Smerz; Otto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Smerz; Otto.The latest application filed is for "water-dispersible polyester, its preparation, and its use as a hydrophiling agent".
- Smerz; Otto - Kelkheim DE
- Smerz; Otto - Kelkheim/Taunus DT
| Patent | Date |
|---|---|
| Water-dispersible polyester, its preparation, and its use as a hydrophiling agent Grant 4,463,165 - Engelhardt , et al. July 31, 1 | 1984-07-31 |
| Use of alkylpolyglycol-tert.-butyl ether as bleaching auxiliary and bleaching baths containing this agent Grant 4,321,052 - Smerz , et al. March 23, 1 | 1982-03-23 |
| Vat or reactive dyes or mixtures thereof and acrylamide or methylene bis acrylamide in alkaline crosslinking and dyeing Grant 3,873,265 - Kleber , et al. March 25, 1 | 1975-03-25 |
| Process For The Optical Brightening Of Fibrous Materials Of Synthetic Polyamides Or Cellulose Esters Grant 3,619,234 - Weihsbach , et al. November 9, 1 | 1971-11-09 |
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.
| 