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Patent applications and USPTO patent grants for Frankenfeld; John W..The latest application filed is for "ashless benzotriazole-thiadiazol compounds as anti-oxidant, anti-wear and friction modifiers in lubricants and the lubricants containing such compounds".
Patent | Date |
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Ashless benzotriazole-thiadiazol compounds as anti-oxidant, anti-wear and friction modifiers in lubricants and the lubricants containing such compounds Grant 5,490,946 - Beltzer , et al. February 13, 1 | 1996-02-13 |
Alkylamine substituted benzotriazole containing lubricants having improved oxidation stability and rust inhibition (PNE-530) Grant 5,076,946 - Frankenfeld , et al. December 31, 1 | 1991-12-31 |
Pour depressant Grant 4,634,550 - Feldman , et al. January 6, 1 | 1987-01-06 |
Bacteriostat Soap, Shampoo And Shave Lotion Formulations Grant 3,846,326 - Wright , et al. November 5, 1 | 1974-11-05 |
Fermentation Process For The Production Of High-quality Protein Cells And Nucleic Acids Grant 3,634,194 - Frankenfeld , et al. January 11, 1 | 1972-01-11 |
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