Joseph L Wegner

US Patent:

20120085931, Apr 12, 2012

Filed:

Oct 6, 2011

Appl. No.:

13/267705

Inventors:

NICOLE BURNS - Elko MN, US
XIN SUN - Eagan MN, US
THOMAS R. MOHS - Eagan MN, US
JOSEPH R. WEGNER - Falcon Heights MN, US
MARK LEVITT - Lake Elmo MN, US
STEVEN E. LENTSCH - St. Paul MN, US

Assignee:

ECOLAB USA INC. - St. Paul MN

International Classification:

G01N 21/64
C08B 1/00
C08F 26/10
C07C 217/28
C07C 69/675
C09K 11/06
C08B 37/00

US Classification:

2504591, 25230121, 536 56, 536114, 564292, 560187, 5253269

Abstract:

Fluorescing gel formulations are disclosed for monitoring cleaning of a surface. The fluorescing gel formulations are stable, fluoresce under UV light, and do not leave a mark after drying and removal. The compositions include an oppositely charged complexing agent which is used in combination with an anionic or cationic optical brightener. In some embodiments, the compositions include a cationic optical brightener with no complexing agent.