Patent US2740737A successfully refreshed from Google Patents.
US2740737A
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Melamine-formaldehyde laminating syrup
Assignee: Monsanto Chemicals Ltd
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Filing: 1954-07-06
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Granted: 1956-04-03
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Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Elmer Curtis
- 👤 Anas Thomas
- 👤 Stuart H Rider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:47
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A CO-CONDENSTION PRODUCT OF ONE MOL OF MELAMINE, FROM 2 TO 5 MOLS OF FORMALDEHYDE, FROM 0.1 TO 1 MOL OF TOLUENE SULFONAMIDE AND FROM 0.0006 TO 0.006 MOL OF A MATERIAL TAKEN FROM THE GROUP 0.0006 TO 0.006 MOL OF A AMMELIDE, CYANURIC ACID AND MIXTURES THEREOF.
Claim 2
Dependent Claim
48 words
A CO-CONDENSTION PRODUCT OF ONE MOL OF MELAMINE, FROM 2 TO 5 MOLS OF FORMALDEHYDE, FROM 0.1 TO 1 MOL OF TOLUENE SULFONAMIDE AND FROM 0.0006 TO 0.006 MOL OF A MATERIAL TAKEN FROM THE GROUP 0.0006 TO 0.006 MOL OF A AMMELIDE, CYANURIC ACID AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2614091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |