Patent US2817614A successfully refreshed from Google Patents.
US2817614A
Expired / Lapsed
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Internally plasticized melamine resins and laminates made therewith
Assignee: Monsanto Chemicals Ltd
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Filing: 1953-10-26
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Granted: 1957-12-24
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Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 George L Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:10
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/263; C08G12/266; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
A HEAT-HARDENABLE INTERNALLY PLASTICIZED RESINOUS COCONDENSATION PRODUCT OF 1 MOL OF MELAMINE, 1-6 MOLS OF AN ALDEHYDE TAKEN FROM THE GROUP CONSISTING OF FORMALDEHYDE AND POLYMERS THEREOF AND 0.05-0.25 MOL OF AN ARALKYL GUANAMINE HAVING THE FORMULA:
Claim 2
Dependent Claim
37 words
A HEAT-HARDENABLE INTERNALLY PLASTICIZED RESINOUS COCONDENSATION PRODUCT OF 1 MOL OF MELAMINE, 1-6 MOLS OF AN ALDEHYDE TAKEN FROM THE GROUP CONSISTING OF FORMALDEHYDE AND POLYMERS THEREOF AND 0.05-0.25 MOL OF AN ARALKYL GUANAMINE HAVING THE FORMULA:
Claim 3
Dependent Claim
38 words
A NORMALLY RIGID POST-FORMABLE LAMINATE COMPRISING A SHEETED INERT FILLER BONDED WITH A THERMOSET COCONDENSATION PRODUCT OF 1 MOL OF MELAMINE WITH 2-4 MOLS OF FORMALDEHYDE AND 0.05 TO 0.25 MOL OF AN ARALKYL GUANAMINE HAVING THE FORMULA:
Claim 4
Dependent Claim
38 words
A NORMALLY RIGID POST-FORMABLE LAMINATE COMPRISING A SHEETED INERT FILLER BONDED WITH A THERMOSET COCONDENSATION PRODUCT OF 1 MOL OF MELAMINE WITH 2-4 MOLS OF FORMALDEHYDE AND 0.05 TO 0.25 MOL OF AN ARALKYL GUANAMINE HAVING THE FORMULA:
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) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |