US2670263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and process for dyeing polyethylene terephthalate fibers
Assignee: General Dyestuff Corp
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Filing: 1951-03-21
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Granted: 1954-02-23
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Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Luttringhaus Hans
- 👤 Arcus Alex Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:28
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/6515; D06P3/523; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A COMPOSITION FOR DYEING POLYETHYLENE TEREPHTHALATE FIBERS WHICH COMPRISES AN ACID-VAT DYE, A CARRIER SELECTED FROM THE GROUP CONSISTING OF CHLOROBENZENE, ORTHODICHLOROBENZENE, AND TRICHLOROBENZENE, AND A DISPERSING AGENT THEREFOR.
Claim 2
Dependent Claim
29 words
A COMPOSITION FOR DYEING POLYETHYLENE TEREPHTHALATE FIBERS WHICH COMPRISES AN ACID-VAT DYE, A CARRIER SELECTED FROM THE GROUP CONSISTING OF CHLOROBENZENE, ORTHODICHLOROBENZENE, AND TRICHLOROBENZENE, AND A DISPERSING AGENT THEREFOR.
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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |