Patent US5057778A successfully refreshed from Google Patents.
Patent US4363664A successfully refreshed from Google Patents.
US4363664A
Expired / Lapsed
US
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Novel compositions and processes
Assignee: HD ACQUISITION CORP A CORP OF DE
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Filing: 1980-01-25
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Granted: 1982-12-14
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Expires: 2000-01-25
Abstract
Abstract Stable, concentrated, free-flowing aqueous dispersion compositions containing one or more colorless dyestuff precursors and one or more surface active agents, are useful in the manufacture of paper for pressure sensitive carbonless duplicating manifold systems and thermal marking systems.
Inventors
- 👤 John W. Delaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:09
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
145 words
A storage-stable concentrated free-flowing aqueous dispersion composition consisting essentially of by weight of the entire composition approximately 2.5 to approximately 50 percent of at least one colorless carbonless duplicating dyestuff precursor selected from the group consisting of phthalides, phenothiazines, fluorans, arylsulfonylmethanes, furopyridinones and furopyrazinones; approximately 0.1 to approximately 30 percent of at least one surface active agent selected from the group consisting of anionic surface active agents, nonionic surface active agents, cationic surface active agents and amphoteric surface active agents; and water; said composition optionally containing one or more of the following by weight of the entire composition: no more than 10 percent of a glycol selected from the group consisting of ethylene glycol, propylene glycol, diethylene glycol and ethylene glycol monoethyl ether; and no more than 3 percent of an alkaline substance selected from the group consisting of triethanolamine, sodium carbonate and potassium carbonate.
Claim 2
Dependent Claim
145 words
A storage-stable concentrated free-flowing aqueous dispersion composition consisting essentially of by weight of the entire composition approximately 2.5 to approximately 50 percent of at least one colorless carbonless duplicating dyestuff precursor selected from the group consisting of phthalides, phenothiazines, fluorans, arylsulfonylmethanes, furopyridinones and furopyrazinones; approximately 0.1 to approximately 30 percent of at least one surface active agent selected from the group consisting of anionic surface active agents, nonionic surface active agents, cationic surface active agents and amphoteric surface active agents; and water; said composition optionally containing one or more of the following by weight of the entire composition: no more than 10 percent of a glycol selected from the group consisting of ethylene glycol, propylene glycol, diethylene glycol and ethylene glycol monoethyl ether; and no more than 3 percent of an alkaline substance selected from the group consisting of triethanolamine, sodium carbonate and potassium carbonate.
Claim 3
Dependent Claim
17 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 wherein the dyestuff precursors are phthalides.
Claim 4
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 2 wherein the surface active agent is an anionic surface active agent.
Claim 5
Dependent Claim
41 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 3 containing by weight of the entire composition: approximately 33 to approximately 38 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 7 to approximately 10 percent of the sodium salt of N-cyclohexyl-N-palmitoyl tautrate; and water.
Claim 6
Dependent Claim
45 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 3 containing by weight of the entire composition: approximately 34 to approximately 39 percent of 3-[2,4-bis(dimethylamino)phenyl]-3-(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 16 to approximately 20 percent of the sodium salt of polymeric carboxylic acid; and the remainder being water.
Claim 7
Dependent Claim
65 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 3 containing by weight of the entire composition: approximately 23 to approximately 28 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 3 to approximately 7 percent of 3-[2,4-bis(dimethylamino)phenyl]-3-(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 11 to approximately 15 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 3 to approximately 6 percent of the sodium salt of polymeric carboxylic acid; zero to 10 percent of ethylene glycol; and water.
Claim 8
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 2 wherein the surface active agent is a nonionic surface active agent.
Claim 9
Dependent Claim
45 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 7 containing by weight of the entire composition: approximately 29 to approximately 33 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 6 to approximately 9 percent of an acetylenic glycol blend in ethylene glycol; and the remainder being water.
Claim 10
Dependent Claim
41 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 7 containing by weight of the entire composition: approximately 30 to approximately 35 percent of 3-[2,4-bis(dimethylamino)phenyl]3-(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 6 to approximately 10 percent of polyoxyl (40) stearate; and the remainder being water.
Claim 11
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 7 containing by weight of the entire composition: approximately 21 to approximately 25 percent of 3-(1-ethyl-2-methyl-3-indolyl)-3-N-(diphenylamino)phthalide; approximately 0.5 to approximately 2.5 percent of the polyoxyl (40) stearate; and the remainder being water.
