Rudolf Sundermann
21Patents
12h-index
26Co-inventors
81Inventor score
Filing activity: Dec 4, 1974 → May 12, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4195132A | Cross-linked plastics based on cyanic acid esters and method of production thereof | Chemistry; Metallurgy | 50 | Expired |
| US4552874A | Pyrazolooxazines, pyrazolothiazines, and pryazoloquinolines and their use as medicaments | Chemistry; Metallurgy | 36 | Expired |
| US4388246A | Process for the preparation of polyisocyanates | Chemistry; Metallurgy | 33 | 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 |
| US4430505A | Process for the preparation of N,O-disubstituted urethanes useful for the preparation of isocyanates | Chemistry; Metallurgy | 22 | Expired |
| US4154752A | Preparation of partially carbodiimidized methylenebis (phenyl isocyanate) | Chemistry; Metallurgy | 20 | 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 |
| US4042567A | S-Triazine prepolymers and a process for their production | Chemistry; Metallurgy | 15 | Expired |
| US4036838A | Process for the production of nitro derivatives of aromatic compounds | Chemistry; Metallurgy | 15 | Expired |
| US5345012A | Process for the preparation of dinitrotoluene | Chemistry; Metallurgy | 13 | Expired |
| US5925783A | Process for the preparation of isocyanates | Chemistry; Metallurgy | 11 | 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 |
| US4060541A | Aromatic cyanic acid esters | Chemistry; Metallurgy | 9 | Expired |
| US4049630A | Process for preparation of s-triazine prepolymers | Chemistry; Metallurgy | 8 | Expired |
| US4031067A | Polytriazines and a process for their production | Chemistry; Metallurgy | 6 | Expired |
| US4094861A | Process for the production of non-inflammable polytriazines | Chemistry; Metallurgy | 6 | Expired |
| US5525683A | Ether-linked amine-terminated polyesters and a process for their production | Chemistry; Metallurgy | 3 | Expired |
| US4142048A | Production of tris-(2-hydroxyaryl) esters of cyanuric acid | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.