loadpatents
Patent applications and USPTO patent grants for Wedemeyer; Karlfried.The latest application filed is for "process for preparing 1,2-dichlorobenzene".
Patent | Date |
---|---|
Process for preparing 1,2-dichlorobenzene Grant 4,827,057 - Kasbauer , et al. May 2, 1 | 1989-05-02 |
Preparation of 2,4-dichloro-3-alkyl-6-nitrophenols Grant 4,670,608 - Paetz , et al. June 2, 1 | 1987-06-02 |
Process for the preparation of substituted styrenes Grant 4,650,910 - Henneke , et al. March 17, 1 | 1987-03-17 |
Process for the preparation of 2-amino-alkylpyridines Grant 4,628,097 - Le Blanc , et al. December 9, 1 | 1986-12-09 |
Phenoxymethane derivatives for regulating plant growth Grant 4,588,433 - Schmitt , et al. May 13, 1 | 1986-05-13 |
Process for the halogenation of organic compounds Grant 4,489,210 - Judat , et al. December 18, 1 | 1984-12-18 |
Dielectric impregnating fluid and its use Grant 4,410,869 - Klein , et al. October 18, 1 | 1983-10-18 |
Process for the preparation of 4-nitrodiphenylamines Grant 4,404,400 - Heise , et al. September 13, 1 | 1983-09-13 |
Process for the preparation of alkylthiomethylphenols and arylthiomethylphenols Grant 4,358,616 - Wedemeyer , et al. November 9, 1 | 1982-11-09 |
Process for the production of 4-nitroso-diphenylamine Grant 4,034,042 - Wedemeyer , et al. July 5, 1 | 1977-07-05 |
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.