Patent US2862901A successfully refreshed from Google Patents.
US2862901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous solution of amino-aldehyde
Assignee: —
•
Filing: —
•
Granted: 1958-12-02
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Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:27
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/10; C08G12/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A COMPOSITION OF MATTER WHICH COMPRISES AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CATIONIC THERMOSETTING AMINO-ALDEHYDE RESIN, AND A WATER-SOLUBLE POLYMER HAVING AT LEAST 5% FORMALDEHYDE-REACTIVE CARBOXAMIDE SUBSTITUENTS ATTACHED TO CARBON ATOMS IN A SUBSTANTIALLY LINEAR CHAIN OBTAINED BY THE POLYMERIZATION OF AN ETHYLENICALLY UNSATURATED AMIDE AND WHEREIN THE RESIN:POLYMER WEIGHT RATIO IS BETWEEN ABOUT 1:10 AND 10:1.
Claim 2
Dependent Claim
57 words
A COMPOSITION OF MATTER WHICH COMPRISES AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CATIONIC THERMOSETTING AMINO-ALDEHYDE RESIN, AND A WATER-SOLUBLE POLYMER HAVING AT LEAST 5% FORMALDEHYDE-REACTIVE CARBOXAMIDE SUBSTITUENTS ATTACHED TO CARBON ATOMS IN A SUBSTANTIALLY LINEAR CHAIN OBTAINED BY THE POLYMERIZATION OF AN ETHYLENICALLY UNSATURATED AMIDE AND WHEREIN THE RESIN:POLYMER WEIGHT RATIO IS BETWEEN ABOUT 1:10 AND 10:1.
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |