Inventor · Kennewick, WA, US

Johnathan E. Holladay

16Patents

7h-index

20Co-inventors

62Inventor score

Filing activity: Oct 23, 1997 → May 9, 2014

Most-cited inventions

Patent	Title	Area	Cited by	Status
US7199250B2	Process for producing cyclic compounds	Chemistry; Metallurgy	35	Expired
US7687661B2	Method for conversion of β-hydroxy carbonyl compounds	Chemistry; Metallurgy	20	Active
US7615652B2	Two-stage dehydration of sugars	Chemistry; Metallurgy	16	Active
US7939681B2	Methods for conversion of carbohydrates in ionic liquids to value-added chemicals	Chemistry; Metallurgy	15	Active
US7674916B2	Process for producing cyclic compounds	Chemistry; Metallurgy	11	Active
US7649099B2	Method of forming a dianhydrosugar alcohol	Emerging Cross-Sectional Technologies	11	Active
US7994347B2	Hydroxymethylfurfural reduction methods and methods of producing furandimethanol	Chemistry; Metallurgy	11	Active
US6992209B2	Methods of forming alpha, beta-unsaturated acids and esters	Emerging Cross-Sectional Technologies	7	Expired
US7294729B2	Bis-chelating ligand and use thereof in carbonylation processes	Performing Operations; Transporting	2	Expired
US8501963B2	Process for producing cyclic compounds	Chemistry; Metallurgy	1	Active
US5925754A	Epsilon caprolactam compositions	Emerging Cross-Sectional Technologies	1	Expired
US7973177B2	Process for producing cyclic compounds	Chemistry; Metallurgy	1	Active
US7772412B2	Methods for dehydration of sugars and sugar alcohols	Chemistry; Metallurgy	1	Active
US7728156B2	Method of performing sugar dehydration and catalyst treatment	Chemistry; Metallurgy	1	Active
US9012699B2	Chemical production processes and systems	Chemistry; Metallurgy	0	Active
US8754266B2	Chemical production processes and systems	Chemistry; Metallurgy	0	Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.