US4780105A
Expired / Lapsed
US
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Composition for dyeing material of synthetic aromatic polyamide fibers: cationic dye and n-alkyl phthalimide
Assignee: Evonik Corp
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Filing: 1987-04-15
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Granted: 1988-10-25
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Expires: 2007-04-15
Abstract
Abstract A composition for dyeing material of synthetic aromatic polyamide fibers, including a cationic dye and a dye assistant, which is a mixture of N-substituted phthalimide and an emulsifier. The N-substituted phthalimide is preferably a 2:1 mole ratio of N-butyl phthalimide and isopropyl phthalimide. The emulsifier is preferably propylene oxide and ethylene oxide block polymer, and an anionic surfactant blend and an anionic/cationic surfactant blend.
Inventors
- 👤 W. Edward White
- 👤 Michael W. Ensley
- 👤 Frank M. Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:32
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6495; D06P1/6498; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/242; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/925
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
132 words
A composition for dyeing material of synthetic aromatic polyamide fibers, comprising a cationic dye and a dye assistant, said dye assistant being a mixture of N-substituted phthalimide selected from the group consisting of N-butyl phthalimide, N-isopropyl phthalimide, N-ethyl phthalimide, N-isobutyl phthalimide, N-2-ethyl-hexyl phthalimide, N-ethoxymethyl phthalimide, N-propoxymethyl phthalimide, and N-methyl carbonyl-N-methexyl phthalimide and an emulsifier selected from the group consisting of the mixture of a propylene oxide and ethylene oxide block polymer and a surfactant, the mixture of oxyalkylated alkyl alcohol, oxyalkylated phenolic resin and an ethoxylated alkyl phosphate ester, the mixture of isopropylamine salt of dodecyl benzene sulfonic acid and ethoxylated nonyl phenol, the mixture of isopropylamine salt of dodecyl benzene sulfonic acid and ethoxylated soya amine, and a mixture of isopropylamine salt of dodecyl benzene sulfonic acid and ethoxylated castor oil.
Claim 2
Dependent Claim
132 words
A composition for dyeing material of synthetic aromatic polyamide fibers, comprising a cationic dye and a dye assistant, said dye assistant being a mixture of N-substituted phthalimide selected from the group consisting of N-butyl phthalimide, N-isopropyl phthalimide, N-ethyl phthalimide, N-isobutyl phthalimide, N-2-ethyl-hexyl phthalimide, N-ethoxymethyl phthalimide, N-propoxymethyl phthalimide, and N-methyl carbonyl-N-methexyl phthalimide and an emulsifier selected from the group consisting of the mixture of a propylene oxide and ethylene oxide block polymer and a surfactant, the mixture of oxyalkylated alkyl alcohol, oxyalkylated phenolic resin and an ethoxylated alkyl phosphate ester, the mixture of isopropylamine salt of dodecyl benzene sulfonic acid and ethoxylated nonyl phenol, the mixture of isopropylamine salt of dodecyl benzene sulfonic acid and ethoxylated soya amine, and a mixture of isopropylamine salt of dodecyl benzene sulfonic acid and ethoxylated castor oil.
Claim 3
Dependent Claim
23 words
A composition according to claim 1 and characterized further in that said N-substituted phthalimide comprises a mixture of N-butyl phthalimide and N-isopropyl phthalimide.
Claim 4
Dependent Claim
25 words
A composition according to claim 2 and characterized further in that said mixture of N-butyl phthalimide and N-isopropyl phthalimide is a 2:1 mole ratio mixture.
Claim 5
Dependent Claim
26 words
A composition according to claim 1 and characterized further in that said composition contains approximately 80% by weigh N-substituted phthalimide and approximately 20% by weight emulsifier.
Claim 6
Dependent Claim
26 words
A composition according to claim 3 and characterized further in that said composition contains approximately 80% by weight N-substituted phthalimide and approximately 20% by weight emulsifier.
Claim 7
Dependent Claim
71 words
A composition according to claim 1 and characterized further in that said emulsifier is said propylene oxide and ethylene oxide block polymer and a surfactant, and said surfactant comprises an anionic surfactant blend of a diethyl sulfate quaternary of a fatty tertiary amine, ethoxylated nonyl phenol, and a dodecylbenzene sulfonic acid amine salt, and an anionic/cationic blend of dodecylbenzene sulfonic acid amine salt and a low cloud point ethoxylated nonyl phenol.
Claim 8
Dependent Claim
35 words
A composition according to claim 6 and characterized further in that said emulsifier is approximately 50% by weight block polymer, approximately 25% by weight anionic surfactant blend and approximately 25% by weight anionic/cationic surfactant blend.
Claim 9
Dependent Claim
71 words
A composition according to claim 3 and characterized further in that said emulsifier is said propylene oxide and ethylene oxide block polymer and a surfactant, and said surfactant comprises an anionic surfactant blend of a diethyl sulfate quaternary of a fatty tertiary amine, ethoxylated nonyl phenol, and a dodecylbenzene sulfonic acid amine salt, and an anionic/cationic blend of dodecylbenzene sulfonic acid amine salt and a low cloud point ethoxylated nonyl phenol.
Claim 10
Dependent Claim
35 words
A composition according to claim 8 and characterized further in that said emulsifier is approximately 50% by weight block polymer, approximately 25% by weight anionic surfactant blend and approximately 25% by weight anionic/cationic surfactant blend.
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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) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |