David Oppong
26Patents
5h-index
23Co-inventors
69Inventor score
Filing activity: Sep 5, 1991 → Oct 28, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5776960A | Synergistic antimicrobial compositions containing an ionene polymer and a pyrithione salt and methods of using the same | Human Necessities | 23 | Expired |
| US5843865A | Synergistic antimicrobial compositions containing an ionene polymer and a salt of dodecylamine and methods of using the same | Human Necessities | 23 | Expired |
| US5328926A | Synergistic combinations of iodopropargyl compounds with 1,2-benzisothiazolin-3-one in controlling fungal and bacterial growth in aqueous fluids | Human Necessities | 12 | Expired |
| US6103666A | Synergistic antimicrobial compositions containing an ionene polymer and a salt of dodecylamine and methods of using the same | Human Necessities | 8 | Expired |
| US5726206A | Synergistic antimicrobial compositions containing a halogenated acetophenone and an organic acid | Human Necessities | 5 | Expired |
| US5874453A | Synergistic antimicrobial compositions containing a dimethylamide of a carboxylic acid with mixture of 2-(thiocyanomethylthio) benzothiazone and methylenebis (thiocyanate) | Chemistry; Metallurgy | 5 | Expired |
| US5441979A | Synergistic antimicrobial compositions containing methylene-bis(thiocyanate) and an organic acid | Human Necessities | 5 | Expired |
| US5374631A | Synergistic combinations of iodopropargyl compounds with hexahydro-1,3,5-tris(2-hydroxyethyl)-S-triazine in controlling fungal and bacterial growth in aqueous fluids | Chemistry; Metallurgy | 4 | Expired |
| US5441981A | Synergistic antimicrobial compositions containing a halogenated acetophenone and an organic acid | Human Necessities | 4 | Expired |
| US5198440A | Synergistic combinations of 2-(thiocyanomethylthio)-benzothiazole with hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine in controlling fungal and bacterial growth in aqueous fluids | Chemistry; Metallurgy | 4 | Expired |
| US6576629B1 | Microbicidal compositions and methods using combinations of propiconazole and N-alkyl heterocycles and salts thereof | Human Necessities | 4 | Expired |
| US5719172A | Synergistic antimicrobial compositions containing 2-(thiocyanomethylthio)benzothiazole and an organic acid | Human Necessities | 4 | Expired |
| US5604250A | Synergistic antimicrobial compositions containing 2-(thiocyanomethylthio) benzothiazole and an organic acid | Human Necessities | 3 | Expired |
| US6008236A | Synergistic antimicrobial compositions containing an ionene polymer and a pyrithione salt and methods of using the same | Human Necessities | 3 | Expired |
| US8951960B2 | Synergistic combination of DBNPA and polycyclic antibacterial peptide as biocide in bioethanol production | Emerging Cross-Sectional Technologies | 3 | Active |
| US5196443A | Synergistic combinations of 2-(thiocyanomethylthio) benzothiazole with a mixture of 4,4-dimethyloxazolidine and 3,4,4-trimethyloxazolidine in controlling fungal and bacterial growth in aqueous fluids | Human Necessities | 3 | Expired |
| US5902820A | Microbicidal compositions and methods using combinations of propiconazole with dodecylamine or a dodecylamine salt | Human Necessities | 3 | Expired |
| US5527826A | Synergistic antimicrobial compositions containing a halogenated acetophenone and an organic acid | Human Necessities | 3 | Expired |
| US5633278A | Synergistic antimicrobial compositions containing methylene-bis (thiocyanate) and an organic acid | Human Necessities | 2 | Expired |
| US5728730A | Synergistic antimicrobial compositions containing methylene-bis(thiocyanate) and an organic acid | Human Necessities | 2 | Expired |
| US10212937B2 | Microbicidal aqueous solutions including a monochloramine and a peracid, and methods of using the same | Textiles; Paper | 1 | Active |
| US5530024A | Synergistic antimicrobial compositions containing methylene-bis(thiocyanate) and an organic acid | Human Necessities | 1 | Expired |
| US9955698B2 | Microbicidal compositions including a monochloramine and a peracid, and methods of using the same | Human Necessities | 1 | Active |
| US5929073A | Synergistic antimicrobial compositions containing dodecylmorpholine a salt thereof and dodecylamine or a salt thereof | Human Necessities | 0 | Expired |
| US5654330A | Synergistic antimicrobial compositions containing a halogenated acetophenone and an organic acid | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.