US3093437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing, padding and printing of hydrophobic fibers with indandione dyestuffs
Assignee: Sandoz AG
•
Filing: 1960-02-16
•
Granted: 1963-06-11
•
Expires: 1980-02-16
Abstract
No abstract record available.
Inventors
- 👤 Merian Ernest
- 👤 Senn Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:42
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/12; C09B43/124; C09B43/1245; Y; Y10; Y10S; Y10S8/00; Y10S8/908; Y10S8/909; Y10S8/91; Y10S8/912; Y10S8/916; Y10S8/917; Y10S8/918; Y10S8/92; Y10S8/921; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
PROCESS FOR DYEING HYDROPHOBIC TEXTILE MATERIALS SELECTED FROM THE GROUP CONSISTING OF SECONDARY CELLULOSE ACETATE, CELLULOSE TRIACETATE, SYNTHETIC POLYAMIDE FIBERS, AND POLYETHYLENE TEREPHTHALATE FIBERS, WHICH COMPRISES APPLYING ONTO THE SAID TEXTILE MATERIALS AN AQUEOUS SUSPENSION OF THE FINELY DIVIDED DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
43 words
PROCESS FOR DYEING HYDROPHOBIC TEXTILE MATERIALS SELECTED FROM THE GROUP CONSISTING OF SECONDARY CELLULOSE ACETATE, CELLULOSE TRIACETATE, SYNTHETIC POLYAMIDE FIBERS, AND POLYETHYLENE TEREPHTHALATE FIBERS, WHICH COMPRISES APPLYING ONTO THE SAID TEXTILE MATERIALS AN AQUEOUS SUSPENSION OF THE FINELY DIVIDED DYESTUFF 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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |