Margaret M. Wu
109Patents
26h-index
101Co-inventors
93Inventor score
Filing activity: Dec 14, 1978 → Jun 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4827064A | High viscosity index synthetic lubricant compositions | Chemistry; Metallurgy | 265 | Expired |
| US4827073A | Process for manufacturing olefinic oligomers having lubricating properties | Chemistry; Metallurgy | 214 | Expired |
| US4969522A | Polymer-coated support and its use as sand pack in enhanced oil recovery | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4990709A | C2-C5 olefin oligomerization by reduced chromium catalysis | Chemistry; Metallurgy | 72 | Expired |
| US4926004A | Regeneration of reduced supported chromium oxide catalyst for alpha-olefin oligomerization | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4967032A | Process for improving thermal stability of synthetic lubes | Chemistry; Metallurgy | 57 | Expired |
| US5243114A | Oligomerization of alpha-olefins over layered silicate compositions containing pillars of silica and group VIB metal oxide | Performing Operations; Transporting | 54 | Expired |
| US4912272A | Lubricant blends having high viscosity indices | Chemistry; Metallurgy | 52 | Expired |
| US5264642A | Molecular weight control of olefin oligomers | Chemistry; Metallurgy | 49 | Expired |
| US5012020A | Novel VI enhancing compositions and Newtonian lube blends | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6087307A | Polyether fluids miscible with non-polar hydrocarbon lubricants | Chemistry; Metallurgy | 46 | Expired |
| US5105038A | Synthetic polyolefin lubricant blends | Chemistry; Metallurgy | 46 | Expired |
| US5208403A | High VI lubricant blends from slack wax | Chemistry; Metallurgy | 43 | Expired |
| US5294578A | Supported acid catalysts, their preparation and use in organic compound conversion | Chemistry; Metallurgy | 43 | Expired |
| US5113030A | High viscosity index lubricant compositions | Chemistry; Metallurgy | 43 | Expired |
| US4990711A | Synthetic polyolefin lubricant blends having high viscosity indices | Chemistry; Metallurgy | 42 | Expired |
| US5079385A | Conversion of plastics | Chemistry; Metallurgy | 39 | Expired |
| US5146022A | High VI synthetic lubricants from cracked slack wax | Chemistry; Metallurgy | 37 | Expired |
| US5254274A | Alkylaromatic lubricant fluids | Chemistry; Metallurgy | 33 | Expired |
| US5136118A | High VI synthetic lubricants from cracked refined wax | Chemistry; Metallurgy | 31 | Expired |
| US5132478A | Alkylaromatic lubricant fluids | Chemistry; Metallurgy | 30 | Expired |
| US5498743A | Process for producing dialkylcarbonates | Chemistry; Metallurgy | 30 | Expired |
| US5306851A | High viscosity index lubricant fluid | Chemistry; Metallurgy | 29 | Expired |
| US5146021A | VI enhancing compositions and Newtonian lube blends | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4962249A | High VI lubricants from lower alkene oligomers | Chemistry; Metallurgy | 27 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.