Arthur Hohn
43Patents
8h-index
93Co-inventors
74Inventor score
Filing activity: Jul 26, 1996 → Apr 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6271430A | Preparation of propene | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6525222B2 | Process for preparing amines | Chemistry; Metallurgy | 28 | Expired |
| US6677495B1 | Oligomer mixtures derived from cyclopentene; method for the production and use thereof | Chemistry; Metallurgy | 22 | Expired |
| US6403845B1 | Preparation of pentanediols from alkoxydihydropyrans | Chemistry; Metallurgy | 14 | Expired |
| US6455711B1 | Method for producing polytetrahydrofuran | Chemistry; Metallurgy | 13 | Expired |
| US6417353B1 | Preparing amines | Chemistry; Metallurgy | 12 | Expired |
| US6462236B2 | Preparation of amines | Chemistry; Metallurgy | 10 | Expired |
| US6790995B2 | Preparation of primary and secondary amines from nitriles | Chemistry; Metallurgy | 8 | Expired |
| US5986027A | Olefin polymerization using a catalyst comprising a group VIIIB metal, and acid, and a bidentate chelating compound | Chemistry; Metallurgy | 7 | Expired |
| US6627756B1 | Preparation of pure triethylenediamine | Chemistry; Metallurgy | 7 | Expired |
| US6031057A | Polymers of olefinically unsaturated monomers | Chemistry; Metallurgy | 6 | Expired |
| US6111149A | Process for preparing alcohols and/or aldehydes from olefins | Chemistry; Metallurgy | 5 | Expired |
| US6049007A | Racemization of optically active amines | Chemistry; Metallurgy | 5 | Expired |
| US5866716A | Process for Selectively preparing carboxylic acids by carbonylation of olefins | Chemistry; Metallurgy | 5 | Expired |
| US5705683A | Carbonylation of olefins | Chemistry; Metallurgy | 4 | Expired |
| US6103867A | Catalyst systems for producing copolymers of carbon monoxide and olefinically unsaturated compounds | Performing Operations; Transporting | 3 | Expired |
| US6160178A | Racemization of optically active amines | Chemistry; Metallurgy | 3 | Expired |
| US5756621A | 2-oxazolinyl-terminated polymers and oligomers useful as compatibilizers | Chemistry; Metallurgy | 3 | Expired |
| US5952533A | Method of producing 1,6-hexane diol from epoxybutadiene | Chemistry; Metallurgy | 3 | Expired |
| US5962700A | Butyrolactone-preparation process | Chemistry; Metallurgy | 3 | Expired |
| US5917085A | Continuous preparation of methyl formate | Chemistry; Metallurgy | 3 | Expired |
| US6153797A | Racemizing of optically active amines | Chemistry; Metallurgy | 2 | Expired |
| US6852869B2 | Method for the production of polytetrahydrofuran with low color index | Chemistry; Metallurgy | 2 | Expired |
| US6441234B1 | Production of formamide using sodium diformylamide | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5891989A | Carbon monoxide/olefin-copolymers | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.