Patent US2938822A successfully refreshed from Google Patents.
US2938822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High bond strength laminate product
Assignee: General Electric Co
•
Filing: 1955-05-26
•
Granted: 1960-05-31
•
Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 John D Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:32
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31623; Y10T428/31725; Y10T428/31739; Y10T428/31855; Y10T428/31859; Y10T428/31877; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/378; Y10T442/3813
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
THE METHOD OF PREPARING LAMINATED ARTICLES COMPRISING A FIBROUS BODY AND A VINYL SURFACING MATERIAL HAVING A CLOTH BACKING WHICH COMPRISES THE STEPS OF COATING AND IMPREGNATING A FIBROUS MAT MATERIAL WITH A RESINOUS COMPOSITION CONSISTING OF (1) FROM ABOUT 62 TO 85%, BY WEIGHT OF THE TOTAL SOLIDS CONTENT OF THE COMPOSITION, OF PHENOLIC RESIN SOLIDS, SAID PHENOLIC RESIN SOLIDS BEING IN THE FORM OF A LIQUID PHENOLIC RESIN COMPOSITION CONTAINING FROM ABOUT 40 TO ABOUT 80% SOLIDS BY WEIGHT, SAID PHENOLIC RESIN COMPRISING THE ALKALINE CATALYZED REACTION PRODUCT OF INGREDIENTS COMPRISING A PHENOL AND A MOLAR EXCESS OF AN ALDEHYDE, (2) FROM ABOUT 15 TO ABOUT 35%, BY WEIGHT OF THE TOTAL SOLIDS CONTENT OF THE COMPOSITION, OF ZEIN AND (3) A SOLVENT FOR THE ZEIN AND PHENOLIC RESIN, DRYING THE COATED MAT AND BONDING SAID COATED MAT TO THE CLOTH SIDE OF SAID VINYL SURFACING MATERIAL BY MEANS OF HEAT AND PRESSURE.
Claim 2
Independent Claim
155 words
THE METHOD OF PREPARING LAMINATED ARTICLES COMPRISING A FIBROUS BODY AND A VINYL SURFACING MATERIAL HAVING A CLOTH BACKING WHICH COMPRISES THE STEPS OF COATING AND IMPREGNATING A FIBROUS MAT MATERIAL WITH A RESINOUS COMPOSITION CONSISTING OF (1) FROM ABOUT 62 TO 85%, BY WEIGHT OF THE TOTAL SOLIDS CONTENT OF THE COMPOSITION, OF PHENOLIC RESIN SOLIDS, SAID PHENOLIC RESIN SOLIDS BEING IN THE FORM OF A LIQUID PHENOLIC RESIN COMPOSITION CONTAINING FROM ABOUT 40 TO ABOUT 80% SOLIDS BY WEIGHT, SAID PHENOLIC RESIN COMPRISING THE ALKALINE CATALYZED REACTION PRODUCT OF INGREDIENTS COMPRISING A PHENOL AND A MOLAR EXCESS OF AN ALDEHYDE, (2) FROM ABOUT 15 TO ABOUT 35%, BY WEIGHT OF THE TOTAL SOLIDS CONTENT OF THE COMPOSITION, OF ZEIN AND (3) A SOLVENT FOR THE ZEIN AND PHENOLIC RESIN, DRYING THE COATED MAT AND BONDING SAID COATED MAT TO THE CLOTH SIDE OF SAID VINYL SURFACING MATERIAL BY MEANS OF HEAT AND PRESSURE.
References Cited (Backward Citations)
GB492601A
Cited
GB531995A
Cited
US2562641A
Cited
GB650036A
Cited
US2578709A
Cited
US2591466A
Cited
US2591771A
Cited
US2676128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |