US3144428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact adhesive compositions
Assignee: Formica Corp
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Filing: 1962-03-01
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Granted: 1964-08-11
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Kost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:28
CPC Classifications
C; C09; C09J; C09J163/00; C09J163/04; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A HIGH-STRENGTH CONTACT ADHESIVE COMPOSITION COMPRISING A SUBSTANTIALLY HOMOGENEOUS BLEND OF: (A) A POLYMER OF CHLOROPRENE, (B) FROM ABOUT 25% TO ABOUT 200% BY WEIGHT OF A REACTION PRODUCT OF A POTENTIALLY HEAT-HARDENABLE PARA-HYDROCARBON-SUBSTITUTED PHENOL-ALDEHYE RESINOUS REACTION PRODUCT WITH AN AMOUNT OF MAGNESIUM OXIDE SUFFICIENT TO SUBSTANTIALLY COMPLETELY REACT THEREWITH, (C) FROM ABOUT 10% TO ABOUT 40% BY WEIGHT OF A TERPENE-PHENOLIC RESINOUS REACTION PRODUCT, AND (D) FROM ABOUT 25% TO ABOUT 200% BY WEIGHT OF AN EPOXY NOVALAC RESIN THE WEIGHTS OF SAID (B), (C) AND (D) EACH BEING BASED ON THE WEIGHT OF THE POLYMER OF CHOLOROPRENE PRESENT.
Claim 2
Dependent Claim
100 words
A HIGH-STRENGTH CONTACT ADHESIVE COMPOSITION COMPRISING A SUBSTANTIALLY HOMOGENEOUS BLEND OF: (A) A POLYMER OF CHLOROPRENE, (B) FROM ABOUT 25% TO ABOUT 200% BY WEIGHT OF A REACTION PRODUCT OF A POTENTIALLY HEAT-HARDENABLE PARA-HYDROCARBON-SUBSTITUTED PHENOL-ALDEHYE RESINOUS REACTION PRODUCT WITH AN AMOUNT OF MAGNESIUM OXIDE SUFFICIENT TO SUBSTANTIALLY COMPLETELY REACT THEREWITH, (C) FROM ABOUT 10% TO ABOUT 40% BY WEIGHT OF A TERPENE-PHENOLIC RESINOUS REACTION PRODUCT, AND (D) FROM ABOUT 25% TO ABOUT 200% BY WEIGHT OF AN EPOXY NOVALAC RESIN THE WEIGHTS OF SAID (B), (C) AND (D) EACH BEING BASED ON THE WEIGHT OF THE POLYMER OF CHOLOROPRENE PRESENT.
References Cited (Backward Citations)
US2918442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |