Hans U. Schmidt
18Patents
8h-index
32Co-inventors
72Inventor score
Filing activity: Nov 6, 1981 → Apr 30, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4590219A | Process for the preparation of elastomeric molded parts having urethane or urethane and urea groups with improved light fastness and weather resistance | Emerging Cross-Sectional Technologies | 68 | Expired |
| US4764537A | Internal mold release agents, their use for preparing molded articles using polyisocyanate-addition polymerization, and a process for preparing molded articles | Chemistry; Metallurgy | 47 | Expired |
| US4581387A | Internal release agents for polyisocyanate addition polymerization, their use in the preparation of cellular, microcellular, and noncellular polyurethane-polyurea molded parts having improved demolding properties | Chemistry; Metallurgy | 32 | Expired |
| US4636531A | Process for the preparation of optionally cellular polyurethane polyurea molded parts with improved demolding characteristics | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4383050A | Process for the preparation of low temperature flexible polyurethane elastomers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4595705A | Process for the preparation of optionally cellular polyurethane polyurea molded parts | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4789691A | Elastomers containing polyamide groups and polyurea groups in bonded form, as well as a process for the preparation of elastic, non-cellullar molded articles from these elastomers | Chemistry; Metallurgy | 12 | Expired |
| US5059632A | Novel copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization products | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5084487A | Plastic compact or cellular moldings based on elastomers containing N-substituted urea and amide groups in bound form, and polyazomethine-containing polyoxyalkylene-polyamine mixtures | Chemistry; Metallurgy | 8 | Expired |
| US5122547A | Production of elastic, compact or cellular moldings based on elastomers containing N-benzylurea groups in bound form, elastomers of this type, and N-benzylpolyoxyalkylene-polyamines which are suitable for this purpose | Chemistry; Metallurgy | 5 | Expired |
| US5014001A | Test probe manipulator for wafer-probing apparatus | Physics | 5 | Expired |
| US8563137B2 | Composite material comprising two or more superimposed layers of woods | Emerging Cross-Sectional Technologies | 4 | Active |
| US4698371A | Process for the preparation of optionally cellular polyurethane-polyurea molded parts using urethane group- and isocyanurate group-containing 2,4- and/or 2,6-toluene diisocyanates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5153235A | Production of elastic, compact or cellular moldings based on elastomers containing N-benzylurea groups in bound form, elastomers of this type, and N-benzylpolyoxyalkylene-polyamines which are suitable for this purpose | Chemistry; Metallurgy | 3 | Expired |
| US10415243B2 | Connecting element for wall components | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8802808B2 | Casting compounds based on polyurethane | Human Necessities | 1 | Active |
| US8557389B2 | Use of a composite material based on a one component polyurethane adhesive | Emerging Cross-Sectional Technologies | 0 | Active |
| US8334010B2 | Method for producing a composite material from stones and a plastic material | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.