Patent Number: 8,721,942

Title: Composite membrane including coating of polyalkylene oxide and acetophenone compounds

Abstract: Composite membranes including a coating of polyalkylene oxide and acetophenone compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an acetophenone compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more acetophenone functional groups.

Inventors: Mickols; William E. (Chanhassen, MN), Zhang; Chunming (Midland, MI)

Assignee: Dow Global Technologies LLC

International Classification: B01D 67/00 (20060101); B01D 39/00 (20060101); B01D 39/14 (20060101); B01D 71/04 (20060101); B01D 29/46 (20060101); B29C 44/04 (20060101)

Expiration Date: 5/13/12018