Patent US3131116A successfully refreshed from Google Patents.
US3131116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post forming of decorative laminates
Assignee: Wyeth Holdings LLC
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Filing: 1959-06-10
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Granted: 1964-04-28
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Pounds Lewis Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:54
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; B27; B27D; B27D1/00; B32; B32B; B32B27/00; D; D21; D21J; D21J1/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/31504; Y10T428/31942; Y10T428/31946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
234 words
A UNITARY, HEAT- AND PRESSURE-CONSOLIDATE, POSTFORMABLE, HIGH PRESSURE DECORATIVE LAMINATED ARTICLE HAVING A HEAT-RESISTANT DECORATIVE SURFACE WHICH COMPRISES A SUPERIMPOSED ASSEMBLY OF: (A) A RIGIDITY-IMPARTING BASE MEMBER COMPRISING A PLURALITY OF FIBROUS SHEETS IMPREGNATES WITH A THERMOSETTING PHENOLIC RESIN WHICH HAS BEEN ADVACED TO A STATE SOMEWHAT SHORT OF SUBSTANTIALLY COMPLETE CURE, (B) A BARRIER MEMBER DIRECTLY BONDED TO SAID BASE MEMBER COMPRISING A FIBROUS SHEET IMPREGNATED WITH AN UNCATALYZED THERMOSETTING MELAMINE-FORMALDEHYDE RESINOUS COMPOSITION WHICH HAS BEEN ADVANCED TO A STATE WOMEWHAT SHORT OF SUBSTUANTIALLY COMPLETE CURE, AND (C) AN OVERLAY MEMBER DIRECTLY BONDED TO SAID BARRIER MEMBER COMPRISING A FIBROUS SHEET IMPREGNATED WITH A SUBSTANTIALLY COMPLETELY CURED MELAMINE-FORMALDEHYDE RESINOUS COMPOSITION, SAID SUBSTANTIALLY COMPLETELY CURED COMPOSITION BEING, IN AN UNCURED STATE, A CURABLE RESINOUS COMPOSITION COMPRISING: (1) A THERMOSETTING MELAMINE-FORMALDEHYDE RESINOUS CONDENSATE, AND (2) A CURING CATALYST FOR SAID RESINOUS CONDENSATE, SAID CURING CATALYST BEING PRESENT IN AN AMOUNT SUFFICIENT TO EFFECT SUBSTANTIALLY COMPLETE CURE OF SAID CURABLE RESINOUS COMPOSITION WHEN THE TOTAL SUPERIMPOSED ASSEMBLE OF SAID (A), SAID (B) AND SAID (C) IS CONSOLIDATED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 130*C. TO 140*C. UNDER A PRESSURE RANGING FROM ABOUT 800 TO 1500 P.S.I. FOR FROM ABOUT 10 TO 20 MINUTES SAID LAMINATED ARTICLE BEING CAPABLE OF BEING POST-FORMED TO AN ARC OF A CIRCLE HAVING A RADIUS OF 3/4 OF AN INCH WITHOUT SUBSTANTIAL LOSS OF HEAT AND CHEMICAL RESISTANCE.
Claim 2
Dependent Claim
234 words
A UNITARY, HEAT- AND PRESSURE-CONSOLIDATE, POSTFORMABLE, HIGH PRESSURE DECORATIVE LAMINATED ARTICLE HAVING A HEAT-RESISTANT DECORATIVE SURFACE WHICH COMPRISES A SUPERIMPOSED ASSEMBLY OF: (A) A RIGIDITY-IMPARTING BASE MEMBER COMPRISING A PLURALITY OF FIBROUS SHEETS IMPREGNATES WITH A THERMOSETTING PHENOLIC RESIN WHICH HAS BEEN ADVACED TO A STATE SOMEWHAT SHORT OF SUBSTANTIALLY COMPLETE CURE, (B) A BARRIER MEMBER DIRECTLY BONDED TO SAID BASE MEMBER COMPRISING A FIBROUS SHEET IMPREGNATED WITH AN UNCATALYZED THERMOSETTING MELAMINE-FORMALDEHYDE RESINOUS COMPOSITION WHICH HAS BEEN ADVANCED TO A STATE WOMEWHAT SHORT OF SUBSTUANTIALLY COMPLETE CURE, AND (C) AN OVERLAY MEMBER DIRECTLY BONDED TO SAID BARRIER MEMBER COMPRISING A FIBROUS SHEET IMPREGNATED WITH A SUBSTANTIALLY COMPLETELY CURED MELAMINE-FORMALDEHYDE RESINOUS COMPOSITION, SAID SUBSTANTIALLY COMPLETELY CURED COMPOSITION BEING, IN AN UNCURED STATE, A CURABLE RESINOUS COMPOSITION COMPRISING: (1) A THERMOSETTING MELAMINE-FORMALDEHYDE RESINOUS CONDENSATE, AND (2) A CURING CATALYST FOR SAID RESINOUS CONDENSATE, SAID CURING CATALYST BEING PRESENT IN AN AMOUNT SUFFICIENT TO EFFECT SUBSTANTIALLY COMPLETE CURE OF SAID CURABLE RESINOUS COMPOSITION WHEN THE TOTAL SUPERIMPOSED ASSEMBLE OF SAID (A), SAID (B) AND SAID (C) IS CONSOLIDATED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 130*C. TO 140*C. UNDER A PRESSURE RANGING FROM ABOUT 800 TO 1500 P.S.I. FOR FROM ABOUT 10 TO 20 MINUTES SAID LAMINATED ARTICLE BEING CAPABLE OF BEING POST-FORMED TO AN ARC OF A CIRCLE HAVING A RADIUS OF 3/4 OF AN INCH WITHOUT SUBSTANTIAL LOSS OF HEAT AND CHEMICAL RESISTANCE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |