Inventor · Baytown, TX, US

Peter Lehner

16Patents

3h-index

35Co-inventors

60Inventor score

Filing activity: May 31, 1977 → Oct 16, 2019

Most-cited inventions

Patent	Title	Area	Cited by	Status
US7692042B2	Process for preparing aniline	Chemistry; Metallurgy	9	Active
US5044235A	Filament cutting machine system	Emerging Cross-Sectional Technologies	6	Expired
US8455691B2	Process for the purification of aromatic amines	Chemistry; Metallurgy	6	Active
US9067864B2	Process for producing aromatic amines	Emerging Cross-Sectional Technologies	3	Active
US7193112B2	Process for the production of aromatic amines by heterogeneously catalysed hydrogenation	Chemistry; Metallurgy	2	Expired
US4254536A	Fiber cutter	Emerging Cross-Sectional Technologies	2	Expired
US10040753B2	Method for preparing diisocyanates in the gas phase	Chemistry; Metallurgy	2	Active
US8765991B2	Process for the preparation of isocyanates	Chemistry; Metallurgy	2	Active
US4104765A	Cutting hard fibrous material	Textiles; Paper	1	Expired
US9139510B2	Process for preparing aromatic amines	Chemistry; Metallurgy	1	Active
US9233910B2	Process for purifying aniline from gas phase hydrogenations	Chemistry; Metallurgy	0	Active
US9266094B2	Catalyst and method for producing aromatic amines in the gas phase	Emerging Cross-Sectional Technologies	0	Active
US10889539B2	Aniline purification process	Chemistry; Metallurgy	0	Active
US7488850B2	Process for removing compounds containing phenolic hydroxy groups from aromatic amines	Chemistry; Metallurgy	0	Active
US11267703B2	Method and a system for separating and treating impurities from a hydrogen chloride liquid mixture	Chemistry; Metallurgy	0	Active
US9447021B2	Process for the purification of aniline from gas phase hydrogenations	Chemistry; Metallurgy	0	Active

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