Charles J. McDonald
11Patents
6h-index
15Co-inventors
63Inventor score
Filing activity: Jul 8, 1977 → Mar 5, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6609068B2 | Personal computer breath analyzer for health-related behavior modification and method | Human Necessities | 87 | Expired |
| US4282928A | Method for controlling permeability of subterranean formations | Fixed Constructions | 49 | Expired |
| US4182417A | Method for controlling permeability of subterranean formations | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4973670A | Method for preparing hollow latexes | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4322939A | Device for gathering fruit | Human Necessities | 16 | Expired |
| US4962154A | Latex-antigen-antibody complexes for immunoassay | Chemistry; Metallurgy | 15 | Expired |
| US4297256A | Preparation of water-immiscible, acid-soluble N-(aminomethyl)-.alpha.,.beta . | Chemistry; Metallurgy | 5 | Expired |
| US4395311A | Preparation of aminomethanols | Chemistry; Metallurgy | 4 | Expired |
| US4166828A | Preparation of N-(aminomethyl)-.alpha.,.beta.-ethylenically unsaturated carboxamides and their polymers | Chemistry; Metallurgy | 4 | Expired |
| US4288390A | Preparation of N-(aminomethyl)-.alpha.,.beta.-ethylenically unsaturated carboxamides and their polymers | Chemistry; Metallurgy | 3 | Expired |
| US4265835A | Conversion of carboxamide to N-substituted derivative thereof using carbon magnetic analysis | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.