Michael Bartsch
33Patents
14h-index
43Co-inventors
77Inventor score
Filing activity: Sep 17, 2001 → Nov 13, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7528275B2 | Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene | Chemistry; Metallurgy | 36 | Expired |
| US7351339B2 | Method for the separation of acids from chemical reaction mixtures by means of ionic fluids | Chemistry; Metallurgy | 34 | Expired |
| US7345006B2 | Catalyst system containing Ni(0) for hydrocyanation | Performing Operations; Transporting | 30 | Expired |
| US7541486B2 | Method for producing 3-pentenenitrile | Chemistry; Metallurgy | 28 | Expired |
| US7084294B2 | Method for the recycling of a Lewis acid | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7439381B2 | Hydrocyanation method | Chemistry; Metallurgy | 25 | Expired |
| US7538240B2 | Method for the hydrocyanation of butadiene | Chemistry; Metallurgy | 25 | Active |
| US7022866B2 | Phosphonites | Performing Operations; Transporting | 24 | Expired |
| US7067685B2 | Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles | Performing Operations; Transporting | 24 | Expired |
| US7700795B2 | Use of azeotropically dried nickel(ii) halogenides | Performing Operations; Transporting | 22 | Active |
| US7521575B2 | Sterically hindered chelate phosphinite-phosphite ligand, catalyst, comprising at least one nickel(0) complex stabilized by said ligand and method for production of nitriles | Performing Operations; Transporting | 22 | Expired |
| US7935229B2 | Extraction of nickel (0) complexes from nitrile mixtures with reduced rag formation | Emerging Cross-Sectional Technologies | 18 | Active |
| US7816551B2 | Method for producing dinitriles | Chemistry; Metallurgy | 16 | Expired |
| US7781608B2 | Production of 3-pentenenitrile from 1,3-butadiene | Chemistry; Metallurgy | 16 | Active |
| US7612224B2 | Isomerisation of cis-2-pentenenitrile to form 3-pentenenitrile in a reactive distillation | Emerging Cross-Sectional Technologies | 13 | Active |
| US7566800B2 | Homogeneous isomerization of cis-2-pentene nitrile to form 3-pentene nitrile | Emerging Cross-Sectional Technologies | 12 | Active |
| US7550407B2 | System suitable for the hydrocyanation of olefinically unsaturated compounds | Performing Operations; Transporting | 12 | Expired |
| US7777068B2 | Ni(0) -containing catalyst system | Performing Operations; Transporting | 12 | Active |
| US7361778B2 | Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile | Chemistry; Metallurgy | 11 | Expired |
| US7671229B2 | Method for the production of pentene nitriles from n-butane | Chemistry; Metallurgy | 9 | Active |
| US7462263B2 | Method for purifying hydrocyanic acid | Performing Operations; Transporting | 9 | Expired |
| US7504529B2 | Method for hydrocyanation | Chemistry; Metallurgy | 9 | Expired |
| US8278474B2 | Method for the separation of pentenenitrile isomers | Chemistry; Metallurgy | 9 | Active |
| US7709675B2 | Continuous method for the production of linear pentene nitriles | Chemistry; Metallurgy | 9 | Active |
| US7407643B2 | Process for removing water from a mixture containing water and zinc chloride | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.