US3820952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of solid carrier for dyeing hydrophobic fibers
Assignee: Novartis Corp
•
Filing: 1972-01-03
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Granted: 1974-06-28
•
Expires: 1992-01-03
Abstract
Abstract A process of coloring a hydrophobic fiber with a disperse or cationic dyestuff is disclosed using a dye carrier composition containing a carrier which is a solid at a temperature of at least 45*C in conjunction with a compound of the formula:
Inventors
- 👤 K Dellian
- 👤 M Weiskopf
- 👤 S Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:04
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/522; C; C09; C09B; C09B67/00; C09B67/0071; D06P1/00; D06P1/44; D06P1/62; D06P1/621; D06P1/622; D06P1/626; D06P1/627; D06P1/64; D06P3/54
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
26 words
The process of claim 1 wherein said solid carrier is selected from the group consisting of o-phenylphenol, biphenyl, phenyl benzoate, phenyl salicylate, napthalene and mixtures thereof.
Claim 2
Dependent Claim
11 words
The process of claim 2 wherein said carrier is phenyl benzoate.
Claim 3
Dependent Claim
32 words
The process of claim 3 wherein said carrier is present at a concentration between 50 to 90 parts by weight while said compound is present between 5 to 10 parts by weight.
Claim 4
Dependent Claim
22 words
The process of claim 3 wherein x is 7, m is 7, Z is OSO3H, Y is H and n is 5.
Claim 5
Dependent Claim
34 words
The process of claim 4 wherein said carrier composition contains between 10 to 20 parts of a sulfated alkylphenoxy polyethylene or sodium salt thereof wherein the alkyl group contains 6 to 20 carbon atoms.
Claim 6
Dependent Claim
53 words
The process of claim 1 wherein the carrier composition contains 50 to 90 parts by weight of phenyl benzoate, 3 to 10 parts by weight of the amylester of the sodium salt of sulfonated oleic acid and 5 to 20 parts by weight of the sodium salt of sulfated nonylphenoxy poly (ethylenoxy) ethanol.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |