Ortmund Lang
22Patents
3h-index
48Co-inventors
63Inventor score
Filing activity: Jul 11, 2000 → Jun 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6627756B1 | Preparation of pure triethylenediamine | Chemistry; Metallurgy | 7 | Expired |
| US9630900B2 | Method for the dehydration of 3-hydroxypropanoic acid to form acrylic acid | Chemistry; Metallurgy | 5 | Active |
| US6958397B2 | Method of selectively synthesizing triethylenediamine | Performing Operations; Transporting | 3 | Expired |
| US6552194B2 | Process for the preparation of pure triethylenediamine (TEDA) | Chemistry; Metallurgy | 2 | Expired |
| US9809526B2 | Method for the continuous dehydration of 3-hydroxypropionic acid to form acrylic acid | Chemistry; Metallurgy | 1 | Active |
| US10569192B2 | Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device | Performing Operations; Transporting | 1 | Active |
| US7342139B2 | Method for producing highly concentrated formaldehyde solution | Chemistry; Metallurgy | 1 | Expired |
| US12290768B2 | Device for carrying out material exchange processes | Chemistry; Metallurgy | 0 | Active |
| US7345173B2 | Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine | Chemistry; Metallurgy | 0 | Expired |
| US7151177B2 | Process for the preparation of highly pure triethylene diamine | Chemistry; Metallurgy | 0 | Expired |
| US7271292B2 | Process for distillatively removing piperazine from an ethylenediamine-piperazine mixture | Chemistry; Metallurgy | 0 | Active |
| US10941103B2 | Process for continuously preparing n-butyl acrylate or isobutyl acrylate | Chemistry; Metallurgy | 0 | Active |
| US11498997B2 | Process for removal of volatile compounds from tackifiers | Chemistry; Metallurgy | 0 | Active |
| US7959766B2 | Method for obtaining cyclododecatriene by evaporation | Chemistry; Metallurgy | 0 | Active |
| US10894223B2 | Process for isolating pure 2-ethylhexyl acrylate or pure 2-propylheptyl acrylate from the corresponding crude alkyl acrylate by distillation | Chemistry; Metallurgy | 0 | Active |
| US7132538B2 | Isolation of high-purity triethylenediamine (TEDA) by distillation | Performing Operations; Transporting | 0 | Expired |
| US9388118B2 | Continuous process for preparing (meth)acrylates of C10-alcohol mixtures | Chemistry; Metallurgy | 0 | Active |
| US9260402B2 | Process for the preparation of 5-hydroxymethylfurfural (HMF) | Emerging Cross-Sectional Technologies | 0 | Active |
| US10730823B2 | Process for isolating pure tert-butyl (meth)acrylate from crude tert-butyl (meth)acrylate by distillation | Chemistry; Metallurgy | 0 | Active |
| US7872131B2 | Method for producing a solution of pure triethylenediamine (TEDA) | Chemistry; Metallurgy | 0 | Active |
| US10252970B2 | Method of dehydrating 3-hydroxypropionic acid to form acrylic acid | Chemistry; Metallurgy | 0 | Active |
| US10906862B2 | Process for isolating pure butyl acrylate from crude butyl acrylate by distillation, where butyl is n-butyl or isobutyl | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.