国家/地区
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08K（3）
IPC C08K003/04（3）
发明人
公开年 2023（3）
申请年 2023（3）
专利权人

Manufacturing graphene flakes for producing coated steel pipe piles as construction material, comprises preparing iron-intercalated layered graphite using iron-intercalated layered graphite, and pulverizing using plasma pulverizer.

LEE S S, CHO J S

Advanced deep hole liquid explosion fracturing structure useful for downlink comprehensive digging hard rock tunnel, has bag injecting pipe whose end is set on outer side of blast hole, and bag hole sealing device filled with special blasting hole sealing grouting material.

YANG S, TONG X, GAO A, YANG J, XU G

Preparing polymer-sand nanocomposite lost circulation material for forming barrier to overcome lost circulation in hydrocarbon wellbore, involves combining cross-linker solution and sand particles; combining hydrogel polymer, organic cross-linker and salt; and combining polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A