Randy W. Hall
22Patents
8h-index
15Co-inventors
68Inventor score
Filing activity: Dec 24, 1984 → Dec 18, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5527753A | Functionalized amine initiators for anionic polymerization | Chemistry; Metallurgy | 61 | Expired |
| US5523364A | Functionalized amine initiators for anionic polymerization | Chemistry; Metallurgy | 29 | Expired |
| US5605872A | Functionalized amine initiators for anionic polymerization | Chemistry; Metallurgy | 25 | Expired |
| US5550203A | Functionalized amine initiators for anionic polymerization | Chemistry; Metallurgy | 25 | Expired |
| US5002689A | Preparation of organometallic amide compositions | Chemistry; Metallurgy | 15 | Expired |
| US4595779A | Stable lithium diisopropylamide and method of preparation | Chemistry; Metallurgy | 14 | Expired |
| US5340507A | Catalyzed hydrocarbyllithium process | Chemistry; Metallurgy | 14 | Expired |
| US5332853A | Catalytic alkylation process | Chemistry; Metallurgy | 11 | Expired |
| US5332533A | Alkyllithium process | Chemistry; Metallurgy | 6 | Expired |
| US5493038A | Method of preparation of lithium alkylamides | Chemistry; Metallurgy | 6 | Expired |
| US5320774A | Preparation of organometallic amide compositions | Chemistry; Metallurgy | 6 | Expired |
| US6610859B1 | Protected aminofunctionalized polymerization initiators and methods of making and using same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6121474A | Amine anionic polymerization initiators and functionalized polymers derived therefrom | Chemistry; Metallurgy | 5 | Expired |
| US5726308A | High purity formulations of highly substituted lithium amide bases | Chemistry; Metallurgy | 5 | Expired |
| US5211888A | Catalyzed hydrocarbyllithium process | Chemistry; Metallurgy | 4 | Expired |
| US6891019B2 | Protected aminofunctionalized polymerization initiators and methods of making and using same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6482944B2 | Processes for preparing tertiary aminoalkylorganometallic compounds | Chemistry; Metallurgy | 3 | Expired |
| US5923044A | Lithium dialkylamide and lithium alkylenecycloimide formulations and methods of preparation | Chemistry; Metallurgy | 2 | Expired |
| US6717014B1 | Processes for preparing haloamines and tertiary aminoalkylorganometallic compounds | Chemistry; Metallurgy | 1 | Expired |
| US6060617A | Contaminant free organometallic amide compositions and processes for making same | Chemistry; Metallurgy | 1 | Expired |
| US6770587B1 | Chain extended functionalized initiators and methods of preparing and using the same | Chemistry; Metallurgy | 0 | Expired |
| US6875876B2 | Protected aminofunctionalized polymerization initiators and methods of making and using same | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.