CELANESE CHEMICALS EUROPE GMBH
44Patents
3Active
44Granted
35Portfolio score
Filing activity: Jul 16, 1997 → Jan 25, 2007 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6603038B1 | Method for producing catalysts containing metal nanoparticles on a porous support, especially for gas phase oxidation of ethylene and acetic acid to form vinyl acetate | Performing Operations; Transporting | 171 | Expired |
| US6696596B1 | Catalyst and method for producing vinyl acetate | Emerging Cross-Sectional Technologies | 98 | Expired |
| US6525228B2 | Process of telomerizing conjugated dienes | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6987200B2 | Process for producing catalysts comprising nanosize metal particles on a porous support, in particular for the gas-phase oxidation of ethylene and acetic acid to give vinyl acetate | Performing Operations; Transporting | 17 | Expired |
| US6849243B1 | Catalysts for the gas-phase oxidation of ethylene and acetic acid to vinyl acetate, a process for producing them and their use | Chemistry; Metallurgy | 16 | Expired |
| US6399816B1 | Method for selectively producing acetic acid through the catalytic oxidation of ethane | Performing Operations; Transporting | 15 | Expired |
| US6117277A | Process for the distillation of alcohols | Chemistry; Metallurgy | 11 | Expired |
| US6703507B2 | Ionic liquids and production and use thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6800783B2 | Method for the synthesis of aliphatic carboxylic acids from aldehydes | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6472565B1 | Method for producing aldehydes | Performing Operations; Transporting | 8 | Expired |
| US7138544B2 | Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids | Chemistry; Metallurgy | 8 | Expired |
| US6346501B1 | Catalyst based on palladium, cadmium, alkali and lanthanoids and a method for producing vinyl acetate | Chemistry; Metallurgy | 7 | Expired |
| US6423856B1 | Process for preparing ester plasticizers | Performing Operations; Transporting | 6 | Expired |
| US7015362B2 | Process for preparing TCD-dialdehyde | Chemistry; Metallurgy | 5 | Expired |
| US6610881B1 | Method for producing sulfonated aryl phosphines | Performing Operations; Transporting | 5 | Expired |
| US6740773B2 | Process for preparing cyclohexanedicarboxylic esters | Chemistry; Metallurgy | 5 | Expired |
| US6579824B1 | Catalyst based on palladium, gold, alkali, and lanthanoid, and a method for producing vinyl acetate | Chemistry; Metallurgy | 5 | Expired |
| US6982352B2 | Process for preparing N-methyldialkylamines from secondary dialkylamines and formaldehyde | Chemistry; Metallurgy | 5 | Expired |
| US6864387B2 | Process for preparing sulfonated arylphosphines | Performing Operations; Transporting | 5 | Expired |
| US6680395B2 | Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6339174B1 | Method for preparing aldehydes by hydroformylation | Performing Operations; Transporting | 4 | Expired |
| US6700021B2 | Preparation of aldehydes | Performing Operations; Transporting | 4 | Expired |
| USRE39074E1 | Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide | General | 4 | Expired |
| US6939997B2 | Process for preparing TCD-alcohol DM | Chemistry; Metallurgy | 4 | Expired |
| US6696582B2 | Method for producing aliphatic carboxylic acids from aldehydes | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.