Helmut Kaspers
31Patents
6h-index
24Co-inventors
69Inventor score
Filing activity: Sep 2, 1970 → Oct 30, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3952002A | Triazolyl-O,N-acetals | Chemistry; Metallurgy | 103 | Expired |
| US4005083A | Metal complexes of azolyl ethers | Chemistry; Metallurgy | 39 | Expired |
| US4098894A | Triphenyl-1,2,3-triazolyl-(1)-methanes, and compositions and methods for combating fungi and bacteria employing them | Chemistry; Metallurgy | 13 | Expired |
| US4582843A | Triazolyl-alkanones or triazolyl-alkanols | Chemistry; Metallurgy | 12 | Expired |
| US3972892A | 1-[1,2,4-TRIAZOLYL-(1)]-2-ARYLOXY-3-HYDROXY-ALKANES | Chemistry; Metallurgy | 9 | Expired |
| US4772623A | Triazolyl-alkanones or triazolyl-alkanols | Chemistry; Metallurgy | 8 | Expired |
| US5086048A | Mixture of fungicidal agents | Human Necessities | 6 | Expired |
| US4776877A | Triazolyl-alkanones or triazolyl-alkanols | Chemistry; Metallurgy | 5 | Expired |
| US4902704A | Synergistic fungicidal compositions | Human Necessities | 5 | Expired |
| US5059617A | Synergistic fungicidal compositions | Human Necessities | 4 | Expired |
| US3932406A | 2-Trifluoromethylimino-1,3-dithiolo [4,5-b]-quinoxalines | Chemistry; Metallurgy | 4 | Expired |
| US3939189A | N-fluorodichl oromethylthio)-n-(trifluoromethyl)-aminobenzhydroxamic acids salts | Human Necessities | 4 | Expired |
| US4073901A | Metal complexes of N-trityl-azoles for combatting fungi | Chemistry; Metallurgy | 4 | Expired |
| US4101575A | N-aryl-N'-(2,3-dihalogeno-alkanoyl)-ureas | Chemistry; Metallurgy | 3 | Expired |
| US4888349A | Mixture of fungicidal agents | Human Necessities | 3 | Expired |
| US5405860A | Triazolyl-alkanones or triazolyl-alkanols | Chemistry; Metallurgy | 3 | Expired |
| US4912122A | Triazolyl alkanones or triazolyl-alkanols | Chemistry; Metallurgy | 2 | Expired |
| US4803214A | Fungicidal active compound combinations | Human Necessities | 2 | Expired |
| US3971804A | Bis-trifluoro methyl-imino-imidazolones | Chemistry; Metallurgy | 2 | Expired |
| US4514402A | Mixture of fungicidal agents | Human Necessities | 2 | Expired |
| US3935312A | Combating fungi with imidazo-[4,5-b]quinoxalines | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4831048A | Fungicidal active compound combinations | Human Necessities | 0 | Expired |
| US4990528A | Mixture of fungicidal agents | Human Necessities | 0 | Expired |
| USRE31625E | Fungicidal agents processes for their preparation and their use for combating fungi | General | 0 | Expired |
| US4914119A | Fungicidal agents | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.