Todd Werpy
32Patents
14h-index
41Co-inventors
81Inventor score
Filing activity: Mar 28, 1995 → May 12, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6841085B2 | Hydrogenolysis of 6-carbon sugars and other organic compounds | Emerging Cross-Sectional Technologies | 122 | Expired |
| US6291725A | Catalysts and process for hydrogenolysis of sugar alcohols to polyols | Chemistry; Metallurgy | 84 | Expired |
| US5652192A | Catalyst material and method of making | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6670300B2 | Textured catalysts, methods of making textured catalysts, and methods of catalyzing reactions conducted in hydrothermal conditions | Performing Operations; Transporting | 58 | Expired |
| US6479713B1 | Hydrogenolysis of 5-carbon sugars, sugar alcohols, and other methods and compositions for reactions involving hydrogen | Emerging Cross-Sectional Technologies | 58 | Expired |
| US7038094B2 | Hydrogenolysis of 5-carbon sugars, sugar alcohols, and methods of making propylene glycol | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6570043B2 | Converting sugars to sugar alcohols by aqueous phase catalytic hydrogenation | Performing Operations; Transporting | 36 | Expired |
| US7199250B2 | Process for producing cyclic compounds | Chemistry; Metallurgy | 35 | Expired |
| US6677385B2 | Hydrogenolysis of 5-carbon sugars, sugar alcohols and compositions for reactions involving hydrogen | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7186668B2 | Textured catalysts and methods of making textured catalysts | Performing Operations; Transporting | 28 | Expired |
| US6982328B2 | Methods of producing compounds from plant material | Chemistry; Metallurgy | 28 | Expired |
| US6235797A | Ruthenium on rutile catalyst, catalytic system, and method for aqueous phase hydrogenations | Chemistry; Metallurgy | 25 | Expired |
| US7652131B2 | Methods of producing compounds from plant materials | Chemistry; Metallurgy | 18 | Expired |
| US7615652B2 | Two-stage dehydration of sugars | Chemistry; Metallurgy | 16 | Active |
| US7994347B2 | Hydroxymethylfurfural reduction methods and methods of producing furandimethanol | Chemistry; Metallurgy | 11 | Active |
| US7649099B2 | Method of forming a dianhydrosugar alcohol | Emerging Cross-Sectional Technologies | 11 | Active |
| US7674916B2 | Process for producing cyclic compounds | Chemistry; Metallurgy | 11 | Active |
| US7105105B2 | Deicing/anti-icing fluids | Chemistry; Metallurgy | 10 | Expired |
| US6706893B2 | Methods of making pyrrolidones | Chemistry; Metallurgy | 7 | Expired |
| US6992209B2 | Methods of forming alpha, beta-unsaturated acids and esters | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6603021B2 | Methods of making pyrrolidones | Chemistry; Metallurgy | 6 | Expired |
| US7169321B2 | Biobased deicing/anti-icing fluids | Chemistry; Metallurgy | 5 | Expired |
| US6670483B2 | Methods of making pyrrolidones | Chemistry; Metallurgy | 4 | Expired |
| US6632951B2 | Methods of making pyrrolidones | Chemistry; Metallurgy | 4 | Expired |
| US7776782B2 | Methods of making textured catalysts | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.