Walter Schroer
22Patents
12h-index
20Co-inventors
77Inventor score
Filing activity: Feb 25, 1974 → Nov 21, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4308184A | Heat cross linkable polyurethane coating compositions | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4507413A | Process for the preparation of coating compositions, aqueous dispersions of PU reactive systems and their use for coating | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5276125A | Heat-curable coating compositions | Chemistry; Metallurgy | 26 | Expired |
| US4299868A | Coating compositions | Chemistry; Metallurgy | 25 | Expired |
| US5177141A | Coating materials containing PUR dispersions and solvents and their use for the preparation of water vapor permeable PUR coatings | Chemistry; Metallurgy | 22 | Expired |
| US3935146A | Polyurethaneamides dispersible in water and dispersions containing them | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4598120A | Dispersion compositions, a process for their production and their use | Chemistry; Metallurgy | 17 | Expired |
| US4652466A | Coating agents of polyurethane dispersions and the use thereof for top coats and finishes | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4588761A | Coating compositions containing solvents and crosslinking agents and their use for heat-activated one-coat reverse coating | Chemistry; Metallurgy | 17 | Expired |
| US4743470A | Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4543144A | Aqueous polyurethane compositions containing crosslinking agents and their use for heat-active one-coat reverse coating | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4594385A | Coating agents of polyurethane dispersions and the use thereof for top coats and finishes | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4728542A | Ionically modified pur spreading pastes and their use | Chemistry; Metallurgy | 10 | Expired |
| US4521465A | Coated composite material for lining passages | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4876302A | Polyurethane dispersions and the use thereof as finishing agents | Chemistry; Metallurgy | 8 | Expired |
| US4895883A | Polyurethane ureas | Chemistry; Metallurgy | 8 | Expired |
| US4401801A | Coating and dressing agents for leather and leather substitutes based on polyurethane urea coating compounds | Chemistry; Metallurgy | 7 | Expired |
| US3943252A | Polyurethane casein coating composition | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4935485A | Heat hardenable coating composition based on polyurethane urea and coated substrate prepared therefrom | Chemistry; Metallurgy | 5 | Expired |
| US4675211A | Process for multiple-coat reverse coating using polyurethane solutions | Textiles; Paper | 4 | Expired |
| US4657613A | Coating compositions containing solvents and crosslinking agents and their use for heat-activated one-coat reverse coating | Chemistry; Metallurgy | 3 | Expired |
| US3987223A | Method of dressing leather | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.