US3622264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber blends of polyolefin with polyvinylpyridines of quinolines with and without a polyethylene oxide and acid and disperse dye variegated dyeing thereof
Assignee: UNIROYAL HOLDING Inc WORLD HEADQUARTERS MIDDLEBURY CONNECTICUT 06749 A CORP OF NEW JERSEY
•
Filing: 1968-06-13
•
Granted: 1971-11-23
•
Expires: 1988-06-13
Abstract
Abstract This invention relates to a process for dyeing fabrics and textile articles made from polyolefin fibers or two-color or multicolor patterns using a mixture of different classes of dyes in a single dyebath, which may optionally contain an anionic and nonionic surfactant.
Inventors
- 👤 Charles N Brown
- 👤 Andor Schwarcz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:41
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/82; D06P3/8204; C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; D06P3/02; D06P3/021; D06P3/024; D06P3/79; Y; Y10; Y10S; Y10S8/00; Y10S8/929
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
12 words
A filamentary assembly as defined in claim 1 which is a yarn.
Claim 2
Dependent Claim
12 words
A filamentary assembly as defined in claim 1 which is a fabric.
Claim 3
Dependent Claim
12 words
A carpet which contains the filamentary assembly as defined in claim 1.
Claim 4
Dependent Claim
30 words
The filamentary assembly defined in claim 1 in which the alpha-monoolefin polymers in the two- and three-component fibers are selected from the group consisting of: polyethylene, polypropylene, poly(3-methyl-1-butene) or poly(4-methyl-1-pentene).
Claim 5
Dependent Claim
76 words
The filamentary assembly defined in claim 5 in which the pyridine-type polymer in the two-component fiber is selected from the group consisting of homopolymers of (a) vinylpyridines, (b) alkylvinylpyridines, (c) vinylquinolines, (d) alkylvinylquinolines, (e) copolymers of vinylpyridine monomers with alkylvinylpyridine monomers, (f) copolymers of vinylpyridine monomers with a monoethylenically unsaturated moNomer; and the pyridine-type polymer in the three-component fiber is selected from the group consisting of homopolymers of (a), (b), (c), (d) and copolymers of (e).
Claim 6
Dependent Claim
40 words
The filamentary assembly defined in claim 6 in which the derivatives of polyethylene glycol are selected from the group consisting of (a) polyethylene glycol alkyl ethers (b) alkylaryl polyethoxy alcohols, (c) polyethylene glycol hexitol carboxylates and (d) polyethylene glycol carboxylates.
Claim 7
Dependent Claim
29 words
The filamentary assembly defined in claim 7 which also contains an uncolored nondye receptor containing alpha-monoolefin fiber which is not susceptible to dyeing by said anionic and disperse dyes.
Claim 8
Dependent Claim
26 words
The filamentary assembly defined in claim 7 which also contains a pigmented alpha-monoolefin fiber which is not susceptible to dyeing by said anionic and disperse dyes.
Claim 9
Dependent Claim
63 words
The filamentary assembly defined in claim 7 in which the pyridine-type dye receptor polymers are selected from the group consisting of a. poly(2-vinylpyridine) b. poly(2-methyl-5-vinylpyridine) c. poly(4-vinylpyridine) d. poly(2-vinylquinoline) e. the copolymer of 2-vinylpyridine and 2-methyl-5-vinylpyridine f. the copolymer of 2-vinylpyridine and styrene in the case of the two-component fibers g. the copolymer of 2-methyl-5-vinylpyridine and styrene in the case of two-component fibers
Claim 10
Dependent Claim
22 words
The filamentary assembly defined in claim 10 in which the homopolymer of ethylene glycol has a molecular weight between 100,000 and 7,000,000.
Claim 11
Dependent Claim
42 words
The filamentary assembly defined in claim 1 in which a. the alpha-monoolefin polymer is polypropylene, b. the pyridine-type dye receptor polymer is the copolymer of 2-methyl-5-vinylpyridine and 2-vinylpyridine, and c. the polyethylene glycol homopolymer has a molecular weight between 100,000 and 7,000,000.
Claim 12
Dependent Claim
63 words
The filamentary assembly defined in claim 1 in which a. the alpha-monoolefin polymer is polypropylene, b. the pyridine-type dye receptor polymer in the two-component fiber is a copolymer of styrene and 2-vinylpyridine, and the pyridine-type dye receptor polymer in the three-component fiber is a copolymer of 2-methyl-5-vinylpyridine and 2-vinylpyridine, and c. the polyethylene glycol homopolymer has molecular weight between about 100,000 and 7,000,000.
Claim 13
Dependent Claim
55 words
The filamentary assembly defined in claim 1 which has been contacted with a mixture of anionic and nonionic surfactants under acidic conditions in the mixture of anionic and disperse dyes, to enhance the uptake of anionic dyes by the three-component fiber thus increasing the color contrast between said dyed two-component and three-component fibers thus dyed.
Claim 14
Dependent Claim
27 words
The filamentary assembly defined in claim 14 in which the weight ratio of anionic surfactant to nonionic surfactant in the dyebath is between about 0.1 and 5.
Claim 15
Dependent Claim
34 words
The filamentary assembly defined in claim 14 in which the total amount of anionic and nonionic surfactants in the dyebath is between about 0.5 and 10 percent on the weight of the goods (owg).
Claim 16
Dependent Claim
63 words
The filamentary assembly defined in claim 14 in which the anionic surfactant has the general formula R-A wherein R represents a substituted or unsubstituted alkyl, aryl, or alkylaryl group having at least six carbon atoms and A represents an anionic group selected from (a) sulfonate, (b) sulfate, (c) phosphate, (d) polyphosphate or (e) carboxylate, said group being in free acid or salt form.
Claim 17
Dependent Claim
75 words
The filamentary assembly defined in claim 17 in which the nonionic surfactant has the general formula R-O-X-H wherein R represents a substituted or unsubstituted alkyl, aryl, or alkylaryl group having six or more carbon atoms, O represents oxygen, X represents homopolymers of ethylene oxide, or propylene oxide or copolymers of said oxideS with each other, all of said polymers having a degree of polymerization of alkylene oxide units between 1 and 100. H represents hydrogen.
Claim 18
Dependent Claim
21 words
The filamentary assembly defined in claim 17 in which the nonionic surfactant is a copolymer of ethylene oxide and propylene oxide.
Claim 19
Dependent Claim
45 words
A process for dyeing the filamentary assembly defined in claim 1 to a multicolor pattern of high-color contrast comprising exposing said filamentary assembly to a mixture of anionic and nonionic surfactants under acidic conditions in the presence of a mixture of anionic and disperse dyes.
Claim 20
Dependent Claim
17 words
A process for dyeing as defined in claim 20 in which the filamentary assembly is a yarn.
Claim 21
Dependent Claim
17 words
A process for dyeing as defined in claim 20 in which the filamentary assembly is a fabric.
Claim 22
Dependent Claim
19 words
A process for dyeing as defined in claim 20 in which the filamentary assembly is contained in a carpet.
References Cited (Backward Citations)
US3329557A
Cited
US3315014A
Cited
US3316328A
Cited
US3150917A
Cited
US3361843A
Cited
US3530201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |