David Laffan
16Patents
3h-index
24Co-inventors
60Inventor score
Filing activity: Nov 13, 1991 → Jul 19, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7692006B2 | Phthalazinone derivatives | Human Necessities | 22 | Active |
| US8247416B2 | Phthalazinone derivative | Human Necessities | 15 | Active |
| US9371291B2 | Process for the manufacture of the calcium salt of rosuvastatin (E)-7-[4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]-pyrimidin-5-yl](3R,5S)-3,5-Dihydroxyhept-6-enoic acid and crystalline intermediates thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US6075145A | Catalysts containing zirconium oxide | Chemistry; Metallurgy | 2 | Expired |
| US5364946A | Process for the preparation of substituted pentaalkylchromenes | Chemistry; Metallurgy | 1 | Expired |
| US5276164A | Process for the production of 4-hydroxy-2-oxopyrrolidin-1-yl-acetamide | Chemistry; Metallurgy | 1 | Expired |
| US5344963A | Process for the production of substituted vinylbenzenes | Chemistry; Metallurgy | 1 | Expired |
| US5313007A | Substituted pentaalkylchromans | Chemistry; Metallurgy | 1 | Expired |
| US5371237A | Process for the production of 4-hydroxy-2-oxopyrrolidin-1-yl-acetamide | Chemistry; Metallurgy | 0 | Expired |
| US5200531A | Process for the production of threo-4-alkoxy-5- (arylhydroxymethyl)-2(5H)-furanones | Human Necessities | 0 | Expired |
| US8450482B2 | Process for the preparation of 4-(3-chloro-2-fluoroanilino)-7-methoxy-6-([1-(N-methylcarbamoymethyl)piperidin-4-yl]oxy)quinazoline | Chemistry; Metallurgy | 0 | Active |
| US7947667B2 | Process and intermediates for the production of 7-substituted antiestrogens | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5304663A | Process for the preparation of substituted pentaalkylchromenes | Chemistry; Metallurgy | 0 | Expired |
| US5292748A | Process for the production of substituted vinylbenzenes | Chemistry; Metallurgy | 0 | Expired |
| US5310953A | Substituted pentaalkylchromans | Chemistry; Metallurgy | 0 | Expired |
| US5274176A | Process for the production of substituted vinylbenzenes | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.