Engelbert Kloimstein
13Patents
5h-index
38Co-inventors
66Inventor score
Filing activity: Nov 14, 1973 → Feb 13, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4968611A | Extracting agents for poly-D(-)-3-hydroxybutyric acid | Chemistry; Metallurgy | 66 | Expired |
| US3953445A | 3-Phenyl-6-halo-pyridazinyl thio-and dithio-carbonates | Human Necessities | 8 | Expired |
| US5475141A | Process for preparing primary amines from aldehydes | Chemistry; Metallurgy | 6 | Expired |
| US5189215A | Process for the preparation of storage-stable levulinic acid | Chemistry; Metallurgy | 5 | Expired |
| US3932405A | Phenylpyridazines | Chemistry; Metallurgy | 5 | Expired |
| US5362708A | Herbicidal agent | Chemistry; Metallurgy | 5 | Expired |
| US4058390A | Amine salts of phenyl-4-hydroxypyridazines and the preparation and herbicidal compositions thereof | Chemistry; Metallurgy | 4 | Expired |
| US5202478A | Process for the preparation of alpha, omega-alkanedioic acids | Chemistry; Metallurgy | 1 | Expired |
| US5436256A | Process for the preparation of arylhydantoins | Chemistry; Metallurgy | 1 | Expired |
| US5939580A | Process for preparing glyoxylic esters and their hydrates | Chemistry; Metallurgy | 0 | Expired |
| US7169950B2 | Method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds | Physics | 0 | Expired |
| US5068417A | Process for the continuous preparation of glyoxylic acid | Chemistry; Metallurgy | 0 | Expired |
| US5993609A | Process for the purification of phosphorus oxychloride | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.