Claim 12
Dependent Claim
51 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 7 containing by weight of the entire composition: approximately 18 to approximately 23 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 1 to approximately 3 percent of a mixture of ethylene oxide condensates of propylene oxide condensate of propylene glycol; and the remainder being water.
Claim 13
Dependent Claim
50 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 7 containing by weight of the entire composition: approximately 18 to approximately 23 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 0.5 to approximately 1.5 percent of sorbitan monooleate; approximately 0.5 to approximately 1.5 percent of polyoxyethylene sorbitan monooleate; and the remainder being water.
Claim 14
Dependent Claim
21 words
Storage-stable concentrated free-flowing aqueous dispersion compositions according to claim 2 wherein the surface active agent is a cationic surface active agent.
Claim 15
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 13 containing by weight of the entire composition: approximately 18 to approximately 23 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 0.5 to approximately 1.5 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 16
Dependent Claim
46 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 13 containing by weight of the entire composition: approximately 43 to approximately 48 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 2 to approximately 4 percent of a mixture of alkyl dimethyl benzyl ammonium chlorides; and the remainder being water.
Claim 17
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 13 containing by weight of the entire composition: approximately 30 to approximately 35 percent of 3-(1-ethyl-2-methyl-3-indolyl)-3-N-(diphenylamino)phthalide; approximately 1 to approximately 2.5 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 18
Dependent Claim
46 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 13 containing by weight of the entire composition: approximately 18 to approximately 23 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 0.5 to approximately 1.5 percent of a mixture of alkyl dimethyl benzyl ammonium chlorides; and the remainder being water.
Claim 19
Dependent Claim
26 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 2 wherein the surface active agents are a mixture of anionic and nonionic surface active agents.
Claim 20
Dependent Claim
82 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 18 containing by weight of the entire composition: approximately 15 to approximately 27 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 2 to approximately 7 percent of 3-[2,4-bis(dimethylamino)phenyl]-3-(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 7 to approximately 14 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 1.5 to approximately 5 percent of sodium salt of polymeric carboxylic acid; approximately 0.2 to approximately 1.5 percent of alkylaryl polyether; zero to approximately 10 percent of an ethylene glycol; zero to approximately 0.5 percent of triethanolamine; and water.
Claim 21
Dependent Claim
65 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 18 containing by weight of the entire composition: approximately 30 to approximately 35 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 2.5 to approximately 4.5 percent of sodium salt of polymeric carboxylic acid; approximately 0.3 to approximately 1 percent of alkylaryl polyether; zero to approximately 7 percent of ethylene glycol; zero to approximately 2 percent of triethanolamine; and water.
Claim 22
Dependent Claim
73 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 18 containing by weight of the entire composition: approximately 30 to approximately 48 percent 3-[2,4-bis(dimethylamino)phenyl]-3-(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 1 to approximately 7 percent of a nonionic surface active agent selected from the group consisting of the sodium salt of polymeric carboxylic acid and the sodium salt of condensed naphthalene sulfonic acid; approximately 0.3 to approximately 1.5 percent of alkylaryl polyether; and the remainder being water.
Claim 23
Dependent Claim
21 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 2 wherein the surface active agents are amphoteric surface active agents.
Claim 24
Dependent Claim
40 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 22 containing by weight of the entire composition: approximately 20 to approximately 25 percent of 3,3-bis(1-butyl-2-methyl-3-indolyl)phthalide; approximately 1.5 to approximately 3 percent of N-cocoaminobutyric acid; and the remainder being water.
Claim 25
Dependent Claim
17 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 wherein the dyestuff precursors are fluorans.
Claim 26
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 24 wherein the surface active agent is a cationic surface active agent.
Claim 27
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 25 containing by weight of the entire composition: approximately 4 to approximately 10 percent of 2-anilino-3-methyl-6-diethylaminofluoran; approximately 0.5 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 28
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 25 containing by weight of the entire composition: approximately 4 to approximately 10 percent of 2-dibenzylamino-6-diethylaminofluoran; approximately 0.5 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 29
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 25 containing by weight of the entire composition: approximately 4 to approximately 10 percent of 2-anilino-3-methyl-6-diethylamino-5'/6'-ethoxycarbonylfluoran; approximately 0.5 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 30
Dependent Claim
17 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 wherein the dyestuff percursors are arylsulfonylmethanes.
