Bernd Eck
27Patents
10h-index
32Co-inventors
71Inventor score
Filing activity: Sep 9, 1996 → Sep 8, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5831124A | Purification of acrylic acid and methacrylic acid | Chemistry; Metallurgy | 38 | Expired |
| US9027303B2 | Aqueous gypsum plaster-cement composition and its use | Emerging Cross-Sectional Technologies | 35 | Active |
| US6448439B1 | Method for producing acrylic acid and methacrylic acid | Chemistry; Metallurgy | 29 | Expired |
| US6541665B1 | Method for purifying acrylic acid or methacrylic acid by crystallization and distillation | Chemistry; Metallurgy | 18 | Expired |
| US7112695B2 | Method for the purification of a crude acrylic acid melt | Chemistry; Metallurgy | 16 | Expired |
| US6646161B1 | Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents | Chemistry; Metallurgy | 16 | Expired |
| US6596901B1 | Method for purifying acrylic acid and methacrylic acid | Chemistry; Metallurgy | 15 | Expired |
| US6051736A | Preparation of (meth)acrylic acid | Chemistry; Metallurgy | 12 | Expired |
| US6433222B1 | Method for producing acrylic acid | Chemistry; Metallurgy | 10 | Expired |
| US6852881B2 | Purification method for (meth)acrylic acid | Chemistry; Metallurgy | 10 | Expired |
| US7323016B2 | Regulation of a wash column in a melt crystallization process | Chemistry; Metallurgy | 6 | Expired |
| US7393436B2 | Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5755975A | Separation of substances from a liquid mixture by crystallization | Chemistry; Metallurgy | 6 | Expired |
| US6700016B1 | Method of purifying and producing acrylic acid or methacrylic acid | Chemistry; Metallurgy | 6 | Expired |
| US6063959A | Purification of crude acrylic acid by crystallization | Chemistry; Metallurgy | 5 | Expired |
| US5710284A | Purification of N-vinylpyrrolidone by crystallization | Chemistry; Metallurgy | 4 | Expired |
| US7129376B2 | Method for the production of a purified melt of at least one monomer | Chemistry; Metallurgy | 3 | Expired |
| US6703511B2 | Method for obtaining pure n-vinyl pyrrolidone | Chemistry; Metallurgy | 3 | Expired |
| US6921837B2 | Process for the purification and preparation of acrylic acid or methacrylic acid | Chemistry; Metallurgy | 3 | Expired |
| US7307189B2 | Method for discontinuous purification of crude acrylic acid by means of crystallization | Chemistry; Metallurgy | 2 | Expired |
| US8075673B2 | Absorption medium and method for removing carbon dioxide from gas streams | Emerging Cross-Sectional Technologies | 2 | Active |
| US7540884B2 | Method for performing the purifying separation of crystals out their suspension in a mother liquor | Performing Operations; Transporting | 1 | Expired |
| US6414190B1 | Purification of acrylic acid by crystallization by means of vacuum evaporation | Chemistry; Metallurgy | 1 | Expired |
| US7762404B2 | Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt | Performing Operations; Transporting | 1 | Expired |
| US7319166B2 | Method of purifying a raw melt of at least one monomer by crystallization | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.