Patent US2553524A successfully refreshed from Google Patents.
US2553524A
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Reaction of aminotriazine-aldehyde with vinyl acetate-maleic copolymer
Assignee: Monsanto Chemicals Ltd
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Filing: 1947-12-20
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Granted: 1951-05-15
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Expires: 1967-12-20
Abstract
No abstract record available.
Inventors
- 👤 Baer Massimo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
C; C08; C08L; C08L31/00; C08L31/02; C08L31/04; C08L35/00; C08L61/00; C08L61/20; C08L61/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS WHICH COMPRISES MIXING AN AQUEOUS SOLUTION CONTAINING 100 PARTS BY WEIGHT OF A WATER-SOLUBLE HETEROPOLYMER CONSISTING OF 1-2 MOLS OF VINYL ACETATE AND 1 MOL OF A COMPOUND TAKEN FROM THE GROUP CONSISTING OF MALEIC ACID AND MALEIC ANHYDRIDE, WITH AN AQUEOUS SOLUTION CONTAINING 2-15 PARTS BY WEIGHT OF A WATERSOLUBLE, FUSIBLE ALDEHYDE-AMINOTRIAZINE CONDENSATION PRODUCT, SAID AMINOTRIAZINE HAVING AT LEAST TWO ALDEHYDE-REPLACEABLE HYDROGEN ATOMS ATTACHED TO THE AMIDO NITROGEN ATOMS, DRYING THE RESULTANT AQUEOUS SOLUTION AND CURING THE DRIED MIXTURE WITH HEAT TO PRODUCE AN INSOLUBLE, INFUSIBLE PRODUCT.
Claim 2
Dependent Claim
90 words
A PROCESS WHICH COMPRISES MIXING AN AQUEOUS SOLUTION CONTAINING 100 PARTS BY WEIGHT OF A WATER-SOLUBLE HETEROPOLYMER CONSISTING OF 1-2 MOLS OF VINYL ACETATE AND 1 MOL OF A COMPOUND TAKEN FROM THE GROUP CONSISTING OF MALEIC ACID AND MALEIC ANHYDRIDE, WITH AN AQUEOUS SOLUTION CONTAINING 2-15 PARTS BY WEIGHT OF A WATERSOLUBLE, FUSIBLE ALDEHYDE-AMINOTRIAZINE CONDENSATION PRODUCT, SAID AMINOTRIAZINE HAVING AT LEAST TWO ALDEHYDE-REPLACEABLE HYDROGEN ATOMS ATTACHED TO THE AMIDO NITROGEN ATOMS, DRYING THE RESULTANT AQUEOUS SOLUTION AND CURING THE DRIED MIXTURE WITH HEAT TO PRODUCE AN INSOLUBLE, INFUSIBLE PRODUCT.
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |