US2582239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water repellent treatment of textiles with long chain substituted phenol aldehyde resin emulsion
Assignee: Individual
•
Filing: 1946-08-13
•
Granted: 1952-01-15
•
Expires: 1966-08-13
Abstract
No abstract record available.
Inventors
- 👤 Charles G Dodd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:29
CPC Classifications
C; C08; C08G; C08G8/00; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T442/00; Y10T442/20; Y10T442/2164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
THE METHOD OF FORMING A CONTINUOUS DEPOSIT OF A PHENOL ALDEHYDE RESIN ON A SMOOTHFIBER THERMOPLASTIC SYNTHETIC RESINOUS FABRIC SELECTED FROM THE GROUP CONSISTING OF POLYAMIDE FABRIC AND VINYL POLYMER FABRIC, COMPRISING FORMING A SUBSTITUTED PHENOL ALDEHYDE CONDENSATE BY DISSOLVING IN A WATER-SOLUBLE ALCOHOL A PHENOL HAVING AS ITS SOLE SUBSTITUENT A SATURATED ALIPHATIC SIDE CHAIN OF AT LEAST 12 CARBON ATOMS OF THE CONFIGURATION CH3 (CH2)X.Y- WHEREIN X IS AT LEAST 10 AND WHEREIN Y IS SELECTED FROM THE -CH2GROUP ATTACHED IN THE METAL POSITION TO THE PHENOL RING AND THE-CO-GROUP ATTACHED TO THE PHENOL RING, AND AS EXCESS OF A SUBSTANCE CAPABLE OF YIELDING A REACTIVE METHYLENE GROUP, SAID SUBSTANCE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE, FORMALDEHYDE POLYMERS AND HEXAMETHYLENE TETRAMINE, HEATING SAID SOLUTION UNTIL SAID PHENOL AND SAID SUBSTANCE ARE PARTIALLY CONDENSED, THEN EVAPORATING A MAJOR PART OF SAID ALCOHOL, THEN ADDING AN INERT ORGANIC WATER-IMMISCIBLE SOLVENT, AND EMULSIFYING THE SOLUTION IN A HOT ALKALINE WATER SOLUTION, COATING SAID FABRIC WITH SAID CONDENSATE FROM SAID EMULSION, AND CURING THE COATED FABRIC AT AN ELEVATED TEMPERATURE BELOW THE SOFTENING POINT OF SAID FABRIC, WHEREBY A CONTINUOUS WATER-INSOLUBLE AND STRONGLY FABRIC-ADHESIVE DEPOSIT IS FORMED ON SAID FABRIC.
Claim 2
Independent Claim
202 words
THE METHOD OF FORMING A CONTINUOUS DEPOSIT OF A PHENOL ALDEHYDE RESIN ON A SMOOTHFIBER THERMOPLASTIC SYNTHETIC RESINOUS FABRIC SELECTED FROM THE GROUP CONSISTING OF POLYAMIDE FABRIC AND VINYL POLYMER FABRIC, COMPRISING FORMING A SUBSTITUTED PHENOL ALDEHYDE CONDENSATE BY DISSOLVING IN A WATER-SOLUBLE ALCOHOL A PHENOL HAVING AS ITS SOLE SUBSTITUENT A SATURATED ALIPHATIC SIDE CHAIN OF AT LEAST 12 CARBON ATOMS OF THE CONFIGURATION CH3 (CH2)X.Y- WHEREIN X IS AT LEAST 10 AND WHEREIN Y IS SELECTED FROM THE -CH2GROUP ATTACHED IN THE METAL POSITION TO THE PHENOL RING AND THE-CO-GROUP ATTACHED TO THE PHENOL RING, AND AS EXCESS OF A SUBSTANCE CAPABLE OF YIELDING A REACTIVE METHYLENE GROUP, SAID SUBSTANCE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE, FORMALDEHYDE POLYMERS AND HEXAMETHYLENE TETRAMINE, HEATING SAID SOLUTION UNTIL SAID PHENOL AND SAID SUBSTANCE ARE PARTIALLY CONDENSED, THEN EVAPORATING A MAJOR PART OF SAID ALCOHOL, THEN ADDING AN INERT ORGANIC WATER-IMMISCIBLE SOLVENT, AND EMULSIFYING THE SOLUTION IN A HOT ALKALINE WATER SOLUTION, COATING SAID FABRIC WITH SAID CONDENSATE FROM SAID EMULSION, AND CURING THE COATED FABRIC AT AN ELEVATED TEMPERATURE BELOW THE SOFTENING POINT OF SAID FABRIC, WHEREBY A CONTINUOUS WATER-INSOLUBLE AND STRONGLY FABRIC-ADHESIVE DEPOSIT IS FORMED ON SAID FABRIC.
References Cited (Backward Citations)
US1987549A
Cited
US2284369A
Cited
US2062676A
Cited
US2220856A
Cited
US2175393A
Cited
US2209903A
Cited
US2346256A
Cited
US2370362A
Cited
US2420157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |