US2952892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic fabric finishing
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1956-07-19
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Granted: 1960-09-20
•
Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Charles D Stump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:17
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD FOR TREATING CELLULOSIC FABRICS TO IMPART DURABLE CREASE RESISTANCE THERETO, WHICH METHOD COMPRISES ILMPREGNATING THE FABRIC WITH A DISPERSION COMPRISING AN AQUEOUS EMULSION OF A POLYMERIZED ACRYLIC ESTER AND OF A SILICONE RESIN, SAID ACRYLIC ESTER COMPRISING FROM .5% TO 5% BY WEIGHT OF THE DISPERSION AND SAID SILICONE RESIN COMPRISING FROM .4% TO 4% OF THE DISPERSION, AND THEREAFTER DRYING THE IMPREGNATED FABRIC.
Claim 2
Independent Claim
66 words
A METHOD FOR TREATING CELLULOSIC FABRICS TO IMPART DURABLE CREASE RESISTANCE THERETO, WHICH METHOD COMPRISES ILMPREGNATING THE FABRIC WITH A DISPERSION COMPRISING AN AQUEOUS EMULSION OF A POLYMERIZED ACRYLIC ESTER AND OF A SILICONE RESIN, SAID ACRYLIC ESTER COMPRISING FROM .5% TO 5% BY WEIGHT OF THE DISPERSION AND SAID SILICONE RESIN COMPRISING FROM .4% TO 4% OF THE DISPERSION, AND THEREAFTER DRYING THE IMPREGNATED FABRIC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |