Albert Pfiffner
28Patents
5h-index
21Co-inventors
69Inventor score
Filing activity: Dec 5, 1968 → Oct 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4202894A | Piperidines morpholines, etc., and fungicidal compositions thereof | Chemistry; Metallurgy | 36 | Expired |
| US4241058A | Heterocyclics useful as fungicides and fungicidal compositions thereof | Chemistry; Metallurgy | 22 | Expired |
| US3957833A | Alkynyloxy-phenyl derivatives | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5288928A | Asymmetrical hydrogenation | Chemistry; Metallurgy | 5 | Expired |
| US4678790A | Certain .alpha.-benzyl-3-pyridylmethanols, N-oxides thereof and their fungicidal use | Chemistry; Metallurgy | 5 | Expired |
| US4138579A | Alkynyloxy-phenyl derivatives | Chemistry; Metallurgy | 4 | Expired |
| US3983247A | 2,4-Dodecadienoic acid esters and use for insecticides | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3944531A | Phenyl derivatives | Chemistry; Metallurgy | 3 | Expired |
| US3957763A | Phenyl derivatives | Chemistry; Metallurgy | 3 | Expired |
| US3966780A | Propargyl esters of 7,11-substituted dodecadienoic acids | Chemistry; Metallurgy | 3 | Expired |
| US4001339A | Phenyl derivatives | Chemistry; Metallurgy | 3 | Expired |
| US5606095A | 2-aminooxymethylenephenylacetic acid derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4384116A | Process for the preparation of morpholine and piperidine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5710314A | Microbicides | Chemistry; Metallurgy | 2 | Expired |
| US4027033A | Pesticides | Chemistry; Metallurgy | 2 | Expired |
| US4120974A | Certain epoxy compounds in admixture as insect regulating agents | Chemistry; Metallurgy | 2 | Expired |
| US4137329A | Insecticidal propargyl ethers | Chemistry; Metallurgy | 1 | Expired |
| US3983243A | Epithio compounds | Textiles; Paper | 1 | Expired |
| US5756811A | Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4051319A | Alkynyloxy-phenyl derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4235932A | Pesticidal 1,4-bis-[(-propynyloxy)-methyl]-benzene and 1,4-bis-[(2-propynyloxy)-methyl] cyclohexane | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4002647A | Novel benzofuranyl pest retardants | Chemistry; Metallurgy | 1 | Expired |
| US3957729A | Process for the preparation of tridecadien derivatives | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4270009A | 1,4-Bis-[(2-propynyloxy)-methyl] cyclohexane | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6124493A | Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.