Invention Grant
- Patent Title: Heat sealable coating with filler
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Application No.: US15776551Application Date: 2016-11-16
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Publication No.: US10760218B2Publication Date: 2020-09-01
- Inventor: Chitai C. Yang , Rahul Bhardwaj , Chester E. Alkiewicz
- Applicant: WestRock MWV, LLC
- Applicant Address: US GA Atlanta
- Assignee: WestRock MWV, LLC
- Current Assignee: WestRock MWV, LLC
- Current Assignee Address: US GA Atlanta
- Agency: WestRock Intellectual Property Group
- International Application: PCT/US2016/062134 WO 20161116
- International Announcement: WO2017/091391 WO 20170601
- Main IPC: D21H27/10
- IPC: D21H27/10 ; B32B27/08 ; B32B27/20 ; B32B27/32 ; D21H27/18 ; D21H19/22 ; D21H19/38 ; D21H19/82 ; B32B27/10 ; D21H19/20 ; D21H27/30 ; B32B29/00 ; B32B27/18 ; D21H19/58
Abstract:
A coating for paperboard includes polyethylene outer layers and a polyethylene inner layer with calcium carbonate filler. In addition to the lower cost, benefits include a surprising better heat sealing behavior compared with a coating of polyethylene alone.
Public/Granted literature
- US20180347116A1 HEAT SEALABLE COATING WITH FILLER Public/Granted day:2018-12-06
Information query
