05738687 is referenced by 9 patents and cites 16 patents.

A method for imparting soil resistance to unscoured carpets, and a carpet treated in accordance with the method, are provided. In accordance with the method, a substrate comprising unscoured carpet fibers is treated with the ammonium salt of a polycarboxylic acid, such as an ammonium salt of a hydrolyzed styrene/maleic anhydride copolymer. The treated substrate is found to have enhanced water and oil repellency in both heat cured and room temperature drying conditions.

Title
Method for treating carpets with polycarboxylate salts to enhance soil resistance and repellency
Application Number
8/685257
Publication Number
5738687
Application Date
July 23, 1996
Publication Date
April 14, 1998
Inventor
Irvin F Dunsmore
Ham Lake
MN, US
Shou Lu G Wang
Woodbury
MN, US
John C Chang
New Brighton
MN, US
Robert F Kamrath
Mahtomedi
MN, US
Agent
John A Fortkort
Assignee
Minnesota Mining and Manufacturing Company
MN, US
IPC
D06M 13/46
D06M 13/325
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