Philip C. Hamm
6Patents
4h-index
2Co-inventors
36Inventor score
Filing activity: Feb 6, 1975 → May 18, 1977
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4047927A | N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine and the herbicidal use thereof | Chemistry; Metallurgy | 11 | Expired |
| US4119430A | N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine and herbicidal compositions containing same | Human Necessities | 7 | Expired |
| US3979202A | Meta-bifunctional benzenes and herbicidal compositions | Chemistry; Metallurgy | 6 | Expired |
| US4013450A | Herbicidal ureido containing carbanilates | Chemistry; Metallurgy | 5 | Expired |
| US4063922A | N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine for treatment of sugarcane | Chemistry; Metallurgy | 0 | Expired |
| US4242122A | Herbicidal meta-bifunctional benzenes | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.