US3597380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified methylolated aliphatic carbamate permanent press textile resin
Assignee: Texaco Inc
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Filing: 1968-07-25
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Granted: 1971-08-03
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Expires: 1988-07-25
Abstract
Abstract PREPARING A TEXTILE TREATING RESIN BY REACTING MELAMINE WITH AN AQUEOUS SOLUTION OF A METHYLOLATED ALIPHATIC CARBAMATE HAVING FREE FORMALDEHYDE THEREIN WHEREBY REDUCING THE FREE FORMALDEHYDE CONTENT. SUITABLE CARBAMATES ARE METHYLOLATED ALKYL, HYDROXYLALKYL AND ALKOXYALKYL CARBAMATES. THE PH RANGES FROM 3.5 TO 7.5 DEPENDING UPON THE SPECIFIC CARBAMATES USED AND THE RATIO OF FREE FORMALDEHYDE TO MELAMINE IS GENERALLY FROM ABOUT 6:1 TO 9:1.
Inventors
- 👤 Angelo Joseph Bertini
- 👤 Morris Stephen Edmondson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34
Claims Analysis
Total Claims: 0
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |