US3421973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protection of plastic materials
Assignee: Formica Corp
•
Filing: 1965-12-20
•
Granted: 1969-01-14
•
Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Musa Rasim Kamal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:05
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C63/00; B29C63/48; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A UNITARY, HEAT AND PRESSURE CONSOLIDATED WEATHER RESISTANT LAMINATE WHICH CONSISTS OF: (I) A RIGIDITY IMPARTING RESINOUS PLASTIC SUBSTRATE IN SHEET FORM AND (II) AT LEAST ONE ADJACENT SHEET OF A SUBSTANTIALLY TRANSPARENT OVERLAY MEMBER OF ADHERABLE POLYVINLY FLUORIDE, AN ADHERABLE SIDE OF WHICH IS DIRECTLY BONDED TO SAID SUBSTRATE MEMBER BY MEANS OF. (III) A CURABLE ADHESIVE MIXTURE WHICH COMPRISES A CURABLE ADHESIVE POLYESTER RESIN COMPRISING THE ESTERIFICATION PRODUCT OF: (A) FROM ABOUT 34 TO 49 MOL PERCENT OF A CYCLOALIPHATIC DIHYDRIC ALCOHOL, (B) FROM ABOUT 1 TO 16 MOL PERCENT OF AN ASYMMETRICAL LINEAR ALIPHATIC DIHYDRIC ALCOHOL, (C) FROM ABOUT 30 TO 49 MOL PERCENT OF AN A,BETHYLENICALLY UNSATURATED DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID AND ITACONIC ACID, AND (D) FROM ABOUT 1 TO 20 MOL PERCENT OF A CYCLOALIPHATIC DICARBOXYLIC ACID, WHEREIN THE TOTAL MOL PERCENT OF ALL COMPONENTS IS 100%, AND HAVING AN ULTRA-VIOLET LIGHT ABSORBER INCORPORATED IN SAID OVERLAY MEMBER.
Claim 2
Dependent Claim
159 words
A UNITARY, HEAT AND PRESSURE CONSOLIDATED WEATHER RESISTANT LAMINATE WHICH CONSISTS OF: (I) A RIGIDITY IMPARTING RESINOUS PLASTIC SUBSTRATE IN SHEET FORM AND (II) AT LEAST ONE ADJACENT SHEET OF A SUBSTANTIALLY TRANSPARENT OVERLAY MEMBER OF ADHERABLE POLYVINLY FLUORIDE, AN ADHERABLE SIDE OF WHICH IS DIRECTLY BONDED TO SAID SUBSTRATE MEMBER BY MEANS OF. (III) A CURABLE ADHESIVE MIXTURE WHICH COMPRISES A CURABLE ADHESIVE POLYESTER RESIN COMPRISING THE ESTERIFICATION PRODUCT OF: (A) FROM ABOUT 34 TO 49 MOL PERCENT OF A CYCLOALIPHATIC DIHYDRIC ALCOHOL, (B) FROM ABOUT 1 TO 16 MOL PERCENT OF AN ASYMMETRICAL LINEAR ALIPHATIC DIHYDRIC ALCOHOL, (C) FROM ABOUT 30 TO 49 MOL PERCENT OF AN A,BETHYLENICALLY UNSATURATED DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID AND ITACONIC ACID, AND (D) FROM ABOUT 1 TO 20 MOL PERCENT OF A CYCLOALIPHATIC DICARBOXYLIC ACID, WHEREIN THE TOTAL MOL PERCENT OF ALL COMPONENTS IS 100%, AND HAVING AN ULTRA-VIOLET LIGHT ABSORBER INCORPORATED IN SAID OVERLAY MEMBER.
References Cited (Backward Citations)
US2970066A
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US3257266A
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US3133854A
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US3228823A
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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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |