Invention Grant
- Patent Title: Method for preventing pitch trouble
- Patent Title (中): 防止俯仰故障的方法
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Application No.: US737747Application Date: 1997-03-24
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Publication No.: US5800677APublication Date: 1998-09-01
- Inventor: Yasuo Kato
- Applicant: Yasuo Kato
- Applicant Address: JPX
- Assignee: Nissin Kagaku Kenkyusho Co., Ltd.
- Current Assignee: Nissin Kagaku Kenkyusho Co., Ltd.
- Current Assignee Address: JPX
- Priority: JPX7-073524 19950330
- Main IPC: D21C9/08
- IPC: D21C9/08 ; D21H21/02
Abstract:
The invention provides a method for preventing pitch trouble which comprises adding to a pulp slurry a pitch-controlling agent comprising 100 parts by weight of a zinc salt of a higher fatty acid and from 1 to 20 parts by weight of a cationic surfactant.
Public/Granted literature
- US5239259A Moving magnet type indicating instrument combined with a counter mechanism Public/Granted day:1993-08-24
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