US2763529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and process for dyeing
Assignee: —
•
Filing: —
•
Granted: 1956-09-18
•
Expires: 1973-09-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:19
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/645; D06P1/38; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/24; D06P3/58; D06P3/60; D06P3/66; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR DYEING NITROGENOUS FIBERS WITH METALLIZABLE WOOL DYESTUFFS BY THE SINGLE BATH METALLIZING PROCESS IN THE PRESENCE OF AN AGENT YIELDING METAL, WHICH COMPRISES ADDING TO THE DYEBATH A SMALL QUANTITY OF A WATERSOLUBLE PRODUCT WHICH IN ITS FREE BASE FORM IS THE CONDENSATION PRODUCT OF 4 TO 8 MOLECULAR PROPORTIONS OF ETHYLENE OXIDE AND ONE MOLECULAR PROPORTION OF AN AMINE OF THE FORMULA
Claim 2
Dependent Claim
66 words
A PROCESS FOR DYEING NITROGENOUS FIBERS WITH METALLIZABLE WOOL DYESTUFFS BY THE SINGLE BATH METALLIZING PROCESS IN THE PRESENCE OF AN AGENT YIELDING METAL, WHICH COMPRISES ADDING TO THE DYEBATH A SMALL QUANTITY OF A WATERSOLUBLE PRODUCT WHICH IN ITS FREE BASE FORM IS THE CONDENSATION PRODUCT OF 4 TO 8 MOLECULAR PROPORTIONS OF ETHYLENE OXIDE AND ONE MOLECULAR PROPORTION OF AN AMINE OF THE FORMULA
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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |