US2960484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methylol-amino-epihalohydrin resinous products and method for making same
Assignee: Courtaulds Inc
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Filing: 1957-06-04
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Granted: 1960-11-15
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Expires: 1977-06-04
Abstract
No abstract record available.
Inventors
- 👤 Daul George Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:04
CPC Classifications
C; C07; C07G; C07G99/00; C08; C08G; C08G12/00; C08G12/02; C08G12/40; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A FINISHING AGENT FOR FIBROUS CELLULOSIC MATERIALS COMPRISING AN AQUEOUS SOLUTION OF SODUIM OLEATE AND OLEIC ACID AND CONTAINING A SUBSTANCE OBTAINED BY REACTING ONE MORE OF A RESIN-FORMING AMONE COMPONENT SELECTED FROM THE GROUP CONSISTING OF UREA, GUANIDINE, DICYANDIAMIDE, 1,3,5-AMINOTRIAZINES HAVING AT LEAST TWO REACTIVE AMINO GROUPS AND MIXTURES THEREOF, WITH BETWEEN ABOUT 0.1 AND ANOUT 2 MOLES OF A N EPIHALOHYDRIN TO FROM AN AMINO-EPIHALOHYDRIN ADDUCT AND REACTING SAID ADDUCT WITH BETWEEN ABOUT 5.9 AND ABOUT 1.5 MOLES OF A COMPOUND CAPABLE OF FORMING METHYLOL GROUPS SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE AND PARAFORMALDEHYDE.
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |