Patent US2524915A successfully refreshed from Google Patents.
US2524915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of permanent lustrous finishes on fabrics
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1947-06-17
•
Granted: 1950-10-10
•
Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Arnold L Lippert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:17
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/08; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M7/00; C; C10; C10M; C10M2219/00; C10M2219/02; C10M2219/024; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
THE PROCESS OF IMPARTING A DURABLE-TO-WATER MECHANICAL LUSTROUS FINISH TO FABRICS, WHICH PROCESS CONSISTS IN IMPREGNATING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING FROM 10% TO 30% OF THERMOSETTING UREA-FOMALDEHYDE RESIN-FORMING MATERIAL AND A NORMALLY FLUID WATER-MISCIBLE WETTING OIL HAVING A CHAIN OF MORE THAN 8 CARBON ATOMS; AND CAPABLE OF PREVENTING STICKING OF THE RESIN TO CALENDAR ROLLS; DRYING THE FABRIC TO DAMPNESS; PASSING THE DRIED FABRIC BETWEEN ROLLS OF A PRESSURE FINISHING CALENDAR; HEAT SETTING THE RESIN TO THE WATER-INSOLUBLE STATE; AND WASHING THE FABRIC; THE AMOUNT OF OIL BEING FROM AT LEAST SUFFICIENT TO PREVENT STICKING OF RESIN IN THE CALANDER UP TO SUBSTANTIALLY 60% OF THE CONCENTRATION OF THE RESIN-FORMING MATERIALS.
Claim 2
Dependent Claim
115 words
THE PROCESS OF IMPARTING A DURABLE-TO-WATER MECHANICAL LUSTROUS FINISH TO FABRICS, WHICH PROCESS CONSISTS IN IMPREGNATING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING FROM 10% TO 30% OF THERMOSETTING UREA-FOMALDEHYDE RESIN-FORMING MATERIAL AND A NORMALLY FLUID WATER-MISCIBLE WETTING OIL HAVING A CHAIN OF MORE THAN 8 CARBON ATOMS; AND CAPABLE OF PREVENTING STICKING OF THE RESIN TO CALENDAR ROLLS; DRYING THE FABRIC TO DAMPNESS; PASSING THE DRIED FABRIC BETWEEN ROLLS OF A PRESSURE FINISHING CALENDAR; HEAT SETTING THE RESIN TO THE WATER-INSOLUBLE STATE; AND WASHING THE FABRIC; THE AMOUNT OF OIL BEING FROM AT LEAST SUFFICIENT TO PREVENT STICKING OF RESIN IN THE CALANDER UP TO SUBSTANTIALLY 60% OF THE CONCENTRATION OF THE RESIN-FORMING MATERIALS.
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |