Diamond particles with multilayer hard coatings and polycrystalline diamond making therefrom
US-2026078289-A1 · Mar 19, 2026 · US
This page is not indexed by search engines while we improve data quality.
Cnpc Usa Corp — Chemistry & Metallurgy
Cnpc Usa Corp holds 132 patents in Chemistry & Metallurgy, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Cnpc Usa Corp |
| Technology | Chemistry & Metallurgy |
| Patents in slice | 132 |
| Recent patents in slice | 67 |
| First year | 2016 |
| Last year | 2026 |
Representative patents
Notable publications linking Cnpc Usa Corp to Chemistry & Metallurgy.
Di-alkyl chain surfactants as a main surfactant for enhancing oil recovery for tight oil formations
US-12565618-B2 · Mar 3, 2026 · US
Di-alkyl chain surfactants as a main surfactant for enhancing oil recovery for tight oil formations
US-12565618-B2 · Mar 3, 2026 · US
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
US-2025362215-A1 · Nov 27, 2025 · US
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
US-2025362215-A1 · Nov 27, 2025 · US
Recent filings
Latest patents from Cnpc Usa Corp in Chemistry & Metallurgy.
Diamond particles with multilayer hard coatings and polycrystalline diamond making therefrom
US-2026078289-A1 · Mar 19, 2026 · US
Di-alkyl chain surfactants as a main surfactant for enhancing oil recovery for tight oil formations
US-12565618-B2 · Mar 3, 2026 · US
Di-alkyl chain surfactants as a main surfactant for enhancing oil recovery for tight oil formations
US-12565618-B2 · Mar 3, 2026 · US
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
US-2025362215-A1 · Nov 27, 2025 · US
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
US-2025362215-A1 · Nov 27, 2025 · US
Related pages
Navigate to parent entity pages.