Compositions – Chemiluminescent
Patent
1987-06-22
1988-11-15
Thexton, Matthew A.
Compositions
Chemiluminescent
560193, C09K 1100, C07C 6936
Patent
active
047848030
ABSTRACT:
The invention relates to a chemiluminescent composition, i.e. one which emits light when its various constituent components are mixed together.
The composition consists of at least two separate solutions of at least one oxalate, at least one fluorescent substance, hydrogen peroxide and at least one catalyst, in which those components which react together are kept separated. The characteristic of the 9,10-bis(phenylethynyl)anthracene is that the oxalate is a bis(dihalo-acylphenyl)oxalate. This compound is easily and economically produced and is easily soluble in the solvents used, to provide high-intensity light emission for long time periods. The 2,4- or 2,6-acyl substituted phenyloxalate also forms a subject matter of the invention.
REFERENCES:
patent: 3539794 (1970-11-01), Rauhut
patent: 3781329 (1973-12-01), Bollyky
patent: 3816326 (1974-06-01), Bollyky
patent: 3994820 (1976-11-01), Maulding
patent: 4053430 (1977-10-01), Mohan
patent: 4076645 (1978-02-01), Vega
patent: 4508642 (1985-04-01), World
patent: 4682544 (1987-07-01), Koroscil
patent: 4698183 (1987-10-01), Koroscil
McCapra, "Photochemistry Without Light", Tetrahedron Letters, vol. 22, No. 50, pp. 5087-5090, 1981.
Farmitalia Carlo Erba S.p.A.
Kilby Catherine S.
Thexton Matthew A.
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