Michael Walkowiak
22Patents
11h-index
19Co-inventors
68Inventor score
Filing activity: Jun 27, 1975 → Aug 6, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4308190A | Dental materials based on organic plastics in paste form | Human Necessities | 37 | Expired |
| US4707504A | Porous fillers in polymerizable compositions | Human Necessities | 36 | Expired |
| US4323348A | Dental compositions | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4552906A | Polymerizable dental compositions and molded dental articles produced therefrom | Chemistry; Metallurgy | 32 | Expired |
| US4437836A | Photopolymerizable dental compositions | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4182829A | Impression materials for dentistry | Chemistry; Metallurgy | 29 | Expired |
| US4302376A | Dental materials which are opaque to X-rays and are based on organic plastics in paste form | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4177563A | Dental filling material | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4394465A | Dental materials based on organic plastics in paste form | Human Necessities | 13 | Expired |
| US4369262A | Dental material based on crosslinked plastic and polymerizable binder | Human Necessities | 12 | Expired |
| US4300886A | Shaped dental articles | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4277536A | Bead polymers of viscous dimethacrylates | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4389496A | Thixotropic formulations of silicone pastes for impressions of teeth and mucous membrane | Chemistry; Metallurgy | 10 | Expired |
| US4223114A | Process for the production of bead polymers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4233424A | Process for the production of bead polymers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4389507A | Filler-containing bead polymers | Chemistry; Metallurgy | 6 | Expired |
| US4107304A | Oxo-imidazolidine substituted cephalosporins and antibacterial compositions and methods of combatting bacteria employing them | Chemistry; Metallurgy | 5 | Expired |
| US4029806A | Nitro-.beta.-lactam antibiotics and processes for their preparation and use | Chemistry; Metallurgy | 4 | Expired |
| US4093722A | Sulfonylimidazolidone substituted cephalosporins, antibacterial compositions containing them, and methods of combatting bacteria employing them | Chemistry; Metallurgy | 3 | Expired |
| US4086340A | Cephalosporins and their production | Chemistry; Metallurgy | 2 | Expired |
| US4012518A | Nitro-.beta.-lactam antibiotics and processes for their preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US4086341A | Cephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.