US3743529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for rendering difficultly dyeable material or fabric dyeable and product
Assignee: Phillips Petroleum Co
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Filing: 1970-08-19
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Granted: 1973-07-03
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Expires: 1990-08-19
Abstract
Abstract A DIFFICULT DYEABLE MATERIAL OR FABRIC IS RENDERED READILY DYEABLE BY CAUSING ADHERENCE TO THE SAME OF A DYEABLE POWDER, FOR EXAMPLE, BY FUSING THE POWDER TO THE SURFACE OF THE MATERIAL OR FABRIC BY HEAT AND/OR PRESSURE. IN ONE EMBODIMENT A CARPET BACKING MADE OF NONWOVEN POLYPROPYLENE IS RENDERED DYEABLE BY DEPOSITING A DYE RECEPTIVE POLYESTER OR POLYAIDE OR OTHER MATERIAL ON ONE OR BOTH SIDES OF THE FABRIC AND FUSING THE POWDER TO THE SURFACE AS HEREIN DESCRIBED.
Inventors
- 👤 R Ramsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:26
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D06P3/794; D06B; D06B11/00; D06B11/0079; D06B11/0089; D06B19/00; D06P1/00; D06P1/44; D06P1/52; D06P1/5264; D06P1/5271; D06P1/5278; D06P3/791; D06P5/00; D06P5/22; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928; Y10S8/929
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |