US3932129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space dyed yarn production using dense foams
Assignee: Individual
•
Filing: 1974-07-17
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Granted: 1976-01-13
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Expires: 1994-07-17
Abstract
Abstract This invention relates to an effect coloration process for pseudorandom dyeing of yarns in package or skein form by force filling regions of the yarns with dye formulations immoblized in foam followed by microwave heating to accelerate the diffusion and reaction of the dyes.
Inventors
- 👤 Rick Anthony Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:54
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/96; D06P1/965; D06B; D06B11/00; D06B11/0009; D06B11/0013; D06B19/00; D06B19/0088; D06B19/0094; D06P5/00; D06P5/20; D06P5/2066; D06P5/2083; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/929
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
The process which comprises forcing different colored foamed dye solutions or foamed dye resist solutions into yarn packages followed by microwave heating to accelerate the diffusion and reaction of the dyes in the fiber.
Claim 2
Dependent Claim
34 words
The process which comprises forcing different colored foamed dye solutions or foamed dye resist solutions into yarn packages followed by microwave heating to accelerate the diffusion and reaction of the dyes in the fiber.
Claim 3
Dependent Claim
33 words
The process which comprises forcing different colored foamed dye solutions or foamed dye resist solutions into skeins followed by microwave heating to accelerate the diffusion and reaction of the dyes in the fiber.
Claim 4
Dependent Claim
33 words
The process which comprises forcing different colored foamed dye solutions or foamed dye resist solutions into skeins followed by microwave heating to accelerate the diffusion and reaction of the dyes in the fiber.
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) | 1979-01-12 | 1979-07-14 | 1980-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-12 | 1983-07-14 | 1984-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-12 | 1987-07-14 | 1988-01-13 | $7700.00 | Window Closed / Lapsed |