公开(公告)号：US20200071599A1

公开(公告)日：2020-03-05

申请号：US16554231

申请日：2019-08-28

Applicant: KURARAY CO., LTD.

Inventor： Ghebrehiwet GHEBREMESKEL ,  Masaki KATO ,  Keisuke MORIKAWA ,  Erik BATEHAM

IPC: C09K8/516 ,  C08F16/06 ,  C08L29/04 ,  C08J3/12 ,  E21B33/138

Abstract: Provided are low dust-content particulate polyvinyl alcohol-based compositions suitable for a variety of end uses including for use in subterranean treatments and for manufacturing chemical materials, which are prepared by compacting a specified polyvinyl alcohol polymer resins, optionally with specified additives and/or other polyvinyl alcohols.