Claim 31
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 29 wherein the surface active agent is a cationic surface active agent.
Claim 32
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 30 containing by weight of the entire composition: approximately 4 to approximately 10 percent of [bis(4-dimethylaminophenyl)(4-methylphenylsulfonyl)]methane; approximately 0.5 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 33
Dependent Claim
42 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 30 containing by weight of the entire composition: approximately 4 to approximately 10 percent of [(1-ethyl-2-methyl-3-indolyl)(4-dimethylaminophenyl)(4-dimethylphenylsulfonyl)]methane; approximately 0.5 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 34
Dependent Claim
17 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 wherein the dyestuff percursors are phenothiazines.
Claim 35
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 33 wherein the surface active agent is a cationic surface active agent.
Claim 36
Dependent Claim
45 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 34 containing by weight of the entire composition: approximately 28 to approximately 33 percent of benzoyl leuco methylene blue; approximately 0.5 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 37
Dependent Claim
19 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 wherein the dyestuff precursors are furopyridinones and furopyrazinones.
Claim 38
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 36 wherein the surface active agent is a cationic surface active agent.
Claim 39
Dependent Claim
48 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 34 containing by weight of the entire composition: approximately 2 to approximately 7 percent of an isomeric mixture of 7-(1-ethyl-2-methyl-3-indolyl)-7-{[N-phenyl-N-(4-phenylsulfonamido)phenyl]amino}furo[3,4b]pyridine-5(7H)one and 5-(1-ethyl-2-methyl-3-indolyl)-5-{[N-phenyl-N-(4-phenylsulfonamido)phenyl]amino}furo[3,4b]pyridine-7(5H)one; approximately 0.3 to approximately 1.5 percent of polymermic quaternary ammonium chloride; and the remainder being water.
Claim 40
Dependent Claim
21 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 wherein the dyestuff precursors are mixtures of phthalides and phenothiazines.
Claim 41
Dependent Claim
22 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 39 wherein the surface active agent is a cationic surface active agent.
Claim 42
Dependent Claim
61 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 40 containing by weight of the entire composition: approximately 2.5 to approximately 6 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 7 to approximately 12 percent of 3-(4-dimethylaminophenyl)-3-[bis(4-octylphenyl)amino]phthalide; approximately 0.5 to approximately 3 percent of benzoyl leuco methylene blue; approximately 0.3 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 43
Dependent Claim
61 words
A storage-stable concentrated free-flowing aqueous dispersion composition according to claim 40 containing by weight of the entire composition: approximately 3 to approximately 8 percent of 3,3-bis(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 2 to approximately 7 percent of 3-[2,4-bis(dimethylamino)phenyl]-3-(4-dimethylaminophenyl)-6-dimethylaminophthalide; approximately 0.5 to approximately 5 percent of benzoyl leuco methylene blue; approximately 0.2 to approximately 3 percent of polymeric quaternary ammonium chloride; and the remainder being water.
Claim 44
Dependent Claim
137 words
A process for the preparation of a storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 which comprises milling together approximately 2.5 to approximately 50 percent of at least one colorless carbonless duplicating dyestuff precursor; approximately 0.1 to approximately 30 percent of at least one surface active agent selected from the group consisting of anionic surface active agents, nonionic surface active agents, cationic surface active agents and amphoteric surface active agents; and water; said composition optionally having present one or more of the following by weight of the entire composition: no more than 10 percent of a glycol selected from the group consisting of ethylene glycol, propylene glycol, diethylene glycol and ethylene glycol monoethyl ether; and no more than 3 percent of alkaline substance selected from the group consisting of triethanolamine, sodium carbonate and potassium carbonate.
Claim 45
Dependent Claim
43 words
A method of incorporating one or more colorless dyestuff precursors into a coating composition for pressure sensitive carbonless duplicating manifold systems or thermal marking systems which comprises incorporating a storage-stable concentrated free-flowing aqueous dispersion composition according to claim 1 into said coating composition.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-13 | 1986-06-14 | 1986-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-13 | 1990-06-14 | 1990-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-13 | 1994-06-14 | 1994-12-14 | $7700.00 | Window Closed / Lapsed |