John M. Larkin
54Patents
12h-index
45Co-inventors
84Inventor score
Filing activity: Apr 19, 1971 → Jul 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4766245A | Process for the preparation of polyoxyalkylene polyamines | Chemistry; Metallurgy | 63 | Expired |
| US4806517A | Method for making pelleted phosphated catalysts derived from group IVB transition metal oxides and catalysts thus prepared | Performing Operations; Transporting | 38 | Expired |
| US5003107A | Catalytic method for the reductive amination of poly(oxytetramethyle) glycols | Chemistry; Metallurgy | 34 | Expired |
| US4747851A | Novel polyoxyalkylene diamine compound and ori-inhibited motor fuel composition | Chemistry; Metallurgy | 33 | Expired |
| US4434308A | Manufacture of synthetic lubricant additives from internal olefins using boron trifluoride catalysis | Chemistry; Metallurgy | 30 | Expired |
| USD244430S | Display box | General | 26 | Expired |
| US5085793A | Corrosion-inhibited antifreeze/coolant composition | Chemistry; Metallurgy | 24 | Expired |
| US5189233A | Process for the production of cyclohexane by liquid phase hydrogenation of benzene | Chemistry; Metallurgy | 22 | Expired |
| US4810261A | Reaction product additive and ori-inhibited motor fuel composition | Chemistry; Metallurgy | 21 | Expired |
| US5269956A | Compatible corrosion inhibitor combinations | Chemistry; Metallurgy | 14 | Expired |
| US4540821A | Aminopolyols from sugars | Chemistry; Metallurgy | 14 | Expired |
| US4705903A | Catalytic decomposition of impurities in tertiary butyl alcohol | Performing Operations; Transporting | 13 | Expired |
| US4417082A | Thermal treatment of olefin oligomers via a boron trifluoride process to increase their molecular weight | Chemistry; Metallurgy | 12 | Expired |
| US4434309A | Oligomerization of predominantly low molecular weight olefins over boron trifluoride in the presence of a protonic promoter | Chemistry; Metallurgy | 12 | Expired |
| US5191139A | Process for oligomerizing olefins using sulfate-activated group IV oxides | Chemistry; Metallurgy | 12 | Expired |
| US4395578A | Oligomerization of olefins over boron trifluoride in the presence of a transition metal cation-containing promoter | Chemistry; Metallurgy | 12 | Expired |
| US4420647A | Semi-synthetic lubricating oil composition | Chemistry; Metallurgy | 10 | Expired |
| US5616811A | Etheramine alkoxylates | Chemistry; Metallurgy | 10 | Expired |
| US4069226A | Preparation of acylisoxazolines | Chemistry; Metallurgy | 8 | Expired |
| US4873380A | Catalyst for removing peroxide contaminants from tertiary butyl alcohol | Chemistry; Metallurgy | 8 | Expired |
| US5099073A | Catalytic process for the production of diketone derivatives of polyoxypropylene glycols | Chemistry; Metallurgy | 8 | Expired |
| US6063145A | Fuel compositions containing etheramine alkoxylates | Chemistry; Metallurgy | 7 | Expired |
| US4146560A | Catalyst pellet stabilization in the preparation of polyamines from polynitriles | Chemistry; Metallurgy | 7 | Expired |
| US4978785A | Oxidation of polyoxypropylene glycols to acids and ketones | Chemistry; Metallurgy | 7 | Expired |
| US4992590A | Polyamines by amination of polyamino initiated polyoxyalkylene glycols | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.