US3584993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylene bis-allylthioureas stabilizing disperse dyes
Assignee: FRANCIS S MOUSSALLI
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Filing: 1969-06-12
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Granted: 1971-06-15
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Expires: 1989-06-12
Abstract
Abstract ANY OF ALKYLENE DI-ALLYLTHIOUREAS, HALO- OR HYDROXY-SUBSTITUTED N-ARYL OR N-ALKYL ALLYLTHIOUREAS, QUATERNARY AMMONIUM OR N-HETEROCYCLIC DERIVATIVES OF THE ALLYLTHIOUREAS ARE USED TO STABILIZE DISPERSE DYES, PROTEIN FIBERS, NYLON, SPANDEX, POLYURETHANE FOAM OR RUBBER. THESE ALLYLTHIOUREAS ARE ALSO USED AS ANTIOXIDANTS FOR SOAPS AND OILS, CORROSION INHIBITORS, ANTI-TARNISH AGENTS HYDROCARBON OIL ADDITIVES AND ELECTROPLATING BATH ADDITIVES.
Inventors
- 👤 William J Myles
- 👤 Francis S Moussalli
- 👤 Albert Bloom
- 👤 Paul L Tobey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:02
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6491
Claims Analysis
Total Claims: 0
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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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |