Patent US3098691A successfully refreshed from Google Patents.
US3098691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing of polyester fiber
Assignee: EIDP Inc
•
Filing: 1961-02-17
•
Granted: 1963-07-23
•
Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Pascal Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:10
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/928; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS OF DYEING TEXTILE FIBER OF THE GROUP CONSISTING OF POLYETHYLENE TEREPHTHALATE FIBER AND SULFONATE MODIFIED POLYETHYLENE TEREPHTHALATE FIBER, WHICH COMPRISES APPLYING THERETO A DYEBATH CONSISTING OF A SOLUTION OF A DISPERSE DYE IN DIOXANE, SAID APPLICATION OF THE DYEBATH BEING EFFECTED AT ABOUT THE BOILING POINTOF THE DYEBATH.
Claim 2
Dependent Claim
50 words
A PROCESS OF DYEING TEXTILE FIBER OF THE GROUP CONSISTING OF POLYETHYLENE TEREPHTHALATE FIBER AND SULFONATE MODIFIED POLYETHYLENE TEREPHTHALATE FIBER, WHICH COMPRISES APPLYING THERETO A DYEBATH CONSISTING OF A SOLUTION OF A DISPERSE DYE IN DIOXANE, SAID APPLICATION OF THE DYEBATH BEING EFFECTED AT ABOUT THE BOILING POINTOF THE DYEBATH.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |