Winfried Lork
18Patents
7h-index
19Co-inventors
63Inventor score
Filing activity: Aug 31, 1973 → Oct 25, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4556644A | Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4664753A | Process for separating iodine and its compounds from the carbonylation products obtained by subjecting dimethylether, methyl acetate or methanol to a carbonylation reaction | Chemistry; Metallurgy | 27 | Expired |
| US4280010A | Continuous production of alkyl acrylates free from ether | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4557760A | Process for recovering noble metals belonging to group VIII of the Periodic System of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate and/or dimethylether | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4629711A | Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4442304A | Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4440570A | Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4746640A | Process for purifying and recovering catalyst solution contaminated during the carbonylation of methyl acetate and/or dimethylether | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4414160A | Process for making carboxylic acid halides | Chemistry; Metallurgy | 7 | Expired |
| US4444624A | Process for separating acetone from carbonylation mixtures | Chemistry; Metallurgy | 7 | Expired |
| US4985383A | Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4543217A | Process for making carboxylic acid halides | Chemistry; Metallurgy | 4 | Expired |
| US4252983A | Production of acetic anhydride and acetic acid from acetaldehyde | Chemistry; Metallurgy | 3 | Expired |
| US5002914A | Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5047377A | Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether | Emerging Cross-Sectional Technologies | 2 | Expired |
| US3985800A | Process for the manufacture of acrylic acid | Performing Operations; Transporting | 1 | Expired |
| US7309804B2 | Process for purifying 1,2-dichloroethane | Chemistry; Metallurgy | 0 | Expired |
| US4352761A | Production of acetyl chloride | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.