US3067062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition, process for making and process for treating cellulosic fabric
Assignee: EIDP Inc
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Filing: 1961-04-05
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Granted: 1962-12-04
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Expires: 1981-04-05
Abstract
No abstract record available.
Inventors
- 👤 Etzel Gastao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:19
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34; C08G12/36; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A PROCESS FOR TREATING A CELLULOSIC FABRIC WITH A COMPOSITION CONSISTING OF 5,5''-HEXAMETHYLENEBIS(TETRAHYDRO1,3-DIMETHYLOL-S-TRIAZIN-2(IH)-ONE ) AND TETRAMETHYLOLUREA IN A WEIGHT RATIO OF BETWEEN 1:0.4 AND 1:10, WHICH PROCESS COMPRISES PADDING THE CELLULOSIC FABRIC TO PICK UP, ON THE WEIGHT OF THE FABRIC, BETWEEN 3% AND 10% OF THE COMPOSITION TOGETHER WITH BETWEEN 0.5% AND 2% OF ZINC NITRATE CATALYST, DRYING THE TREATED FABRIC AND HEATING IT AT A TEMPERATURE ABOVE 300*F., NEUTRALIZING THE RESULTANT FABRIC WITH ALKALI FOLLOWED BY RINSING SO THAT THE FABRIC-RINSING SOLUTION EQUILIBRIUM PH IS BETWEEN 7 AND 7.5, AND FINALLY DRYING THE FABRIC.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |