US3144299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrinkle resistance finish for cellulosic textiles
Assignee: Individual
•
Filing: 1961-06-06
•
Granted: 1964-08-11
•
Expires: 1981-06-06
Abstract
No abstract record available.
Inventors
- 👤 Jr John G Frick
- 👤 Reid John David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:50
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/127; C; C07; C07C; C07C271/00; C07C271/06; C07C271/08; C07C271/10; C07C271/16; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/20; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR TREATING A CELLULOSIC TEXTILE FABRIC COMPRISING: WETTING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING ABOUT FROM 5 TO 20% BY WEIGHT OF A WATER SOLUBLE PRODUCT OF FORMALDEHYDE AND A CARBAMATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHYL CARBAMATE, ETHYL CARBAMATE, PROPYL CARBOMATE, AND BUTYL CARBAMATE, SAID PRODUCT HAVING BEEN PRODUCED BY THE REACTION, IN AQUEOUS ALKALINE SOLUTION, OF THE FORMALDEHYDE AND THE CARBAMATE COMPOUND IN THE MOLE RATIO OF 2 TO 1, AND FROM 0.5 TO 6.0% BY WEIGHT BASED ON THE WEIGHT OF THE CARBAMATE COMPOUND-FOROMALDEHYDE SOLUTION OF AN ACIDIC CATALYST, AND DRYING AND CURING THE TREATED FABRIC AT A TEMPERATURE OF FROM 130 TO 160*C.
Claim 2
Dependent Claim
112 words
A PROCESS FOR TREATING A CELLULOSIC TEXTILE FABRIC COMPRISING: WETTING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING ABOUT FROM 5 TO 20% BY WEIGHT OF A WATER SOLUBLE PRODUCT OF FORMALDEHYDE AND A CARBAMATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHYL CARBAMATE, ETHYL CARBAMATE, PROPYL CARBOMATE, AND BUTYL CARBAMATE, SAID PRODUCT HAVING BEEN PRODUCED BY THE REACTION, IN AQUEOUS ALKALINE SOLUTION, OF THE FORMALDEHYDE AND THE CARBAMATE COMPOUND IN THE MOLE RATIO OF 2 TO 1, AND FROM 0.5 TO 6.0% BY WEIGHT BASED ON THE WEIGHT OF THE CARBAMATE COMPOUND-FOROMALDEHYDE SOLUTION OF AN ACIDIC CATALYST, AND DRYING AND CURING THE TREATED FABRIC AT A TEMPERATURE OF FROM 130 TO 160*C.
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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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |