Helmut Zondler
37Patents
9h-index
27Co-inventors
75Inventor score
Filing activity: Jun 10, 1974 → Dec 17, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4436892A | Imidazolides | Chemistry; Metallurgy | 33 | Expired |
| US4945100A | Process for the preparation of 1-triazolylethyl ether derivatives | Chemistry; Metallurgy | 33 | Expired |
| US4694009A | Pesticidal compositions | Chemistry; Metallurgy | 33 | Expired |
| US4659363A | N-(2-nitrophenyl)-2-aminopyrimidine derivatives, the preparation and use thereof | Chemistry; Metallurgy | 29 | Expired |
| US4550203A | Process for the preparation of N-substituted N-cyancarboxylic acid amides | Chemistry; Metallurgy | 20 | Expired |
| US4324739A | Dimethylamino derivatives and their use | Chemistry; Metallurgy | 18 | Expired |
| US4587311A | Novel imidazolides and their use as curing agents for polyepoxide compounds | Chemistry; Metallurgy | 18 | Expired |
| US4122128A | Storable rapidly hardening epoxy resin adhesive | Chemistry; Metallurgy | 15 | Expired |
| US4129556A | Curable epoxide resin mixtures | Chemistry; Metallurgy | 14 | Expired |
| US4117038A | Storable, rapidly hardening epoxy resin adhesive | Chemistry; Metallurgy | 9 | Expired |
| US4201854A | Curable epoxide resin mixtures | Chemistry; Metallurgy | 9 | Expired |
| US4628105A | Novel imidazolides and their use as curing agents for polyepoxide compounds | Chemistry; Metallurgy | 8 | Expired |
| US4352913A | Dimethylamino derivatives and their use | Chemistry; Metallurgy | 6 | Expired |
| US4980355A | Compositions for protecting plants against disease | Chemistry; Metallurgy | 6 | Expired |
| US4151229A | Process for the manufacture of aminoalkyl-phosponic acid esters | Chemistry; Metallurgy | 5 | Expired |
| US5468751A | Aminopyrimidine derivatives as microbicides, insecticides and acaricides | Chemistry; Metallurgy | 4 | Expired |
| US3945953A | .omega.,.omega.'-Bis-[4-amino-3-aminomethyl-piperidyl-(1)]-alkanes, process for their manufacture and their use | Chemistry; Metallurgy | 4 | Expired |
| US3971792A | Process for the manufacture of 4-amino-3-aminomethylpiperidine | Chemistry; Metallurgy | 3 | Expired |
| US4182832A | Curable composition containing 1,4-diaminobutane derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4163098A | Coating compound based on epoxide resin, an amine curing agent, and a hydrazone modifier | Chemistry; Metallurgy | 3 | Expired |
| US4113669A | Polymers flameproofed with 1,2-oxaphospholanes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4959096A | Compositions for protecting plants against disease | Chemistry; Metallurgy | 2 | Expired |
| US4767443A | Antifungal and antibacterial diazine derivatives compositions, intermediates, and method of use therefor | Chemistry; Metallurgy | 2 | Expired |
| US6268308A | Herbicidal S-substituted 1,2,4,6-thiatriazines | Chemistry; Metallurgy | 2 | Expired |
| US4537946A | Curable mixtures containing epoxy resins and isomelamines | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.