Kristen; Ulrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kristen; Ulrich.The latest application filed is for "stabilized diesel engine oil".
- Kristen; Ulrich - Riehen CH
- Kristen; Ulrich - Rheinfelden CH
| Patent | Date |
|---|---|
| Stabilized diesel engine oil Grant 5,523,007 - Kristen , et al. June 4, 1 | 1996-06-04 |
| Lubricant additive in powder to paste form Grant 4,713,186 - Kristen , et al. December 15, 1 | 1987-12-15 |
| Lubricant compositions containing antioxidants, amine phosphates and 4- (5-) methyl-1-[di-(2-ethylhexyl) aminomethyl]-benzotriazole Grant 4,701,273 - Brady , et al. October 20, 1 | 1987-10-20 |
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