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Inventor: Wilkinson; Robert A.
Address: Newbury, GB
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6605571 |
Oleaginous concentrates |
August 12, 2003 |
| Concentrates for lubricating oil compositions are prepared by blending at elevated temperature: (A) at least one high molecular weight ashless dispersant; and (B) at least one oil-soluble metal detergent; in the presence of (C) at least one metal salt of a dihydrocarbylphosphorodithoic |
| 6310010 |
High molecular weight dispersant compositions and their preparation |
October 30, 2001 |
| Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one surface-active agent comprising a low molecular weight |
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