John H. Clements
10Patents
3h-index
10Co-inventors
57Inventor score
Filing activity: Sep 24, 1979 → Apr 24, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4275752A | Fluid flow apparatus and method | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6262297A | Preparation of hydroxyalkylcarbamates from six-membered cyclic carbonates | Chemistry; Metallurgy | 12 | Expired |
| US6498278B1 | Alkoxylation of 6-membered alkylene carbonates | Chemistry; Metallurgy | 11 | Expired |
| US6855795B2 | Catalyst removal process | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10731070B2 | Poly (vinyl carprolactam) kinetic gas hydrate inhibitor and method for preparing the same | Chemistry; Metallurgy | 1 | Active |
| US11124693B2 | Hydroxyalkylurethane kinetic hydrate inhibitors | Chemistry; Metallurgy | 1 | Active |
| US6479593B2 | Absorbent polymer modification | Chemistry; Metallurgy | 1 | Expired |
| US11008503B2 | Water-in-oil hydraulic fracturing fluid and method of using such | Fixed Constructions | 0 | Active |
| US11292953B2 | Method of producing hydroxyalkylcarbamate-functional polyamides and uses thereof | Chemistry; Metallurgy | 0 | Active |
| US6710203B2 | Preparation of hydroxyalkylcarbamates from six-membered cyclic carbonates | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.