Michael Rasberger
58Patents
14h-index
25Co-inventors
84Inventor score
Filing activity: Jun 5, 1974 → May 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4198334A | Substituted malonic acid derivatives and their use as stabilizers | Chemistry; Metallurgy | 80 | Expired |
| US4233412A | Polymeric light stabilizers for plastics | Chemistry; Metallurgy | 55 | Expired |
| US3993655A | Stabilizers for synthetic polymers | Chemistry; Metallurgy | 35 | Expired |
| US6046263A | Liquid antioxidants as stabilizers | Chemistry; Metallurgy | 33 | Expired |
| US4259492A | Dioxaphosphepines | Chemistry; Metallurgy | 29 | Expired |
| US4692258A | Tetrahydroquinolines as antioxidants for lubricants | Chemistry; Metallurgy | 28 | Expired |
| US4161592A | Piperidinyl-s-triazines | Chemistry; Metallurgy | 28 | Expired |
| US3966711A | 4-Alkyl-1,4-diaza-5-oxo-cycloheptanes and their 1-oxyls | Chemistry; Metallurgy | 27 | Expired |
| US5523007A | Stabilized diesel engine oil | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US3971757A | 3-Alkyl-4-oxo-imidazolidines and their 1-oxyls | Chemistry; Metallurgy | 21 | Expired |
| US4233410A | Polymeric light stabilizers for plastics | Chemistry; Metallurgy | 17 | Expired |
| US4268593A | Recording material for color photography | Physics | 15 | Expired |
| US4374742A | Novel lubricant additives | Chemistry; Metallurgy | 14 | Expired |
| US4232131A | Polymeric light stabilizers for plastics | Chemistry; Metallurgy | 14 | Expired |
| US4321218A | Phosphite stabilizer | Chemistry; Metallurgy | 14 | Expired |
| US4185006A | Cyclic phosphonite stabilizers | Chemistry; Metallurgy | 13 | Expired |
| US4297492A | Phenolic-1,3,5-triazines | Chemistry; Metallurgy | 12 | Expired |
| US4238613A | Polyalkylpiperidine derivatives | Chemistry; Metallurgy | 11 | Expired |
| US4226999A | Piperidyl esters of phenolalkylene carboxylic acids | Chemistry; Metallurgy | 10 | Expired |
| US4383950A | Phosphite stabilizers | Chemistry; Metallurgy | 10 | Expired |
| US4148783A | Hydroxybenzylmalonic acid derivatives | Chemistry; Metallurgy | 10 | Expired |
| US4148784A | Phenol stabilizers | Chemistry; Metallurgy | 10 | Expired |
| US4276232A | Phosphorus stabilizers | Chemistry; Metallurgy | 10 | Expired |
| US4260689A | Polymeric light stabilizers for plastics | Chemistry; Metallurgy | 9 | Expired |
| US4250268A | Polysilylesters having a polyalkylpiperidine as part of the polymer useful as light stabilizers for plastics | Chemistry; Metallurgy | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.