US2696477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrolein-formaldehyde condensation product
Assignee: Dan River Mills Inc
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Filing: 1951-04-21
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Granted: 1954-12-07
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Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 Dmitry M Gagarine
- 👤 Repokis Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:42
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/75; C08; C08G; C08G6/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A WATER SOLUBLE CONDENSATION PRODUCT SUITABLE FOR THE TREATMENT OF TEXTILE MATERIAL COMPRISING THE REACTION PRODUCT OF ONE MOL OF A ACROLEIN AND ONE TO SIX MOLS OF FORMALDEHYDE IN THE PRESENCE OF A SMALL PERCENTAGE LESS THAN 5% BY WEIGHT OF A BASIC CATALYST.
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) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |