Rolf Platz
31Patents
7h-index
35Co-inventors
65Inventor score
Filing activity: May 21, 1973 → Nov 28, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4482499A | Process for the preparation of isocyanates by thermal cleaving of urethanes | Chemistry; Metallurgy | 20 | Expired |
| US4361710A | Preparation of butane-1,4-diol | Chemistry; Metallurgy | 19 | Expired |
| US4118588A | Manufacture of methacrylic acid and methyl methacrylate | Chemistry; Metallurgy | 19 | Expired |
| US4171451A | Manufacture of butanedicarboxylic acid esters | Chemistry; Metallurgy | 10 | Expired |
| US4176137A | Manufacture of carboxylic acid amides | Chemistry; Metallurgy | 8 | Expired |
| US4550195A | Manufacture of pent-3-enoic acid and its alkyl esters | Chemistry; Metallurgy | 8 | Expired |
| US3980670A | Manufacture of methacrylic acid and butyrolactone | Chemistry; Metallurgy | 7 | Expired |
| US4298766A | Preparation of 2-methyl-pentane-2,4-diol | Chemistry; Metallurgy | 7 | Expired |
| US4258203A | Preparation of butanedicarboxylic acid esters | Chemistry; Metallurgy | 6 | Expired |
| US4187384A | Preparation of mono- and poly-ethylene glycol dialkyl ethers | Chemistry; Metallurgy | 5 | Expired |
| US4189434A | Polycyclic nitrogen-containing compounds | Chemistry; Metallurgy | 5 | Expired |
| US3956387A | Manufacture of concentrated aqueous (meth)acrylamide solutions by catalytic addition of water to (meth)acrylonitrile | Performing Operations; Transporting | 5 | Expired |
| US3960916A | Manufacture of organic isocyanates | Chemistry; Metallurgy | 4 | Expired |
| US4138591A | Manufacture of alkylphenols | Chemistry; Metallurgy | 4 | Expired |
| US4350819A | 1-Hydroxypyrazole | Chemistry; Metallurgy | 3 | Expired |
| US4305888A | Manufacture of salts of dicarboxylic acids and diamines | Chemistry; Metallurgy | 2 | Expired |
| US4158008A | Manufacture of propylene oxide | Chemistry; Metallurgy | 2 | Expired |
| US3978105A | Manufacture of organic isocyanates | Chemistry; Metallurgy | 2 | Expired |
| US3988379A | Manufacture of cyclohexanol from cyclohexene | Chemistry; Metallurgy | 2 | Expired |
| US4310345A | Polycyclic nitrogen-containing compounds | Chemistry; Metallurgy | 1 | Expired |
| US4380642A | Simultaneous preparation of pyrazole and triazoles | Chemistry; Metallurgy | 1 | Expired |
| US4562262A | Preparation of polycyclic nitrogen-containing compounds | Chemistry; Metallurgy | 1 | Expired |
| US4014753A | Propylene oxide recovery by azeotropic distillation of methyl formate-2-methylpentane | Chemistry; Metallurgy | 1 | Expired |
| US4219666A | Preparation of carboxylic acid esters of vicinal glycols | Chemistry; Metallurgy | 1 | Expired |
| US4268300A | Tri/penta/aza-tetracyclo-dodeca/enes/dienes or-decaenes | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.