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US3877870A Expired / Lapsed US ⏱️ 0.0 years remaining

Use of solid carrier for dyeing hydrophobic fibers

Assignee: Novartis Corp
•
Filing: 1974-01-04
•
Granted: 1975-04-15
•
Expires: 1994-01-04
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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

  • 👤 Kurt A Dellian
  • 👤 Marvin Weiskopf
  • 👤 Samuel Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 16:52
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/62; D06P1/621; C; C09; C09B; C09B67/00; C09B67/0071; D06P1/64; D06P3/00; D06P3/34; D06P3/52; D06P3/522; D06P3/54

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 58 words
A CARRIER COMPOSITION USEFUL IN COLORING SYNTHETIC HYDROPHOBIC FIBERS CONTAINING 10 TO 92 PARTS BY WEIGHT OF A CARRIER SELECTED FROM THE GROUP CONSISTING OF O-PHENYLPHENOL, BIPHENYL PHENYL BENOATE, PHENYL SALICYLATE, NAPHTHALENE AND MIXTURES THEREOF WHICH IS SOLID TO A TEMPERATURE OF AT LEAST 45*C AND 8 TO 90 PARTS BY WEIGHT OF A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 58 words
A CARRIER COMPOSITION USEFUL IN COLORING SYNTHETIC HYDROPHOBIC FIBERS CONTAINING 10 TO 92 PARTS BY WEIGHT OF A CARRIER SELECTED FROM THE GROUP CONSISTING OF O-PHENYLPHENOL, BIPHENYL PHENYL BENOATE, PHENYL SALICYLATE, NAPHTHALENE AND MIXTURES THEREOF WHICH IS SOLID TO A TEMPERATURE OF AT LEAST 45*C AND 8 TO 90 PARTS BY WEIGHT OF A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim 28 words
The carrier composition of claim 1 which contains 50 to 90 parts by weight of the solid carrier and 5 to 10 parts by weight of said compound.
Claim 4
Dependent Claim 23 words
The carrier composition of claim 2 wherein x is 7, m is 7, Z is OSO3H, Y is H and n is 5.
Claim 5
Dependent Claim 21 words
The carrier composition of claim 2 containing 10 to 20 parts by weight of sulfated alkylphenoxy polyethylene oxide or salt thereof.
Claim 6
Dependent Claim 53 words
A carrier composition useful in coloring synthetic hydrophobic fibers containing 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.
Claim 7
Dependent Claim 53 words
A carrier composition useful in coloring synthetic hydrophobic fibers containing 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)

US3093438A Cited
US2362377A Cited
US2828180A Cited
US3057674A Cited
US3219584A Cited
US3575883A Cited
US3728078A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-14 1978-10-14 1979-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-14 1982-10-14 1983-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-14 1986-10-14 1987-04-15 $7700.00 Window Closed / Lapsed

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