Fluorescent agents

Details Fluorescent agents Fluorescent agents

2006-12-19

2006-12-19

Koslow, C. Melissa (Department: 1755)

Compositions

Organic luminescent material containing compositions

C252S301350, C252S301340, C106S501100, C106S429000, C106S471000, C106S505000, C106S215100, C106S217700, C162S135000, C162S162000, C162S158000, C162S175000, C162S181400, C524S047000, C524S056000, C524S058000, C524S433000, C524S401000, C524S432000

Reexamination Certificate

active

07150839

ABSTRACT:
Composition comprising a fluorescent material comprising the mixture of one or more metal salts selected from the group consisting of metal oxides and metal hydroxides; one or more carbohydrate(s) selected from the group consisting of sugar and starch; and one or more organic acid(s), method of preparation comprising mixing the components in the presence of water and then drying, and use of the fluorescent material in paper, plastic, polymer, resin, and paint. The resultant papers, plastics, polymers, resins, and paint have whiteness and brightness due to the fluorescence.

REFERENCES:
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patent: 5003182 (1991-03-01), Umemoto et al.
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Search report from PCT application upon which this case is based.
“Room-Temperature Phosphorescence of Amorphous Metal Complexes of Aliphatic Carboxylic Acids with Basic Amino Acids” Turk; Dulebohn; Vail.Chemistry of Materials, 1995, pp. 385-390.

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