US2641584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive compositions, including an amylaceous material and a triazone
Assignee: EIDP Inc
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Filing: 1951-10-26
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Granted: 1953-06-09
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Expires: 1971-10-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas A Martone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:59
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; C09J161/00; C09J161/20; C09J161/22; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN AQUEOUS ADHESIVE AND FINISHING COMPOSITION WHICH CONTAINS FROM 10 TO 30% BY WEIGHT OF AN AMYLACEOUS MATERIAL, FROM 0.5 TO 2% BY WEIGHT ALUMINUM SULFATE CALCULATED AS THE ANHYDROUS SALT, AND FROM 0.3 TO 5% BY WEIGHT OF A WATER-SOLUBLE REACTION PRODUCT OF UREA, FORMALDEHYDE AND A PRIMARY AMINE, SAID REACTION PRODUCT CONTAINING TRIAZONE RINGS IN WHICH METHYLENE GROUPS ARE ATTACHED TO THE NITROGEN ATOMS ADJACENT TO THE CARBONYL GROUP, SAID TRIAZONE RINGS BEING FORMED DURING REACTION OF THE UREA, FORMALDEHYDE AND THE AMINE IN ALKALINE SOLUTION, THERE BEING EMPLOYED IN THE PREPARATION OF THE SAID REACTION PRODUCT FOR EACH MOLE OF THE PRIMARY AMINE FROM 0.75P TO N MOLES OF UREA, WHERE P REPRESENTS THE NUMBER OF PRIMARY AMINO GROUPS AND N REPRESENTS THE TOTAL NUMBER OF AMINO GROUP IN EACH MOLECULE OF PRIMARY AMINE, AND AT LEAST (2U+1.5P) MOLES OF FORMALDEHYDE, WHERE U REPRESENTS THE NUMBER OF MOLES OF UREA USED.
Claim 2
Dependent Claim
154 words
AN AQUEOUS ADHESIVE AND FINISHING COMPOSITION WHICH CONTAINS FROM 10 TO 30% BY WEIGHT OF AN AMYLACEOUS MATERIAL, FROM 0.5 TO 2% BY WEIGHT ALUMINUM SULFATE CALCULATED AS THE ANHYDROUS SALT, AND FROM 0.3 TO 5% BY WEIGHT OF A WATER-SOLUBLE REACTION PRODUCT OF UREA, FORMALDEHYDE AND A PRIMARY AMINE, SAID REACTION PRODUCT CONTAINING TRIAZONE RINGS IN WHICH METHYLENE GROUPS ARE ATTACHED TO THE NITROGEN ATOMS ADJACENT TO THE CARBONYL GROUP, SAID TRIAZONE RINGS BEING FORMED DURING REACTION OF THE UREA, FORMALDEHYDE AND THE AMINE IN ALKALINE SOLUTION, THERE BEING EMPLOYED IN THE PREPARATION OF THE SAID REACTION PRODUCT FOR EACH MOLE OF THE PRIMARY AMINE FROM 0.75P TO N MOLES OF UREA, WHERE P REPRESENTS THE NUMBER OF PRIMARY AMINO GROUPS AND N REPRESENTS THE TOTAL NUMBER OF AMINO GROUP IN EACH MOLECULE OF PRIMARY AMINE, AND AT LEAST (2U+1.5P) MOLES OF FORMALDEHYDE, WHERE U REPRESENTS THE NUMBER OF MOLES OF UREA USED.
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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |