Patent US3097041A successfully refreshed from Google Patents.
US3097041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing with reactive dyes in
Assignee: —
•
Filing: —
•
Granted: 1963-07-09
•
Expires: 1980-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:31
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/58; D06P3/60; D06P3/66; A; A61; A61Q; A61Q5/00; A61Q5/10; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS FOR DYEING KERATIN-CONTAINING FIBERS WITH REACTIVE DYESTUFFS, WHICH CONSISTS IN (1) TREATING THE FIBERS IN AQUEOUS ACID MEDIUM AT A TEMPERATURE OF MAXIMALLY 100*C. WITH A REDUCING COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
33 words
A PROCESS FOR DYEING KERATIN-CONTAINING FIBERS WITH REACTIVE DYESTUFFS, WHICH CONSISTS IN (1) TREATING THE FIBERS IN AQUEOUS ACID MEDIUM AT A TEMPERATURE OF MAXIMALLY 100*C. WITH A REDUCING COMPOUND 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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |