Inventor · disambiguated record
Long Chai
Also filed as: Chai long
1 granted patent·2 pending applications·0 citations·filing 2012–2013
5Inventor score
Technology areasC09K
Top patents by PatentIndex Score
3 records- 0140US9243180B2Filtration control agent and a drilling fluid containing the sameCHINA PETROLEUM & CHEMICAL·Filed 2012·Granted Jan 26, 2016·0 cites·17 claims
- 0237US2014186626A1Modified starch, preparation method and use of the same, and drilling fluidSINOPEC RES INST PETROLEUM·Filed 2013·Application pending·0 cites
- 0335US2013079257A1Dispersant and a drilling fluid containing the sameCHINA PETROLEUM & CHEMICAL·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →