Hans-Jerg Kleiner
174Patents
19h-index
98Co-inventors
89Inventor score
Filing activity: Aug 23, 1973 → Apr 2, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6365071B1 | Synergistic flame protection agent combination for thermoplastic polymers | Chemistry; Metallurgy | 98 | Expired |
| US5780534A | Flameproofed polyester molding composition | Chemistry; Metallurgy | 97 | Expired |
| US6013707A | Flameproofed polyester molding compositions | Chemistry; Metallurgy | 61 | Expired |
| US3941752A | Flame retarding linear polyesters and shaped articles thereof | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4871822A | Reaction product of olefinically unsaturated compounds with compounds containing active hydrogen, processes for their preparation and 2-component lacquers based thereon HOE 85/F O36J | Chemistry; Metallurgy | 47 | Expired |
| US4168963A | Herbicidal agents | Chemistry; Metallurgy | 47 | Expired |
| US6270560A | Flameproof polymer moulding material | Chemistry; Metallurgy | 31 | Expired |
| US5773556A | Low-flammability polyamide molding materials | Performing Operations; Transporting | 29 | Expired |
| US5084536A | Reaction product of olefinically unsaturated compounds with compounds containing active hydrogen, processes for their preparation and 2-component lacquers based thereon | Chemistry; Metallurgy | 29 | Expired |
| US4946920A | Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof | Chemistry; Metallurgy | 27 | Expired |
| US4069247A | Preparation of phosphonic and/or phosphinic acids | Chemistry; Metallurgy | 26 | Expired |
| US3962194A | Polyesters containing structural units derived from phosphonic acids or estere | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4693884A | Technetium-99m triphosphonates and tetraphosphonates for the scintigraphic visualization of res-containing organs and lymph vessels, and a process for their preparation | Human Necessities | 24 | Expired |
| US4001352A | Process for the preparation of ethane-1,2-diphosphinic acid diesters | Chemistry; Metallurgy | 24 | Expired |
| US4035343A | Flame resistant synthetic linear polyesters and shaped structures made thereof | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5587243A | Epoxy resin mixtures containing phosphonic/phosphinic acid anhydride adducts | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5648171A | Epoxy resin mixtures containing phosphorus acid/epoxy resin adducts | Emerging Cross-Sectional Technologies | 22 | Expired |
| US3939050A | Process for the preparation of ethane-1,2-diphosphinic acid diesters | Chemistry; Metallurgy | 19 | Expired |
| US4069245A | Preparation of phosphonic and/or phosphinic acids | Chemistry; Metallurgy | 19 | Expired |
| US5756804A | Homogeneous process for carrying out cross-coupling reactions | Performing Operations; Transporting | 18 | Expired |
| US4585845A | Phosphonic acid cross-linked hydrophilic copolymers | Chemistry; Metallurgy | 17 | Expired |
| US4331592A | Process for the preparation of carboxylic acid amides and peptides | Chemistry; Metallurgy | 16 | Expired |
| US4045480A | Process for preparing 1,2-oxa-phospholanes | Chemistry; Metallurgy | 16 | Expired |
| US5847184A | Process for preparing phosphorus-containing dicarboxylic acids | Chemistry; Metallurgy | 15 | Expired |
| US6211402A | Phosphinic acid aluminum salts | Chemistry; Metallurgy | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.