Process for preparing metal-chelate retarder by sol-gel method
US-11603488-B2 · Mar 14, 2023 · US
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Cnpc Bohai Drilling Eng Co Ltd patents
Cnpc Bohai Drilling Eng Co Ltd holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Mar 18, 2021 |
| Latest publication | Mar 14, 2023 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Process for preparing metal-chelate retarder by sol-gel method
US-2021079288-A1 · Mar 18, 2021 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Process for preparing metal-chelate retarder by sol-gel method
US-11603488-B2 · Mar 14, 2023 · US
Process for preparing metal-chelate retarder by sol-gel method
US-2021079288-A1 · Mar 18, 2021 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 2 |