Garry E. Kiefer
25Patents
13h-index
32Co-inventors
81Inventor score
Filing activity: Dec 10, 1991 → Jan 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5435990A | Macrocyclic congugates and their use as diagnostic and therapeutic agents | Human Necessities | 48 | Expired |
| US5428139A | Bicyclopolyazamacrocyclophosphonic acid complexes for use as radiopharmaceuticals | Human Necessities | 42 | Expired |
| US5480990A | Bicyclopolyazamacrocyclocarboxylic acid complexes for use as contrast agents | Human Necessities | 36 | Expired |
| US5385893A | Tricyclopolyazamacrocyclophosphonic acids, complexes and derivatives thereof, for use as contrast agents | Physics | 32 | Expired |
| US5652361A | Macrocyclic ligands and complexes | Human Necessities | 30 | Expired |
| US5587451A | Process for preparing polyazamacrocycles | Chemistry; Metallurgy | 25 | Expired |
| US5928627A | Fluorescent chelates as visual tissue specific imaging agents | Physics | 25 | Expired |
| US5834456A | Polyazamacrocyclofluoromonoalkylphosphonic acids, and their complexes, for use as contrast agents | Chemistry; Metallurgy | 23 | Expired |
| US5462725A | 2-pyridylmethylenepolyazamacrocyclophosphonic acids, complexes and derivatives thereof, for use as contrast agents | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5739294A | Bicyclopol yazamacrocyclophosphonic acid complexes for use as contrast agents | Chemistry; Metallurgy | 19 | Expired |
| US5750660A | Bicyclopolyazamacrocyclophosphonic acid half esters | Chemistry; Metallurgy | 19 | Expired |
| US5320829A | Oral compositions for inhibiting plaque formation | Human Necessities | 16 | Expired |
| US5714604A | Process for the preparation of azamacrocyclic or acyclic aminophosphonate ester derivatives | Chemistry; Metallurgy | 14 | Expired |
| US6962690B2 | Tissue specific fluorescent chelates possessing long wavelength UV excitation | Chemistry; Metallurgy | 10 | Expired |
| US6670456B2 | Actinium-225 complexes and conjugates for targeted radiotherapy | Human Necessities | 9 | Expired |
| US5362476A | Alkyl phosphonate polyazamacrocyclic cheates for MRI | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5630997A | Phosphorylated polyazamacrocyclic compounds for complexation of metal ions | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5678241A | Process for concentrating thorium containing magnesium slag | Physics | 3 | Expired |
| US7279150B2 | Chelating agents with lipophilic carriers | Chemistry; Metallurgy | 3 | Expired |
| US5318772A | Oral compositions for inhibiting calculus formation | Human Necessities | 2 | Expired |
| US7727512B2 | Chelating agents with lipophilic carriers | Chemistry; Metallurgy | 2 | Active |
| US8003078B2 | Targeted MR imaging agents | Chemistry; Metallurgy | 1 | Active |
| US8198101B2 | Bifunctional polyazamacrocyclic chelating agents | Chemistry; Metallurgy | 1 | Active |
| US8518715B2 | Bifunctional polyazamacrocyclic chelating agents | Chemistry; Metallurgy | 0 | Active |
| US11541133B2 | Treatment of cancer cells overexpressing somatostatin receptors using ocreotide derivatives chelated to radioisotopes | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.