 1 | 1982-04-20 |
| Distyryl compounds Grant 4,317,782 - Eckstein , et al. March 2, 1 | 1982-03-02 |
| Fluorescent dyestuffs Grant 4,166,176 - Eckstein , et al. August 28, 1 | 1979-08-28 |
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.
| 