US3707533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenyl-azo-phenyl disperse dyes
Assignee: EIDP Inc
•
Filing: 1967-01-31
•
Granted: 1972-12-26
•
Expires: 1987-01-31
Abstract
Abstract THIS INVENTION IS DIRECTED TO MONOAZO DISPERSE DYES, PROCESS AND POLYESTER FIBERS DYED THEREWITH, AS HEREINAFTER DESCRIBED, WHICH DYES EXHIBIT SIGNIFICANTLY DESIRABLE LIGHT FASTNESS, BLOOM, TEMPERATURE SENSITIVITY, SCOURABILITY, CROCK-, WASH-, OZONE-, AND GAS-FUME FASTNESS. FURTHER, THE DYES OF THIS INVENTION ACHIEVE SUPERIOR SUBLIMATION AND SUPERIOR PERSPIRATION FASTNESS WHEN APPLIED TO POLYESTER-CELLULOSIC BLEND FABRICS WHICH FABRICS ARE SUBJECTED TO DURABLE PRESS TREATMENT.
Inventors
- 👤 Raymond Joseph Pohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:45
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/06; C09B29/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |