Patent US4314804A successfully refreshed from Google Patents.
US4314804A
Expired / Lapsed
US
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Process for washing dyed or printed textile material
Assignee: Girmes Werke AG
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Filing: 1980-01-25
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Granted: 1982-02-09
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Expires: 2000-01-25
Abstract
Abstract Disclosed is a process for washing dyed or printed textile material to remove unwanted substances from the dying or printing process, comprising the steps of applying to the textile material a foam which is produced from a liquid and contains at least one surface active agent and a component which is soluble in the liquid, has substantially no affinity for the fibers of the textile material and possesses a substantial adsorption capacity for the substances to be removed; working the foam into the textile material; and removing the foam. Also disclosed is a liquid composition for carrying out the disclosed process.
Inventors
- 👤 Peter Fennekels
- 👤 Ernst Waltmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:36
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/96; D06P1/965; D06L; D06L1/00; D06L1/12; D06P5/00; D06P5/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
98 words
A process for washing dyed or printed textile pile fabric to remove unwanted residual substances from the dying or printed process of the fabric, comprising the steps of: applying to the side of the fabric opposite the pile a foam which is produced from a liquid consisting essentially of at least one surface active agent and polyvinylpyrrolidone, said foam having a temperature of between about 60° C. and 95° C. during application to said fabric; and removing the foam by applying suction to the pile side of fabric wherein said process is carried out in a continuous manner.
Claim 2
Dependent Claim
98 words
A process for washing dyed or printed textile pile fabric to remove unwanted residual substances from the dying or printed process of the fabric, comprising the steps of: applying to the side of the fabric opposite the pile a foam which is produced from a liquid consisting essentially of at least one surface active agent and polyvinylpyrrolidone, said foam having a temperature of between about 60° C. and 95° C. during application to said fabric; and removing the foam by applying suction to the pile side of fabric wherein said process is carried out in a continuous manner.
Claim 3
Dependent Claim
28 words
A process according to claim 1, wherein said surface active agent comprises an anionic surface active agent or a mixture of an anionic and non-ionic surface active agents.
Claim 4
Dependent Claim
42 words
A process according to claim 2, wherein said anionic surface active agent comprises an alkali metal salt of an n-alkyl sulfate, an n-alkylbenzolsulfate or n-methyl-N-oleoyltaurate or an alkali metal or ammonium salt of a fatty acid having at least 12 carbon atoms.
Claim 5
Dependent Claim
22 words
A process according to claim 2, wherein said non-ionic surface active agent comprises an alkyl polyglycol ether or an oxyethylated alkyl phenol.
Claim 6
Dependent Claim
22 words
A process according to claim 1, further comprising the step of rinsing the textile material with water after removal of said foam.
Claim 7
Dependent Claim
40 words
A process according to claim 1, wherein said textile pile fabric has been dyed with a vat dyestuff or a sulfur dyestuff, which requires an oxidative after-treatment, and wherein said liquid further comprises an oxidizing agent suitable for said after-treatment.
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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) | 1985-02-08 | 1985-08-10 | 1986-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-08 | 1989-08-10 | 1990-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-08 | 1993-08-10 | 1994-02-09 | $7700.00 | Window Closed / Lapsed |