Abraham Patchornik
35Patents
6h-index
14Co-inventors
66Inventor score
Filing activity: Jun 24, 1974 → Mar 14, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4045438A | Cephalosporin antibiotics | Chemistry; Metallurgy | 17 | Expired |
| US8153612B2 | Injectable chitosan mixtures forming hydrogels | Chemistry; Metallurgy | 14 | Active |
| US9034348B2 | Injectable chitosan mixtures forming hydrogels | Chemistry; Metallurgy | 10 | Active |
| US4154674A | Process for removing constituents from a mixture | Chemistry; Metallurgy | 7 | Expired |
| US3974110A | Modification of polystyrene by Friedel-Crafts reaction with substituted halo ethyl benzenes and haloethylphenols to make supports for solid phase peptide synthesis | Chemistry; Metallurgy | 7 | Expired |
| US4552922A | Method for multipolymer synthesis of organic compounds | Chemistry; Metallurgy | 6 | Expired |
| US4698208A | Apparatus for multipolymer synthesis of organic compounds | Chemistry; Metallurgy | 5 | Expired |
| US4031083A | Cephalosporin antibiotics | Chemistry; Metallurgy | 5 | Expired |
| US4244885A | .alpha.-Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids | Chemistry; Metallurgy | 4 | Expired |
| US4124762A | 7-[(Pyridylthiomethyl)phenyl]acetamido-cephalosporin derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4197240A | Penicillin derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4148997A | 7-[Sulfomethyl)phenyl]acetamidocephalosporin derivatives | Human Necessities | 3 | Expired |
| US4317887A | Metal complexing polymers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5283196A | Polyacrylamide gels with improved detection of protein | Emerging Cross-Sectional Technologies | 3 | Expired |
| US3948904A | Isothiourea substituted cephalosporin derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4026887A | Cephalosporin antibiotics | Chemistry; Metallurgy | 3 | Expired |
| US4124761A | 7-[(SUBSTITUTED-THIOMETHYL)PHENYL] ACETAMIDOCEPHALOSPORIN DERIVATIVES | Chemistry; Metallurgy | 2 | Expired |
| US4150224A | 7[[(1-Pyrrollyl)7 acetyl]amino]cephalosporin derivatives | Human Necessities | 2 | Expired |
| US4122260A | Cephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4093804A | Pyridiniummethylaryl-substituted cephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4125715A | 7-[(Substituted-isothioureamethyl)phenyl]-acetamidocephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4172942A | 7-[(Substituted-thiomethyl)phenyl]acetamidocephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4180660A | Cephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4118562A | Azidomethylaryl-substituted cephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4180661A | 7-[(Substituted-isothioureamethyl)phenyl]-acetamidocephalosporin derivatives | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.