Michael Ackerman
8Patents
4h-index
15Co-inventors
50Inventor score
Filing activity: Aug 2, 1984 → Jun 9, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4921962A | Process for preparing N-hydrocarbyloxy derivatives of sterically hindered amines | Chemistry; Metallurgy | 28 | Expired |
| US6242598A | Methods for the preparation of tris-aryl-o-hydroxyphenyl-s-triazines | Chemistry; Metallurgy | 14 | Expired |
| US5439958A | Polyalkyl-4-piperidinol derivatives for use as stabilizers for organic materials | Chemistry; Metallurgy | 6 | Expired |
| US4547537A | N-Piperidyl tetrahydro-1,4-oxazin-2-one light stabilizers | Chemistry; Metallurgy | 5 | Expired |
| US6409941B1 | Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | Chemistry; Metallurgy | 4 | Expired |
| US6265473A | Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | Chemistry; Metallurgy | 3 | Expired |
| US6403680B1 | Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | Chemistry; Metallurgy | 0 | Expired |
| US6492440B1 | Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.