Peter Weyland
15Patents
10h-index
47Co-inventors
72Inventor score
Filing activity: Aug 4, 1975 → Mar 29, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5135963A | Aqueous dispersions of polyurethanes which are crosslinkable by the action of high energy radiation | Chemistry; Metallurgy | 25 | Expired |
| US4778830A | Polyester polyols liquid at room temperature and their preparation and use in preparing plastics by polyisocyanate addition polymerization | Chemistry; Metallurgy | 20 | Expired |
| US4237240A | Process for the manufacture of flexible polyurethane foams with high load-bearing and high energy-absorption capacity | Chemistry; Metallurgy | 19 | Expired |
| US4374935A | Process for the preparation of flexible polyurethane foams employing polyester-polyether polyol mixtures | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5401582A | Aqueous polyurethane formulations | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4302551A | Process for the preparation of cellular polymers having urethane groups, isocyanurate groups, or both | Chemistry; Metallurgy | 16 | Expired |
| US4258140A | Storage-stable prepolymers sprayable from a pressure vessel | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6730807B1 | Carbodiimides with carboxyl or carboxylate groups | Chemistry; Metallurgy | 14 | Expired |
| US5905113A | Aqueous latent-crosslinking polyurethane dispersions | Chemistry; Metallurgy | 14 | Expired |
| US4362825A | Process for the preparation of flexible polyurethane foams with improved resistance to hydrolysis and good die cutability | Chemistry; Metallurgy | 13 | Expired |
| US4861826A | Aqueous polyurethane adhesive dispersions | Chemistry; Metallurgy | 10 | Expired |
| US7049001B2 | Carbodiimides with carboxyl or carboxylate groups | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4035313A | Manufacture of self-extinguishing urethane group-containing polyisocyanurate foams | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5852104A | Aqueous polyurethane dispersions containing structural units derived from alkenyl- or alkylsuccinic acid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5587421A | Mixtures containing water-emulsifiable isocyanates | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.