Johnson & Johnson Consumer Inc.

Michael C Giano

Robert J Gambogi

Anthony R Geonnotti

Latrisha Petersen

Daniel Queiroz

Susan Knox

Anthony R Iii Geonnotti

Iii Geonnotti Anthony R

Provided are compounds described by the Formula I: wherein: Ris a linear or branched, saturated or unsaturated aliphatic group having from 5 to 22 carbon atoms; Ris selected from the group consisting of the functional groups: and salts thereof; n is from 0 to 4; and Ris a linear or branched, saturated or unsaturated aliphatic group having from 1 to 6 carbon atoms. Also provided are compositions comprising, and methods of use of, the compounds of the present invention.

Amino acid derivatives and their uses

Provided are compounds described by the Formula I: wherein: Ris a linear or branched, saturated or unsaturated aliphatic group having from 5 to 22 carbon atoms; Ris selected from the group consisting of the functional groups: and salts thererof; n is from 0 to 4; and Ris a linear or branched, saturated or unsaturated aliphatic group having from 1 to 6 carbon atoms. Also provided are compositions comprising, and methods of use of, the compounds of the present invention.

Provided are methods of detecting tooth stain prevention and/or removal comprising the steps of providing pellicle-coated hydroxyapatite particles, contacting the particles with a first solution and then a second solution, wherein the first solution is either a test solution or a stain solution and the second solution is the other of said test solution or stain solution, separating from the resulting particles a liquid comprising stain introduced in the contacting step b), and measuring the UV-Vis absorbance of the separated liquid to determine the amount of stain in the liquid.

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Southampton, NJ, United States of America

Michael C Giano