Composition and process for indicating the presence of...

Details Composition and process for indicating the presence of... Composition and process for indicating the presence of...

2005-11-01

2005-11-01

Cole, Monique T. (Department: 1743)

Chemistry: analytical and immunological testing

Halogen containing

C424S052000

Reexamination Certificate

active

06960475

ABSTRACT:
Disclosed is a process for indicating the presence of soluble fluoride ions in oral care compositions comprising making a signal solution and then bringing the signal solution into contact with an oral care composition and a color change occurs if an effective amount of soluble fluoride ion is present in the oral care composition. Further disclosed are test compositions for use in such process.

REFERENCES:
patent: 1006908 (1911-10-01), Palin
patent: 1007024 (1911-10-01), Earnheart
patent: 3202616 (1965-08-01), Johnson
patent: 3458286 (1969-07-01), Pallin
patent: 5053339 (1991-10-01), Patel
patent: 6375934 (2002-04-01), Eklund et al.
patent: 61 2819 63 (1985-06-01), None

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