US3746505A
Expired / Lapsed
US
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Treatment of cellulosic textiles with 1,3-dimethylol-4,5-dihydroxy-2-imidazolidinone, zinc nitrate and a sequestering agent
Assignee: Wyeth Holdings LLC
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Filing: 1971-02-10
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Granted: 1973-07-17
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Expires: 1991-02-10
Abstract
Abstract A FINISH FOR CELLULOSIC TEXTILE MATERIALS TO GIVE A WRINKLE RESISTANT AND PERMANENT CREASE TO SAID TEXTILE MATERIALS, WHEREIN THE FINISH CONTAINS A SEQUESTERING AGENT MAKING IT COMPATIBLE WITH OTHER OPERATIONS PERFORMED ON THE TEXTILE.
Inventors
- 👤 P Roth
- 👤 R Bann
- 👤 W Moran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:44
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M13/00; D06M13/322; D06M13/325; D06M13/342; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P5/00; D06P5/02; D06P5/04; D06P5/06; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |