US3934971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing multicolored cotton pile fabric
Assignee: United States Department of Agriculture
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Filing: 1974-06-04
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Granted: 1976-01-27
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Expires: 1994-06-04
Abstract
Abstract This invention relates to a process for producing bicolored and tricolored cotton toweling by means of selective dyeing procedures. In this method, initial surface dyeing is followed by overdyeing of the entire fabric.
Inventors
- 👤 Eugene J. Blanchard
- 👤 Gloria A. Gautreaux
- 👤 Robert J. Harper, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:46
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0096; D06P3/00; D06P3/58; D06P3/60; D06P3/66; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918; Y10S8/929
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
83 words
A process for producing cotton pile fabrics which are multicolored on one side which process comprises: a. padding the fabric with a basic catalyst solution, b. drying the fabric from a, c. coating the loops on one side of the cotton pile fabric from b with a formulation containing a reactive dye and thickening agent, d. drying and subsequently curing the fabric from c, e. washing the cured fabric from d, f. overdyeing the washed fabric from e with a second reactive dye.
Claim 2
Dependent Claim
83 words
A process for producing cotton pile fabrics which are multicolored on one side which process comprises: a. padding the fabric with a basic catalyst solution, b. drying the fabric from a, c. coating the loops on one side of the cotton pile fabric from b with a formulation containing a reactive dye and thickening agent, d. drying and subsequently curing the fabric from c, e. washing the cured fabric from d, f. overdyeing the washed fabric from e with a second reactive dye.
Claim 3
Dependent Claim
19 words
The process of claim 1 wherein the coating of step c is in the form of stripes or checks.
Claim 4
Dependent Claim
106 words
A process for producing cotton pile fabrics, which are multicolored on both sides, which process comprises: a. padding the fabric with a basic catalyst solution, b. drying the fabric from a, c. coating the loops on one side of the cotton pile fabric from b with a formulation containing a first reactive dye and a thickening agent, d. drying the fabric from c, e. coating the loops on the second side of the cotton pile fabric from d with a formulation containing a second reactive dye and a thickening agent, f. drying and subsequently curing the fabric from e, g. washing the cured fabric from f.
Claim 5
Dependent Claim
106 words
A process for producing cotton pile fabrics, which are multicolored on both sides, which process comprises: a. padding the fabric with a basic catalyst solution, b. drying the fabric from a, c. coating the loops on one side of the cotton pile fabric from b with a formulation containing a first reactive dye and a thickening agent, d. drying the fabric from c, e. coating the loops on the second side of the cotton pile fabric from d with a formulation containing a second reactive dye and a thickening agent, f. drying and subsequently curing the fabric from e, g. washing the cured fabric from f.
Claim 6
Dependent Claim
17 words
The method of claim 3 wherein the first reactive dye and second reactive dye are the same.
Claim 7
Dependent Claim
25 words
The process of claim 3 comprising the additional step after step g of overdyeing the washed fabric from step g with a third reactive dye.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |