公开(公告)号：US20220331849A1

公开(公告)日：2022-10-20

申请号：US17718176

申请日：2022-04-11

Applicant: KURARAY CO., LTD.

Inventor： Keisuke Morikawa ,  Pablo Garcia ,  Levi Neufeld

IPC: B09C1/08 ,  C09K17/52 ,  D21H19/60 ,  D21H19/40 ,  A01M13/00

Abstract: The present disclosure relates to a barrier paper comprising a paper coated with polyvinyl alcohol composition, and a method for reducing diffusion of soil fumigant using the same.

公开(公告)号：US12280409B2

公开(公告)日：2025-04-22

申请号：US17718176

申请日：2022-04-11

Applicant: KURARAY CO., LTD.

Inventor： Keisuke Morikawa ,  Pablo Garcia ,  Levi Neufeld

IPC: B09C1/08 ,  A01M13/00 ,  C09K17/52 ,  D21H19/40 ,  D21H19/60

Abstract: The present disclosure relates to a barrier paper comprising a paper coated with polyvinyl alcohol composition, and a method for reducing diffusion of soil fumigant using the same.

公开(公告)号：US11118105B2

公开(公告)日：2021-09-14

申请号：US16554078

申请日：2019-08-28

Applicant: KURARAY CO., LTD.

Inventor： Ghebrehiwet Ghebremeskel ,  Masaki Kato ,  Levi Neufeld ,  Brittany Spell

IPC: C09K8/88 ,  C08F216/38 ,  C08F220/18 ,  C08L29/14 ,  C08L33/06 ,  E21B33/138

Abstract: Provided are particulate polyvinyl alcohol-based diverting agents for use in subterranean treatments, which are prepared by compacting a specified polyvinyl alcohol copolymer optionally with certain specified additives and optionally other polyvinyl alcohols.