Harald Oertel
15Patents
8h-index
21Co-inventors
61Inventor score
Filing activity: May 20, 1976 → Aug 24, 1979
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4153596A | Permanently stabilized polymers produced by after-treatment with piperidine compounds | Chemistry; Metallurgy | 39 | Expired |
| US4145512A | Permanently stabilized polyurethanes | Chemistry; Metallurgy | 28 | Expired |
| US4223147A | Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their production | Chemistry; Metallurgy | 27 | Expired |
| US4178279A | Permanently stabilized polyurethanes | Chemistry; Metallurgy | 18 | Expired |
| US4153775A | Self-crosslinkable polyurethanes | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4088629A | Stabilization of synthetic polymers | Chemistry; Metallurgy | 8 | Expired |
| US4211699A | Isocyanate adduct diols | Chemistry; Metallurgy | 8 | Expired |
| US4297446A | ABS-moulding compositions having high notched impact strength | Chemistry; Metallurgy | 8 | Expired |
| US4140673A | Piperidine derivatives as light stabilizers | Chemistry; Metallurgy | 5 | Expired |
| US4101506A | Cyanamide stabilizers | Chemistry; Metallurgy | 3 | Expired |
| US4070345A | Monomethylol ether diols and polyurethane solutions prepared therefrom | Chemistry; Metallurgy | 3 | Expired |
| US4089841A | Thiazolinylamino-piperidine derivatives | Chemistry; Metallurgy | 3 | Expired |
| USRE29623E | Polyurethane-ureas based on cis-trans-1,4-diaminocyclohexane | General | 1 | Expired |
| US4073746A | Mixtures of .alpha.,.alpha.'-bis-(2-hydroxy-3,5-dialkylphenyl)-p-and -m-diisopropylbenzenes, a process for the preparation thereof and the use thereof as stabilizers | Chemistry; Metallurgy | 0 | Expired |
| US4116932A | Synthetic polymer compositions stabilized against discoloration and degradation | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.