Patent Number: 6,309,752

Title: Substrate having high initial water repellency and a laundry durable water repellency

Abstract: Compositions comprising a fluorochemical agent, a copolymer extender, and a blocked isocyanate extender and substrates treated with such compositions that possess high initial water repellency and laundry durable water repellency.

Inventors: Dams; Rudolf J. (Zwijndrecht, BE), DeWitte; Johan E. (Westmalle, BE), Maes; Christoffel C. (Ekeren, BE)

Assignee: 3M Innovative Properties Company

International Classification: D06M 15/277 (20060101); D06M 15/564 (20060101); D06M 15/21 (20060101); D06M 15/37 (20060101); D06M 15/263 (20060101); B32B 027/12 (); C08F 014/18 (); C08F 018/20 ()

Expiration Date: 10/30/2018