Dunkerley; John W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dunkerley; John W..The latest application filed is for "asphaltene inhibition".
- Dunkerley; John W. - Belper GB
- Dunkerley; John W. - Derbyshire GB
| Patent | Date |
|---|---|
| Stabilized blends containing friction modifiers Grant 10,190,071 - Delbridge , et al. Ja | 2019-01-29 |
| Asphaltene Inhibition App 20160046855 - Mastrangelo; Antonio ; et al. | 2016-02-18 |
| Stabilized Blends Containing Friction Modifiers App 20160040091 - Delbridge; Ewan E. ; et al. | 2016-02-11 |
| Stabilized blends containing friction modifiers Grant 9,193,934 - Delbridge , et al. November 24, 2 | 2015-11-24 |
| Stabilized blends containing friction modifiers Grant 9,175,241 - Delbridge , et al. November 3, 2 | 2015-11-03 |
| Stabilized blends containing friction modifiers Grant 9,163,196 - Delbridge , et al. October 20, 2 | 2015-10-20 |
| Method of preparing an overbased or neutral detergent Grant 8,470,749 - Seddon , et al. June 25, 2 | 2013-06-25 |
| Stabilized Blends Containing Friction Modifiers App 20130005621 - Delbridge; Ewan E. ; et al. | 2013-01-03 |
| Stabilized Blends Containing Friction Modifiers App 20130005627 - Delbridge; Ewan E. ; et al. | 2013-01-03 |
| Stabilized Blends Containing Friction Modifiers App 20120329691 - Delbridge; Ewan E. ; et al. | 2012-12-27 |
| Method of Preparing an Overbased or Neutral Detergent App 20090203563 - Seddon; Elisa ; et al. | 2009-08-13 |
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