Compositions – Organic luminescent material containing compositions
Patent
1989-08-22
1991-02-12
Niebling, John F.
Compositions
Organic luminescent material containing compositions
8403, C09K 1102
Patent
active
049922041
ABSTRACT:
A method for tagging one or a mixture of natural or synthetic materials comprising contacting the same with one or a mixture of tagging compounds containing one or more non-ionic luminophore moieties attached to at least one poly(oxyalkylene) moiety by means of a linking moiety; wherein said tagging compound has substantial absorbance within the range of from about 300 to about 400 nm and reemits substantial visible light, said contacting effecting at least a temporary association between said material and said compound wherein said compound is present in an amount between about 0.0001 and about 10 percent by weight of said material.
REFERENCES:
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patent: 4284729 (1981-08-01), Cross et al.
patent: 4400320 (1983-08-01), Keller et al.
patent: 4451530 (1984-05-01), Kaule et al.
patent: 4623579 (1986-11-01), Quon
patent: 4640690 (1987-02-01), Baumgartner et al.
patent: 4655788 (1987-04-01), Jalon
Hines John B.
Kluger Edward W.
Lever John G.
Moore Patrick D.
Marquis Steven P.
Miliken Research Corporation
Monahan Timothy J.
Niebling John F.
Petry H. William
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