Invention Grant
- Patent Title: Dry strength agent composition and method for enhancing the dry strength of paper
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Application No.: US15773667Application Date: 2016-12-30
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Publication No.: US10704201B2Publication Date: 2020-07-07
- Inventor: Yulin Zhao , Chunhao Wang , Na Xu , Jun Li , Meng Zhang
- Applicant: ECOLAB USA INC.
- Applicant Address: US MN St. Paul
- Assignee: ECOLAB USA INC.
- Current Assignee: ECOLAB USA INC.
- Current Assignee Address: US MN St. Paul
- Agency: Barnes & Thornburg LLP
- Agent Eric D. Babych
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@6498b4ee
- International Application: PCT/CN2016/113329 WO 20161230
- International Announcement: WO2017/114478 WO 20170706
- Main IPC: D21H17/26
- IPC: D21H17/26 ; D21H21/18 ; D21H17/45 ; D21H17/42 ; D21H27/10 ; D21H17/44 ; D21H17/47 ; D21H17/56 ; D21H17/37 ; D21H17/36 ; D21H17/43
Abstract:
The present disclosure relates to a dry strength agent composition, use of an amine-containing cationic polymer for enhancing the dry strength of paper, and a method for enhancing the dry strength of paper. The dry strength agent composition includes at least two components. The first component is an amine-containing cationic polymer and the second component may be one or more anionic or amphoteric polymers.
Public/Granted literature
- US20180320316A1 DRY STRENGTH AGENT COMPOSITION AND METHOD FOR ENHANCING THE DRY STRENGTH OF PAPER Public/Granted day:2018-11-08
Information query
