US3720500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile materials and processes for making the same
Assignee: Milliken Research Corp
•
Filing: 1970-10-12
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Granted: 1973-03-13
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Expires: 1990-10-12
Abstract
Abstract CELLULOSIC MATERIALS, PARTICULARLY TEXTILE MATERIALS CONSISTING OF CELLULOSIC FIBERS OR BLENDS OF CELLULOSIC AND NONCELLULOSIC FIBERS, ARE TREATED WITH COMPOUNDS CONTAINING SULFATO ETHYL SULFONE GROUPS WHICH FUNCTION AS VINYL SULFONE GROUP PRECURSORS. THE COMPOUNDS MAY BE APPLIED TO THE CELLULOSIC MATERIAL EITHER CONCOMITANTLY WITH THERMOSETTING RESINS OR SUBSEQUENT TO MODIFICATION OF THE CELLULOSIC MATERIAL WITH THERMOSETTING RESINS.
Inventors
- 👤 D Gale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:49
CPC Classifications
C; C07; C07D; C07D327/00; C07C; C07C317/00; C07C317/16; C07C317/18; C07C323/00; C07C323/10; C07C323/11; C07C323/12; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/272; D06M13/278; Y; Y10; Y10S; Y10S8/00; Y10S8/02
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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |