EP0175889A1
Expired / Lapsed
EP
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Use of water-soluble polymers in aqueous chemical light formulations
Assignee: Wyeth Holdings LLC
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Filing: 1985-08-02
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Granted: —
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Expires: 2005-08-02
Abstract
Abstract Aqueous chemiluminescent systems have been found to exhibit improved chemiluminescence due to the presence of minor amounts of a water-soluble polymer.
Inventors
- 👤 Bruce H. Baretz
- 👤 William John Trzaskos
- 👤 Laura Elliott
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 11:47
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07; B; B82; B82B; B82B3/00
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
159 words
A composition for generating chemiluminescence comprising, in aqueous solution, a) 10- 3 to 5 molar concentration of a water-soluble reactant which generates light by reaction with hydrogen peroxide. b) 10- 5 to 1 molar concentration of a water-soluble or water-dispersible organic fluorescer having specral emission in the range of about 300 to 1000 nanometers and c) a third component selected from the group consisting of: 1) from about 10- 2 to about 50%, by weight, based on the total weight of the solution, of a water-soluble polymer and 2) a mixture comprising A) from about 10- 2 to about 50%, by weight, based on the total weight of the solution, of a water-soluble polymer and B) from about 10- 2 to about 5.0%, by weight, based on the total weight of the solution, of a nonionic or anionic surfactant, and as a replacement for, or in conjunction with, component c), an acid having a pKa ranging from about 1-5.
Claim 2
Dependent Claim
159 words
A composition for generating chemiluminescence comprising, in aqueous solution, a) 10- 3 to 5 molar concentration of a water-soluble reactant which generates light by reaction with hydrogen peroxide. b) 10- 5 to 1 molar concentration of a water-soluble or water-dispersible organic fluorescer having specral emission in the range of about 300 to 1000 nanometers and c) a third component selected from the group consisting of: 1) from about 10- 2 to about 50%, by weight, based on the total weight of the solution, of a water-soluble polymer and 2) a mixture comprising A) from about 10- 2 to about 50%, by weight, based on the total weight of the solution, of a water-soluble polymer and B) from about 10- 2 to about 5.0%, by weight, based on the total weight of the solution, of a nonionic or anionic surfactant, and as a replacement for, or in conjunction with, component c), an acid having a pKa ranging from about 1-5.
Claim 3
Dependent Claim
13 words
A composition according to Claim 1 wherein the reactant is 4,4'-[oxalylbis[(trifluoromethylsulfonyl)-imino]ethylene]bis[4-methylmorpholinium trifluoromethane sulfonate].
Claim 4
Dependent Claim
11 words
A composition according to Claim wherein the fluorescer is sulfonated rubrene.
Claim 5
Dependent Claim
13 words
A composition according to Claim 1 wherein component c) is a water-soluble polymer.
Claim 6
Dependent Claim
22 words
A composition according to Claim 1 wherein component c) is a mixture of a water-soluble polymer and a nonionic or anionic surfactant.
Claim 7
Dependent Claim
12 words
A composition according to Claim 1 wherein component c) is an acid.
Claim 8
Dependent Claim
19 words
A composition according to Claim 1 wherein component c) is a mixture of a water-soluble polymer and an acid.
Claim 9
Dependent Claim
24 words
A composition according to Claim 1 wherein component c) is a mixture of a water-soluble polymer, a nonionic or anionic surfactant and an acid.
Claim 10
Dependent Claim
112 words
A dry mixture of components for making a chemiluminescent reaction by addition of the dry mixture to water, said dry mixture comprising, a) a water-soluble reactant which generates light by reaction with hydrogen peroxide, b) a water-soluble or water-dispersible organic fluorescer having spectral emission in the range of from about 300 to about 1000 nanometers, d) a solid hydrogen peroxide source and e) a fourth component selected from the group consisting of: 1) a water-soluble polymer, and 2) a mixture comprising: A) a water-soluble polymer and B) a nonionic or anionic surfactant, and as a replacement for, or in conjunction with, component c), an acid having a pKa ranging from about 1-5.
Claim 11
Dependent Claim
112 words
A dry mixture of components for making a chemiluminescent reaction by addition of the dry mixture to water, said dry mixture comprising, a) a water-soluble reactant which generates light by reaction with hydrogen peroxide, b) a water-soluble or water-dispersible organic fluorescer having spectral emission in the range of from about 300 to about 1000 nanometers, d) a solid hydrogen peroxide source and e) a fourth component selected from the group consisting of: 1) a water-soluble polymer, and 2) a mixture comprising: A) a water-soluble polymer and B) a nonionic or anionic surfactant, and as a replacement for, or in conjunction with, component c), an acid having a pKa ranging from about 1-5.
Claim 12
Dependent Claim
12 words
A mixture according to Claim 9 wherein the reactant is 4,4'-[oxalylbis[(trifluoromethylsulfonyl)imino]-ethylene]bis[4-methylmorpholinium trifluoromethanesulfonate].
Claim 13
Dependent Claim
12 words
A mixture according to Claim 9 wherein the fluorescer is sulfonated rubrene.
Claim 14
Dependent Claim
13 words
A mixture according to Claim 9 wherein component e) is a water-soluble polymer.
Claim 15
Dependent Claim
22 words
A mixture according to Claim 9 wherein component e) is a mixture of a water-soluble polymer and a nonionic or anionic surfactant.
Claim 16
Dependent Claim
13 words
A mixture according to Claim 9 wherein component e) is a solid acid.
Claim 17
Dependent Claim
20 words
A mixture according to Claim 9 wherein component e) is a mixture of a water-soluble polymer and a solid acid.
Claim 18
Dependent Claim
25 words
A mixture according to Claim 9 wherein component e) is a mixture of a water-soluble polymer, a nonionic or anionic surfactant and a solid acid.
Claim 19
Dependent Claim
12 words
A composition according to Claim 1 wherein the polymer is poly(vinyl pyrrolidone).
Claim 20
Dependent Claim
12 words
A mixture according to Claim 9 wherein the polymer is poly(vinyl pyrrolidone).
Claim 21
Dependent Claim
18 words
A composition according to Claim 1 wherein the polymer is a copolymer of vinyl pyrrolidone and vinyl acetate.
Claim 22
Dependent Claim
18 words
A mixture according to Claim 9 wherein the polymer is a copolymer of vinyl pyrrolidone and vinyl acetate.
Claim 23
Dependent Claim
15 words
A method for producing chemiluminescence comprising dispersing the dry mixture of Claim 4 in water.
Claim 24
Dependent Claim
24 words
A method for producing chemiluminescence comprising combining the composition of Claim 1 with hydrogen peroxide or a source of hydrogen peroxide in aqueous solution.
Claim 25
Dependent Claim
13 words
A compositon according to Claim 1 wherein said surfactant is sodium decyl sulfate.
Claim 26
Dependent Claim
13 words
A composition according to Claim 9 wherein said surfactant is sodium decyl sulfate.
References Cited (Backward Citations)
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