Matthias Marx
68Patents
14h-index
73Co-inventors
87Inventor score
Filing activity: Jul 10, 1972 → Apr 6, 2023
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 |
| US4243755A | Process for the manufacture of reinforced polyurethane foams | Chemistry; Metallurgy | 46 | Expired |
| US4478960A | Diphenylmethane diisocyanate-based liquid polyisocyanate mixtures containing urethane groups, process for their preparation and their use for the preparation of flexible polyurethane foams | Chemistry; Metallurgy | 46 | Expired |
| US4389454A | Molded foamed polyurethane part having a lightweight skin and a process for its manufacture | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4293657A | Stable melamine polyol dispersions, a process for their manufacture and for the preparation of foamed polyurethane plastics | Chemistry; Metallurgy | 41 | 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 |
| US4546039A | Process for bonding lignocellulose-containing raw materials with a prepolymer based on a urethane-modified diphenylmethane diisocyanate mixture | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4507475A | Process for purification of crude polyether polyols | Chemistry; Metallurgy | 24 | Expired |
| US4778830A | Polyester polyols liquid at room temperature and their preparation and use in preparing plastics by polyisocyanate addition polymerization | Chemistry; Metallurgy | 20 | Expired |
| US4302551A | Process for the preparation of cellular polymers having urethane groups, isocyanurate groups, or both | Chemistry; Metallurgy | 16 | Expired |
| US4207222A | Aqueous coating agents, impregnating agents and adhesives | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4668708A | Process for the preparation of elastic polyurethane flexible foams usable in cold-mold techniques to produce molded articles | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3966655A | Manufacture of polyester imide dispersions | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4481309A | Process for the preparation of cellular and non-cellular polyurethanes | Chemistry; Metallurgy | 15 | Expired |
| US4440705A | Process for the preparation of cellular and non-cellular polyurethane elastomers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4611083A | Liquid, urea group-containing polyisocyanate mixtures | Chemistry; Metallurgy | 13 | Expired |
| US4383050A | Process for the preparation of low temperature flexible polyurethane elastomers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4279757A | Process for separating hydrophobic organic liquids from water | Chemistry; Metallurgy | 12 | Expired |
| US4595705A | Process for the preparation of optionally cellular polyurethane polyurea molded parts | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4582926A | Process for the preparation of polyester or polyether-polyester polyol | Chemistry; Metallurgy | 11 | Expired |
| US4304708A | Process for the manufacture of stable polyol-filler dispersions | Chemistry; Metallurgy | 11 | Expired |
| US8557255B2 | High frequency application of botulinum toxin therapy | Emerging Cross-Sectional Technologies | 10 | Active |
| US4845266A | Process for the preparation of polyester polyols | Chemistry; Metallurgy | 10 | Expired |
| US4260554A | Storage-stable, liquid carbodiimide modified polyisocyanates and process for their manufacture | Chemistry; Metallurgy | 9 | Expired |
| US4172193A | Cathodic electrocoating binders | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.