US 7,321,059 B2
Compounds for use as surfactants
Brian Edgar Looker, Stevenage (United Kingdom); Christopher James Lunniss, Stevenage (United Kingdom); and Alison Judith Redgrave, Stevenage (United Kingdom)
Assigned to Glaxo Group Limited, Greenford, Middlesex (United Kingdom)
Appl. No. 10/492,606
PCT Filed Oct. 17, 2002, PCT No. PCT/EP02/11635
§ 371(c)(1), (2), (4) Date Apr. 15, 2004,
PCT Pub. No. WO03/035237, PCT Pub. Date May 01, 2003.
Claims priority of application No. 0125127.1 (GB), filed on Oct. 19, 2001.
Prior Publication US 2005/0048024 A1, Mar. 03, 2005
This patent is subject to a terminal disclaimer.
Int. Cl. C07C 59/00 (2006.01); C07C 59/10 (2006.01); C07C 69/66 (2006.01); A61M 11/00 (2006.01)
U.S. Cl. 562—587  [562/586; 560/186; 128/200.14] 42 Claims
 
1. A compound of fonnula (I)

OG Complex Work Unit Drawing
or a salt or solvate thereof wherein:
n and N independently represent an integer 2 to 12;
m1 and m2 independently represent an integer 1 to 15; and
R1 and R2 independently represent —(CO)xC1-9 alkyl, or —(CO)xC1-9 fluoroalkyl, which fluoroalkyl moiety contains at least 1 fluorine atom and not more than 3 consecutive perfluorocarbon atoms
wherein x represents 0 or 1.