Ernst Grigat
26Patents
11h-index
30Co-inventors
75Inventor score
Filing activity: Dec 4, 1974 → Apr 30, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6235815A | Biodegradable polymeric mixtures based on thermoplastic starch | Chemistry; Metallurgy | 105 | Expired |
| US6472497B2 | Thermoplastic starch utilizing a biodegradable polymer as melting aid | Chemistry; Metallurgy | 97 | Expired |
| US4195132A | Cross-linked plastics based on cyanic acid esters and method of production thereof | Chemistry; Metallurgy | 50 | Expired |
| US4051212A | Process for the continuous degradation of plastics | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4094852A | Process for the production of polytriazines in the presence of high-boiling esters | Chemistry; Metallurgy | 31 | Expired |
| US4028393A | Process for the production of polyfunctional cyanic acid esters | Chemistry; Metallurgy | 25 | Expired |
| US4046796A | Process for the production of polyfunctional cyanic acid esters | Chemistry; Metallurgy | 17 | Expired |
| US3978028A | Process for preparing s-triazine prepolymers by condensation of an aromatic polyhydroxy compound with cyanuric chloride and thereafter reacting the condensation product with cyanogen halide in the presence of base | Chemistry; Metallurgy | 17 | Expired |
| US5827905A | Biodegradable plastics filled with reinforcing materials | Chemistry; Metallurgy | 13 | Expired |
| US5009925A | Process for the production of magnetic recording carriers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6307003A | Compostable adhesive | Chemistry; Metallurgy | 11 | Expired |
| US6071984A | Biodegradable plastics filled with reinforcing materials | Chemistry; Metallurgy | 10 | Expired |
| US4511680A | Process for the continuous high temperature glycolytic cleavage of polyurethane plastics waste in screw machines | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4059567A | High molecular weight polytriazines of soluble polymeric N-cyano-isourea ethers | Chemistry; Metallurgy | 10 | Expired |
| US4066577A | High molecular weight polytriazines of soluble polymeric N-cyano-isourea ethers | Chemistry; Metallurgy | 9 | Expired |
| US5256702A | Method of foaming thermoplastic polycarbonate | Chemistry; Metallurgy | 8 | Expired |
| US4049630A | Process for preparation of s-triazine prepolymers | Chemistry; Metallurgy | 8 | Expired |
| US4136967A | Screw machine for the continuous degradation of plastics | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4094861A | Process for the production of non-inflammable polytriazines | Chemistry; Metallurgy | 6 | Expired |
| US4031067A | Polytriazines and a process for their production | Chemistry; Metallurgy | 6 | Expired |
| US5455311A | Thermoplastic block copolyesters capable of being composted for use as packaging materials | Chemistry; Metallurgy | 5 | Expired |
| US4399236A | Process for separating polyurethane hydrolyzates into polyether and diamine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5726227A | Polymer moulding compositions stabilised with phosphorous acid esters | Chemistry; Metallurgy | 2 | Expired |
| US4282367A | Process for the separation of polyurethane foam hydrolysates into polyol and diamine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5223548A | Method of foaming thermoplastic polycarbonate | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.