Widder; Rudi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Widder; Rudi.The latest application filed is for "process for preparing n-alkyl ammonium acetonitrile compounds".
- Widder; Rudi - Leiheim DE
- Widder; Rudi - Leimen DE
- Widder; Rudi - Eppelheim DT
| Patent | Date |
|---|---|
| Process for preparing N-alkyl ammonium acetonitrile compounds Grant 6,235,218 - Annen , et al. May 22, 2 | 2001-05-22 |
| Waterproofing leather and skins Grant 4,701,269 - Bay , et al. October 20, 1 | 1987-10-20 |
| Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts Grant 4,695,412 - Balzer , et al. September 22, 1 | 1987-09-22 |
| Purification of alkylglycosides by distillative removal of unconverted alcohols Grant 4,349,669 - Klahr , et al. September 14, 1 | 1982-09-14 |
| Reaction products of sulfonamido-carboxylic acids or carboxamido-carboxylic acids with alkanolamines, and their use as low-foaming corrosion inhibitors Grant 4,344,862 - Widder , et al. August 17, 1 | 1982-08-17 |
| Opacifying agents Grant 4,009,139 - Widder , et al. February 22, 1 | 1977-02-22 |
| Dyeing of polyester fibers Grant 3,989,456 - Vescia , et al. November 2, 1 | 1976-11-02 |
| 2,2-Dimethyl furan-3-carboxylic acid cyclohexylamide Grant 3,862,966 - Distler , et al. January 28, 1 | 1975-01-28 |
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