Ernst Roos
33Patents
8h-index
43Co-inventors
71Inventor score
Filing activity: Jun 7, 1974 → Aug 22, 1986
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 |
| US4088629A | Stabilization of synthetic polymers | Chemistry; Metallurgy | 8 | Expired |
| US3931060A | Polyurethane foam free from internal discoloration | Chemistry; Metallurgy | 8 | Expired |
| US3960758A | Non-discoloring stabilizers | Chemistry; Metallurgy | 8 | Expired |
| US4088630A | Cyclic acetals of polyols, their production and their use as non-discoloring anti-ozonants | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4256636A | Azo-di-isobutyric acid-(N,N-hydroxyalkyl)-amidines | Chemistry; Metallurgy | 8 | Expired |
| US4452737A | Surface-active azo compounds | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4263165A | Blowing agent combination comprising azodicarbonamide, zinc oxide and a benzenethiol sulphonic acid derivative | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4476053A | Surface-active azo compounds | Chemistry; Metallurgy | 6 | Expired |
| US4340695A | Vulcanization system, rubber mixture containing said system and a process of vulcanization | Chemistry; Metallurgy | 5 | Expired |
| US4699972A | Aliphatic polyesters containing sulphur, and their use as stabilizers for polymers | Chemistry; Metallurgy | 4 | Expired |
| US4280004A | Mixtures of azodicarbonamide and .alpha.-amidosulphones and their production and use as a blowing agent | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4089841A | Thiazolinylamino-piperidine derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4101506A | Cyanamide stabilizers | Chemistry; Metallurgy | 3 | Expired |
| US4474684A | Elastomers with corrosion inhibiting properties | Chemistry; Metallurgy | 2 | Expired |
| US3943180A | 2,4-Bis-(trifluoromethyl)-6-nitrophenol compounds and herbicidal compositions | Chemistry; Metallurgy | 1 | Expired |
| US4678777A | Pest-combating agents containing phosphorus-heterocyclic compounds | Chemistry; Metallurgy | 1 | Expired |
| US3951664A | Light-sensitive material having developers embedded therein | Physics | 1 | Expired |
| US4472549A | Cyclic acetals of diols, their production of their use as non-discoloring antiozonants | Chemistry; Metallurgy | 1 | Expired |
| US4080399A | Sulphenamides, their production and their use as vulcanization retarders | Chemistry; Metallurgy | 1 | Expired |
| US4427817A | Open-chain acetals or ketals as non-discoloring antiozonants for rubber | Chemistry; Metallurgy | 1 | Expired |
| US4306992A | Vulcanization system, a rubber mixture containing this vulcanization system and a vulcanization process | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.