Peter Schaefer
19Patents
6h-index
36Co-inventors
66Inventor score
Filing activity: Oct 20, 1976 → Nov 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4100142A | Polyester process and product | Chemistry; Metallurgy | 65 | Expired |
| US4726955A | Preparation of finely divided, pulverulent carotenoid preparations | Chemistry; Metallurgy | 38 | Expired |
| US5783522A | Substituted 2-phenylpyridines | Chemistry; Metallurgy | 31 | Expired |
| US5382758A | Diamond substrates having metallized vias | Electricity | 13 | Expired |
| US5328715A | Process for making metallized vias in diamond substrates | Electricity | 8 | Expired |
| US6239074A | Substituted 3-phenyluracils | Chemistry; Metallurgy | 6 | Expired |
| US5958837A | Substituted 2-phenylpyridines | Chemistry; Metallurgy | 4 | Expired |
| US5258356A | Substituted 1,8-naphthyridines, their preparation and their use as antidotes | Human Necessities | 3 | Expired |
| US6165941A | Substituted 2-phenylpyridines | Chemistry; Metallurgy | 3 | Expired |
| US5602074A | Substituted isoindolones useful as plant growth regulators | Chemistry; Metallurgy | 2 | Expired |
| US5356860A | Styrene derivatives useful as herbicides and defoliants | Chemistry; Metallurgy | 2 | Expired |
| US4384141A | Preparation of .alpha.-bromoacetophenone-oxime-ethers | Chemistry; Metallurgy | 2 | Expired |
| US5698494A | Substituted N-phenylglutarimides and N-phenylglutaramides, their preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US5324843A | Process for making 3,4,5,6-tetrahydrophthalimide derivatives | Chemistry; Metallurgy | 1 | Expired |
| US9981931B2 | Process for the preparation of substituted oxiranes and triazoles | Chemistry; Metallurgy | 1 | Active |
| US10981883B2 | Process for the preparation of substituted oxiranes and triazoles | Chemistry; Metallurgy | 0 | Active |
| US6204222A | Substituted cyclohexene-1,2-dicarboxylic acid derivatives and intermediates for their preparation | Chemistry; Metallurgy | 0 | Expired |
| US5817603A | Substituted cyclohexene-1,2-dicarboxylic acid derivatives and intermediates for their preparation | Chemistry; Metallurgy | 0 | Expired |
| US10519122B2 | Process for the preparation of substituted oxiranes and triazoles | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.