Peter H. Markusch
104Patents
26h-index
71Co-inventors
93Inventor score
Filing activity: Feb 27, 1974 → Aug 14, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4408008A | Stable, colloidal, aqueous dispersions of cross-linked urea-urethane polymers and their method of production | Emerging Cross-Sectional Technologies | 108 | Expired |
| US4501852A | Stable, aqueous dispersions of polyurethane-ureas | Chemistry; Metallurgy | 73 | Expired |
| US5389718A | Two-component aqueous polyurethane dispersions | Chemistry; Metallurgy | 52 | Expired |
| US4238378A | Cationic electrolyte-stable dispersions and process for producing polyurethanes useful therein | Chemistry; Metallurgy | 51 | Expired |
| US3965051A | Composite materials | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5851261A | Process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process | Chemistry; Metallurgy | 48 | Expired |
| US5346981A | Radiopaque polyurethanes | Chemistry; Metallurgy | 46 | Expired |
| US4097422A | Inorganic-organic compositions | Chemistry; Metallurgy | 45 | Expired |
| US4105594A | Highly filled polyurea foams | Emerging Cross-Sectional Technologies | 42 | Expired |
| US3981831A | Inorganic-organic plastic | Chemistry; Metallurgy | 41 | Expired |
| US4904522A | Process for the production of fiberglass mats | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5236994A | Process for sealing and/or priming concrete with aqueous polyisocyanate dispersions and the concrete obtained by this process | Emerging Cross-Sectional Technologies | 40 | Expired |
| US3983081A | Inorganic-organic composition | Chemistry; Metallurgy | 39 | Expired |
| US5389720A | Aqueous polyisocyanate dispersions | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6165550A | Symmetrical Polyurea-urethane fertilizer encapsulation | Chemistry; Metallurgy | 38 | Expired |
| US4052347A | Inorganic-organic compositions | Chemistry; Metallurgy | 36 | Expired |
| US4581433A | Elastomer polyurethane-polyurea coatings based on bis(4-isocyanatocyclohexyl)methane | Chemistry; Metallurgy | 36 | Expired |
| US4129696A | Process for the production of inorganic-organic plastic composites | Chemistry; Metallurgy | 35 | Expired |
| US6358296B1 | Slow-release polyurethane encapsulated fertilizer using oleo polyols | Chemistry; Metallurgy | 34 | Expired |
| US4701480A | Stable, aqueous dispersions of polyurethane-ureas | Chemistry; Metallurgy | 33 | Expired |
| US4742095A | Continuous process for the production of aqueous polyurethane-urea dispersions | Chemistry; Metallurgy | 32 | Expired |
| US5221710A | Process for preparing and optionally chain extending aqueous polyisocyanate dispersions using static mixers | Chemistry; Metallurgy | 29 | Expired |
| US6364925B1 | Polyurethane encapsulated fertilizer having improved slow-release properties | Chemistry; Metallurgy | 28 | Expired |
| US6562932B1 | Light stable one-shot urethane-urea elastomers | Chemistry; Metallurgy | 28 | Expired |
| US6352661B1 | PMDI wood binders containing hydrophobic diluents | Chemistry; Metallurgy | 27 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.