Wilhelm Thoma
37Patents
15h-index
31Co-inventors
81Inventor score
Filing activity: Dec 13, 1974 → Nov 18, 1996
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 |
| US4035213A | Soft textile coatings resembling napa leather | Emerging Cross-Sectional Technologies | 33 | 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 |
| US5716676A | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5747582A | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4116741A | Textile coating with polyurethanes | Emerging Cross-Sectional Technologies | 18 | Expired |
| US3984607A | Polyurethane coated textile sheets | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4588761A | Coating compositions containing solvents and crosslinking agents and their use for heat-activated one-coat reverse coating | Chemistry; Metallurgy | 17 | Expired |
| US4160686A | Method of reverse coating textile sheets with polyurethene | Emerging Cross-Sectional Technologies | 17 | 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 |
| US4571417A | Leveller-containing high-solids polyurethane reactive coating systems and their use for reactive coating | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4446293A | Low-solvent, thermosetting reactive polyurethane coating composition, a process for its production and its use in direct and reverse coating processes | Chemistry; Metallurgy | 15 | 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 |
| US4594385A | Coating agents of polyurethane dispersions and the use thereof for top coats and finishes | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4543144A | Aqueous polyurethane compositions containing crosslinking agents and their use for heat-active one-coat reverse coating | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4248910A | Reverse coating textiles with polyurethane solutions | Textiles; Paper | 11 | Expired |
| US4894428A | Process for coating substrates with polyurethane ureas | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4530990A | Process for the preparation of viscosity stable polyurethane solutions | Chemistry; Metallurgy | 10 | Expired |
| US5252671A | Coating compositions for coatings that are permeable to water vapor and a process for their preparation | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4728542A | Ionically modified pur spreading pastes and their use | Chemistry; Metallurgy | 10 | Expired |
| US4895883A | Polyurethane ureas | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.