Hans-Rudolf Meier
41Patents
7h-index
30Co-inventors
69Inventor score
Filing activity: Feb 19, 1985 → Dec 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4855345A | Stabilizers for organic polymers | Chemistry; Metallurgy | 36 | Expired |
| US4857572A | Substituted phenols as stabilizers | Chemistry; Metallurgy | 28 | Expired |
| US7790793B2 | Amide nucleating agent compositions | Chemistry; Metallurgy | 19 | Active |
| US4759862A | O,p-bifunctionalized o'-substituted phenols | Chemistry; Metallurgy | 13 | Expired |
| US4965006A | N-substituted tetrahydroquinolines for use as antioxidants in lubricants | Chemistry; Metallurgy | 10 | Expired |
| US5376290A | Substituted phenols as stabilizers | Chemistry; Metallurgy | 9 | Expired |
| US4828741A | N-substituted tetrahydroquinolines for use as antioxidants in lubricants | Chemistry; Metallurgy | 8 | Expired |
| US4894091A | Phenolic benzothiazole derivatives and their use as corrosion inhibitors | Chemistry; Metallurgy | 7 | Expired |
| US5258433A | Sulfoxides of alkylthiomethylphenols | Chemistry; Metallurgy | 7 | Expired |
| US4874885A | Process for the preparation of mercaptomethylphenols | Chemistry; Metallurgy | 7 | Expired |
| US5239076A | N-methylated bis-4-piperidylphosphite | Chemistry; Metallurgy | 7 | Expired |
| US4929732A | N-substituted tetrahydroquinolines for use as antioxidants in lubricants | Chemistry; Metallurgy | 6 | Expired |
| US5008459A | Substituted phenols as stabilizers | Chemistry; Metallurgy | 6 | Expired |
| US4661594A | Certain [(2,2,6,6-tetramethyl-4-piperidyl)amino]-1,3,2-dioxaphosphorinanes useful as stabilizers for protecting resins | Chemistry; Metallurgy | 6 | Expired |
| US5097039A | Phenolic benzothiazole derivatives and their use as corrosion inhibitors | Performing Operations; Transporting | 5 | Expired |
| US4699939A | Ortho cyclohexyl, para hydroxy aralkanoic acid esters and amide antioxidants | Chemistry; Metallurgy | 5 | Expired |
| US5427701A | Substituted phenols as stabilizers | Chemistry; Metallurgy | 5 | Expired |
| US6028131A | Antioxidants containing phenol groups and aromatic amine groups | Chemistry; Metallurgy | 5 | Expired |
| US6596796B1 | Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex | Chemistry; Metallurgy | 5 | Expired |
| US6365653B1 | Thiodipropionic acid bisamides as stabilizers for nonblack elastomers | Chemistry; Metallurgy | 4 | Expired |
| US5340855A | N-methylated bis-4-piperidylphosphite | Chemistry; Metallurgy | 4 | Expired |
| US4919832A | N-substituted tetrahydroquinolines for use as antioxidants in lubricants | Chemistry; Metallurgy | 4 | Expired |
| US6797755B1 | Stabilizers and antiozonants for elastomers | Chemistry; Metallurgy | 4 | Expired |
| US5069805A | Phenolic benzothiazole derivatives and their use as corrosion inhibitors | Chemistry; Metallurgy | 4 | Expired |
| US4863982A | Isocyanuric acid derivatives | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.