US4055392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing blended fabrics
Assignee: Novartis Corp
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Filing: 1975-04-24
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Granted: 1977-10-25
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Expires: 1995-04-24
Abstract
Abstract A process for dyeing and printing blends of wool and polyester fibres which comprises the use of dyes of the formula ##STR1## wherein A is the radical of a monofunctional or polyfunctional tertiary amine, X is an anion and F is the radical of a dye of the disperse class. The process yields tone-in-tone dyeings.
Inventors
- 👤 Stefan Koller
- 👤 Marielise Pacher
- 👤 Karl Emmenegger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:12
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/18; D06P3/34; D06P3/52; D06P3/522; D06P3/82; D06P3/8204; D06P3/8214
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
49 words
A process for dyeing or printing a blend of wool and polyester fibers which comprises the use of a dye of the formula ##STR43## wherein A is selected from the group consisting of ##STR44##X is an anion and F is a radical of a dye of the disperse class.
Claim 2
Dependent Claim
49 words
A process for dyeing or printing a blend of wool and polyester fibers which comprises the use of a dye of the formula ##STR43## wherein A is selected from the group consisting of ##STR44##X is an anion and F is a radical of a dye of the disperse class.
Claim 3
Dependent Claim
13 words
A process according to claim 1 wherein F is an azo dye radical.
Claim 4
Dependent Claim
62 words
A process according to claim 2 which comprises the use of a dye of the formula ##STR45##wherein D is the radical of a diazo component of the disperse class, c and d are hydrogen, lower alkyl, lower alkoxy, chlorine or bromine, c is additionally lower alkylcarbonylamino, d' is hydrogen or lower alkylcarbonylamino, R 1 is an unsubstituted or a substituted alkyl radical.
Claim 5
Dependent Claim
30 words
A process according to claim 3, wherein R 1 is benzyl, phenethyl, cyanoethyl, cyanoethoxyethyl, lower alkoxy alkyl, hydroxyalkyl, (lower alkyl- or arylcarbonylaminoalkyl), lower alkyl-carbonyloxyalkyl, benzoyloxyalkyl, lower alkylcarbonylaminoalkyl or lower alkylaminocarbonyloxyalkyl.
Claim 6
Dependent Claim
17 words
A process according to claim 3 which comprises carrying out the dyeing at 80° to 120° C.
Claim 7
Dependent Claim
17 words
A process according to claim 13 which comprises carrying out the dyeing at 90° to 108° C.
Claim 8
Dependent Claim
18 words
A process according to claim 3 which comprises the use of carriers which are volatile below 200° C.
Claim 9
Dependent Claim
14 words
A process according to claim 3 which comprises adding aminoplast precondensates as retarding agents.
Claim 10
Dependent Claim
12 words
A process according to claim 8 which comprises adding urea resin precondensates.
Claim 11
Dependent Claim
19 words
A process according to claim 3 which comprises carrying out the dyeing at pH values from 3 to 8.
Claim 12
Dependent Claim
19 words
A process according to claim 3 which comprises carrying out the dyeing at pH values of 4 to 6.
Claim 13
Dependent Claim
10 words
The blended fabric dyed and printed according to claim 3.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |