Michael J. Pearson
26Patents
7h-index
23Co-inventors
69Inventor score
Filing activity: Apr 24, 1974 → Mar 18, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5039686A | N-pyridyl nitromethylene heterocyclic compounds and their use as pesticides | Human Necessities | 29 | Expired |
| US4639259A | Promoted scavenger for purifying HCl-contaminated gases | Performing Operations; Transporting | 21 | Expired |
| US5316998A | HCl adsorbent and method for making and using same | Chemistry; Metallurgy | 18 | Expired |
| US4001144A | Process for modifying the pore volume distribution of alumina base catalyst supports | Performing Operations; Transporting | 15 | Expired |
| US5505926A | HCL adsorbent and method for making and using same | Chemistry; Metallurgy | 10 | Expired |
| US4940702A | Cephem compounds | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6733550B1 | Fuel oil composition | Chemistry; Metallurgy | 7 | Expired |
| US4103017A | Pesticidal 2-iminothiazoline derivatives | Chemistry; Metallurgy | 7 | Expired |
| US3974154A | 3-Benzyl-7-amino-3-cephem-4-carboxylic acid, the tertiary butyl ester, or the pharmaceutically acceptable salts thereof | Chemistry; Metallurgy | 6 | Expired |
| US4108992A | Cephalosporin analogues and compositions | Chemistry; Metallurgy | 5 | Expired |
| US3975383A | 3-Benzyl-7-triphenylmethylamino-3-cephem-4-carboxylic acid and salts and esters thereof | Chemistry; Metallurgy | 5 | Expired |
| US5595954A | Method for making an HCL adsorbent | Chemistry; Metallurgy | 5 | Expired |
| US4868147A | Alumina of high macroporosity and stability | Performing Operations; Transporting | 5 | Expired |
| US4407815A | .beta.-Lactam antibacterial compounds, their preparation and pharmaceutical compositions containing them | Chemistry; Metallurgy | 4 | Expired |
| US3959267A | 3-(2'-Tetrahydropyr anylmethyl)-7-(2-thienylacetamido)-3-cephem-4-carboxylic acid and non-toxic salts thereof | Chemistry; Metallurgy | 4 | Expired |
| US5468891A | Molybdenum-containing friction-reducing additives | Chemistry; Metallurgy | 4 | Expired |
| US5376679A | Bicyclic or tricyclic biocidal compounds | Chemistry; Metallurgy | 2 | Expired |
| US4816452A | Aminothiazole substituted penicillins and antibacterial compositions thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
| US3939157A | 3-Benzyl-7-substituted acetamido-3-cephem-4-carboxylic acids and halogenated benzyl derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4704385A | 3-formamido azetidinone antibacterial agents, their preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US4444771A | Azeto triazolo pyrazine .beta.-lactam antibacterial agents | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4647558A | Antibacterial agents, their preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US4758570A | Pesticidal nitromethylene derivatives | Human Necessities | 1 | Expired |
| US4252808A | .beta.-Lactam antibacterial agents, their use in pharmaceutical compositions, the process for their preparation and intermediates for use in that process | Chemistry; Metallurgy | 0 | Expired |
| US4918067A | Heterocyclic substituted penicillin antibiotics | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.