Patent US2803563A successfully refreshed from Google Patents.
US2803563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treated textile material and method of producing the same
Assignee: Rohm and Haas Co
•
Filing: 1954-12-17
•
Granted: 1957-08-20
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Fred H Steiger
- 👤 James P Shelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D06M15/568; C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/20; D06M15/39; D06M15/423; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/49; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2361; Y10T442/2861; Y10T442/2869; Y10T442/2885; Y10T442/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD OF MODIFYING A TEXTILE MATERIAL COMPRISING TREATED IT WITH AN AQUEOUS DISPERSION CONTAINING DISPERSED THEREIN 1% TO 90% OF A WATER-SOLUBLE HIGH MOLECULAR WEIGHT CONDENSATE OBATAINED BY REACTING AT A PH BETWEEN 2.3 AND 3.5 A MIXTURE COMPRISING THE DICARBAMATE OF DIETHYLENE GLYCOL AND FORMALDEHYDE, IN WHICH THE MOLAR RATIO OF FORMALDEHYDE TO THE DICARBAMATE IS FROM 2.5:1 TO 3.0.1, SAID CONDENSATE HAVING A VISCOSITY, AT A CONCENTRATION OF 60% IN WATER AT 25*C, OF 2 TO 25 POISES, SAID COMPOSITION CONTAINING 1% TO 6% BY WEIGHT OF AN ACID CATALYST, DRYING AND HEATING THE TREATED MATERIAL AT A TEMPERATURE OF AT LEAST 180*F. TO 350*F.
Claim 2
Independent Claim
108 words
A METHOD OF MODIFYING A TEXTILE MATERIAL COMPRISING TREATED IT WITH AN AQUEOUS DISPERSION CONTAINING DISPERSED THEREIN 1% TO 90% OF A WATER-SOLUBLE HIGH MOLECULAR WEIGHT CONDENSATE OBATAINED BY REACTING AT A PH BETWEEN 2.3 AND 3.5 A MIXTURE COMPRISING THE DICARBAMATE OF DIETHYLENE GLYCOL AND FORMALDEHYDE, IN WHICH THE MOLAR RATIO OF FORMALDEHYDE TO THE DICARBAMATE IS FROM 2.5:1 TO 3.0.1, SAID CONDENSATE HAVING A VISCOSITY, AT A CONCENTRATION OF 60% IN WATER AT 25*C, OF 2 TO 25 POISES, SAID COMPOSITION CONTAINING 1% TO 6% BY WEIGHT OF AN ACID CATALYST, DRYING AND HEATING THE TREATED MATERIAL AT A TEMPERATURE OF AT LEAST 180*F. TO 350*F.
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |