US2992064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-fading inhibitor for dyed textiles
Assignee: Chicopee Manufacturing Corp
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Filing: 1953-04-15
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Granted: 1961-07-11
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Expires: 1973-04-15
Abstract
No abstract record available.
Inventors
- 👤 David M Musser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/645; D06P1/647
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF INHIBITING THE GAS-FADING ACTION OF ACID GASES UPON DYES OF THE ANTHRAQUINONE TYPE APPLIED TO SYNTHETIC FIBERS, WHICH COMPRISES CONTACTING THE DYED FIBERS WITH A SOLUTION COMPRISING A MAJOR PORTION OF AT LEAST ONE WATER-SOLUBLE SALT OF AN AMINO ACID SELECTED FROM THE GROUP CONSISTING OF THE SODIUM SALT OF TRIS (HYDROXYMETHYL) BIS (CARBOXY-METHYL) AMINO METHANE, THE POTASSIUM SALT OF TRIS (CARBOXY-METHYL)AMINE, THE SODIUM SALT OF ETHYLENE DIAMINE TETRA ACETIC ACID, AND THE TRIETHANOLAMINE SALT OF ETHYLENE DIAMINE TETRA ALPHA METHYL ACETIC ACID, AND A MINOR PORTION OF AT LEAST ONE WATERSOLUBLE ORGANIC AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHANOLAMINE, TRIETHYLENE TETRAMINE AND DIETHANOLAMINE.
Claim 2
Independent Claim
108 words
THE METHOD OF INHIBITING THE GAS-FADING ACTION OF ACID GASES UPON DYES OF THE ANTHRAQUINONE TYPE APPLIED TO SYNTHETIC FIBERS, WHICH COMPRISES CONTACTING THE DYED FIBERS WITH A SOLUTION COMPRISING A MAJOR PORTION OF AT LEAST ONE WATER-SOLUBLE SALT OF AN AMINO ACID SELECTED FROM THE GROUP CONSISTING OF THE SODIUM SALT OF TRIS (HYDROXYMETHYL) BIS (CARBOXY-METHYL) AMINO METHANE, THE POTASSIUM SALT OF TRIS (CARBOXY-METHYL)AMINE, THE SODIUM SALT OF ETHYLENE DIAMINE TETRA ACETIC ACID, AND THE TRIETHANOLAMINE SALT OF ETHYLENE DIAMINE TETRA ALPHA METHYL ACETIC ACID, AND A MINOR PORTION OF AT LEAST ONE WATERSOLUBLE ORGANIC AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHANOLAMINE, TRIETHYLENE TETRAMINE AND DIETHANOLAMINE.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |