Invention Grant
US4045377A Cationic polymer prepared from dicyandiamide, a polyamide, a
dialkylamine, and an epoxide
失效
由双氰胺,聚酰胺,二烷基胺和环氧化物制备的阳离子聚合物
- Patent Title: Cationic polymer prepared from dicyandiamide, a polyamide, a dialkylamine, and an epoxide
- Patent Title (中): 由双氰胺,聚酰胺,二烷基胺和环氧化物制备的阳离子聚合物
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Application No.: US624212Application Date: 1975-10-20
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Publication No.: US4045377APublication Date: 1977-08-30
- Inventor: Stephen C. Pearson
- Applicant: Stephen C. Pearson
- Applicant Address: DE Wilmington
- Assignee: Hercules Incorporated
- Current Assignee: Hercules Incorporated
- Current Assignee Address: DE Wilmington
- Main IPC: C08G73/00
- IPC: C08G73/00 ; B01D21/01 ; B01J45/00 ; C08G73/02 ; C08L63/00 ; C02B1/20 ; C08G59/18
Abstract:
Cationic polymers which are useful as flocculants are prepared by reacting (a) a condensation polymer prepared from dicyandiamide and a polyalkylenepolyamine, (b) a dialkylamine, and (c) a difunctional epoxide.
Public/Granted literature
- US5739733A Dispersion compensation technique and apparatus for microwave filters Public/Granted day:1998-04-14
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