Georg Schaeffer
14Patents
4h-index
15Co-inventors
53Inventor score
Filing activity: Jul 9, 1973 → Aug 25, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4145283A | Process for the purification of waste water | Chemistry; Metallurgy | 14 | Expired |
| US4085129A | Process for the preparation of chloroformic acid aryl esters and cyclic carbonates | Chemistry; Metallurgy | 7 | Expired |
| US3962326A | Process for the manufacture of carboxylic acid chlorides | Chemistry; Metallurgy | 6 | Expired |
| US4266066A | Process for the manufacture of ketones | Chemistry; Metallurgy | 5 | Expired |
| US4564712A | Process for the preparation of diphenyl ethers | Chemistry; Metallurgy | 4 | Expired |
| US4340746A | Process for the preparation of thiochloroformates | Chemistry; Metallurgy | 4 | Expired |
| US3974084A | Process for the manufacture of anhydrous alkali metal arylate solutions and separation of the arylates from alkali metal sulfite | Chemistry; Metallurgy | 3 | Expired |
| US4306102A | P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and process for their manufacture | Chemistry; Metallurgy | 1 | Expired |
| US4277421A | Process for the manufacture of para-tert.butylbenzaldehyde and its derivatives which are halogen-substituted at the nucleus | Chemistry; Metallurgy | 1 | Expired |
| US4339594A | Process for the manufacture of phenylacetic acid and simple derivatives thereof | Chemistry; Metallurgy | 1 | Expired |
| US4110365A | Process for the manufacture of naphthalene-monosulfonic acids | Chemistry; Metallurgy | 1 | Expired |
| US4952697A | Process for the preparation of 2-nitro-3-aminopyridine, and the intermediates which are formed in the reaction | Chemistry; Metallurgy | 0 | Expired |
| US4770820A | Process for the preparation of carbamoyl chlorides derived from secondary amines | Chemistry; Metallurgy | 0 | Expired |
| US4590295A | Process for the manufacture of p-hydroxyphenyl-acetic acid | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.