Rudolf Hopp
27Patents
7h-index
31Co-inventors
69Inventor score
Filing activity: Jan 22, 1975 → Aug 23, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5266592A | Compositions which have a physiological cooling effect, and active compounds suitable for these compositions | Human Necessities | 239 | Expired |
| US5585091A | Use of benzazoles UV absorbers, new benzazoles and a process for their preparation | Chemistry; Metallurgy | 61 | Expired |
| US4562067A | Preparation of novel dibenzoylmethane derivative sunscreen agents | Chemistry; Metallurgy | 55 | Expired |
| US5703123A | Method for causing a physiological cooling effect to the skin or mucosa involving the application of carbonic acid esters | Chemistry; Metallurgy | 31 | Expired |
| US6133003A | Process for the preparation of vanillin and microorganisms suitable therefor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4110430A | A method of deodorizing | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5017388A | Process for the preparation of vanillin | Chemistry; Metallurgy | 9 | Expired |
| US5248831A | Ethers of 1-hydroxy-hex-5-en-2-one, processes for their preparation and their use as odoriferous substances | Chemistry; Metallurgy | 5 | Expired |
| US4455295A | N-(p-Sulfophenyl) cinnamamide as sunscreen agent | Human Necessities | 5 | Expired |
| US5105005A | Alkadienenitriles, process for their preparation and their use | Chemistry; Metallurgy | 5 | Expired |
| US5510252A | Process for the preparation of substituted methoxyphenols and microorganisms suitable for this purpose | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4814322A | Scents, and scent compositions containing them | Chemistry; Metallurgy | 4 | Expired |
| US4664755A | Process for the purification of crude .beta.-phenylethyl alcohol | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5145703A | Thio-alkanones, process for their preparation and their use | Chemistry; Metallurgy | 3 | Expired |
| US5212153A | Cyclopentyl-cyanomethyl-cyclopentenes, process for their preparation and their use as odoriferous substances | Chemistry; Metallurgy | 3 | Expired |
| US4853368A | Methylcyclododecatri-2,5,9-en-1-ols, a process for their preparation, and their use | Chemistry; Metallurgy | 3 | Expired |
| US4988526A | Hemimercaptals, processes for their preparation, and edible compositions containing same | Chemistry; Metallurgy | 2 | Expired |
| US5319104A | Derivatives of cyclic lactones, a process for their preparation and a process for the preparation of 15-pentadecanolide and its homologues | Chemistry; Metallurgy | 2 | Expired |
| US4523023A | Preparation of isochromane derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4563365A | Flavoring with 5-methyl-hept-2-en-4-one | Chemistry; Metallurgy | 2 | Expired |
| US4154769A | Process for the production of 2-alkoxy-4-propen-1-yl-phenols | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5371013A | Process for the preparation of substituted methoxyphenols and microorganisms suitable for this purpose | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4647662A | Unsymmetrical dihydrodithiazines, and their use as fragrances and flavorings | Chemistry; Metallurgy | 1 | Expired |
| US5976863A | Process for the preparation of substituted methoxyphenols and microorganisms suitable for this purpose | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4710392A | Flavoring with oct-2-en-4-ol | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.