Invention Grant
- Patent Title: Stable wet strength resin
- Patent Title (中): 稳定的湿强度树脂
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Application No.: US11091176Application Date: 2005-03-28
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Publication No.: US07683121B2Publication Date: 2010-03-23
- Inventor: Mingli Wei , Vladimir A. Grigoriev , Gary S. Furman, Jr. , William J. Ward
- Applicant: Mingli Wei , Vladimir A. Grigoriev , Gary S. Furman, Jr. , William J. Ward
- Applicant Address: US IL Naperville
- Assignee: Nalco Company
- Current Assignee: Nalco Company
- Current Assignee Address: US IL Naperville
- Agent Benjamin E. Carlsen; Michael B. Martin
- Main IPC: C08L77/06
- IPC: C08L77/06 ; C08G69/48 ; C08F6/00
Abstract:
A method of stabilizing an aqueous solution of polyaminoamide-epichlorohydrin resin comprising sequentially adding to the solution about 0.1 to about 10 weight percent of one or more strong acids and about 0.1 to about 10 weight percent of one or more weak acids to prepare a stabilized solution having a pH of about 3-4.
Public/Granted literature
- US20050217817A1 Stable wet strength resin Public/Granted day:2005-10-06
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