Poly(oxyalkylene)ated Colorants and Their Use as Fluorescent Security Taggants
AssigneeSun Chemical Corporation
InventorsRussell Schwartz, Don DeRussy, Daniel F. Gloster, Stephen Postle, Rakesh Vig, Ewell Cook, Tatiana Romanova
Life of this patent
Estimating the term…
Abstract
Certain poly(oxyalkylene) colorants are disclosed along with method of preparation thereof. A method of using these colorants as fluorescent security taggants is also disclosed.
Claims54
A perylene poly(oxyalkylene)bisimide compound having the following chemical formula I:
- wherein each of A and B is independently selected from the group consisting of:
- H, OH, OR4, N(R3)2, alkyl, F, CL, Br, I, NO2, CN, −NCS, −SCN;
- R3 is selected from the group consisting of:
- alkyl, aralkyl, alkaryl, polyalkylene oxide;
- and each of R13 and R14 is independently a polyalkylene oxide.
A perylene poly(oxyalkylene) tetraamide compound having the following chemical formula II:
- wherein each of A and B is independently selected from the group consisting of:
- H, OH, OR4, N(R3)2, alkyl, F, CL, Br, I, NO2, CN, −NCS, −SCN;
- R3 is selected from the group consisting of:
- alkyl, aralkyl, alkaryl, polyalkylene oxide;
- and each of R13, R14, R15 and R16 is independently a polyalkylene oxide.
25-57. (canceled)
A diazopyrrole compound having the following chemical formula VII:
- wherein each of A, B, E and D is independently selected from the group consisting of H, OH, OR4, N(R3)2, F, CL, Br, I, NO2, CN, —NCS, —SCN and substituted aryl;
- R2 is selected from the group consisting of H, SO3H, SO3−(1/n)Mn+, CO2H and CO2-(1/n)Mn+;
- each of R3 and R4 is independently selected from the group consisting of alkyl, aralkyl, alkaryl and polyalkylene oxide;
- R8 is selected from the group consisting of H, alkyl, aryl, substituted aryl, aralkyl, alkaryl and imidino;
- R9 is selected from the group consisting of H, alkyl, −N(R3)2, −OR4, aryl and substituted aryl;
- and J is NH-polyalkyene oxide or O-polyalkylene oxide.
70-128. (canceled)
A dialkyl succinosuccinate (DMSS) compound having the following chemical formula XVII:
- wherein R1 is selected from the group consisting of H, NR32, OR4, alkyl, aryl and substituted aryl;
- and J is NH-polyalkyene oxide or O-polyalkylene oxide.
141-176. (canceled)
A method of tagging an article with a fluorescent taggant comprising coating said article with a coating composition containing a compound having the following chemical formula XXIV:
- K-Tw XXIV
- wherein K is a fluorescent moiety;
- T is a pendant group comprising a polyalkylene oxide residue;
- and w is a number greater than zero.
Dependencies are inferred from the claim text.