Temporary soil release resins applied to fabrics in laundering
Abstract
Abstract A LAUNDERING PROCESS AND NOVEL LAUNDERING COMPOSITION USED TO IMPART TEMPORARY SOIL RELEASE PROPERTIES TO TEXTIILE FABRIICS BY IMPREGNATING THE FABRICS WITH AN ACRYLIC RESIN IN THE FINAL STEP OF A LAUNDERING OPERATION, USUALLY IN THE SOUR OPERATION. THE FABRICS ARE THAN DRIED LEAVING A RESIDUE OD F THE RESIN ON THE FABRICS WHICH HELPS REMOVE AFTER ACQUIRED STAINS. THE RESIN IMPREGNATION CAN BE COMBINED WITH FABRIC FINISHING TREATMENTS SUCH AS BLUEING, SIZING, BRIGHTENING AND SOFTENING. THE PROCESS IS REPEATED WITH EACH SUBSEQUENT LAUNDERING OF THE FABRICS TO OBTAIN OPTIMUM SOIL RELEASE AND STAIN REMOVAL. THE LAUNDERING COMPOSITIONS COMPRISES WATER, ACRYLIC RESIN, AND LAUNDRY SOUR OR OTHER FABRIC AGENT.
Inventors
- 👤 H Mandell
Bibliographic Details
Claims Analysis
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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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |