Patent US3588334A successfully refreshed from Google Patents.
Patent US3124548A successfully refreshed from Google Patents.
US3124548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neoprene-epoxy-phenol- aldehyde
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
C; C09; C09J; C09J111/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A LIQUID ADHESIVE CEMET COMPOSITION WHICH IS RESISTANT TO GELATION DURING STORAGE AND UPON APPLICATION AS COATINGS ON SMOOTH METAL SURFACES DRIES IN MINUTES TO PROVIDE TACKY FILMS THAT DO NOT TRANSFER TO THE FINGER WHEN TOUCHED AND FOR PERIODS OF UP TO ABOUT TWO HOURS FORM STRONG ADHESIVE BONDS UNDER MERE CONTACT PRESSURE AT ROOM TEMPERATURES, WHICH BONDS RAPIDLY DEVELOP EXCELLENT RESISTANCE TO SHEAR AND DEAD LOADS AT ELEVATED TEMPERATURE, SAID CEMENT COMPOSITION BEING A SPREADABLE LIQUID MIXTURE IN A VOLATILE ORGANIC LIQUID SOLVENT OF COMPONENTS COMPRISING (1) 100 PARTS BY WEIGHT OF POLYMERIZED CHLOROPRENE, (2) 3-40 PARTS OF EPOXY RESIN HAVING AN AVERAGE OF MORE THAN ONE 1,2-EPOXY GROUP PER AVERAGE MOLECULAR WEIGHT, (3) A ROOM-TEMPERATURE-REACTIVE CHEMICAL HARDENING AGENT FOR EPOXY RESIN IN AMOUNT SUFFICIENT TO PROVIDE AT ROOM TEMPERATURE A RAPID CURE OF EPOXY RESIN IN SIMPLE ADMIXTURE THEREWITH, AND (4) 20 TO 90 PARTS OF HEAT-HARDENING PHENOL-ALDEHYDE RESINOUS CONDENSATION PRODUCT OF FORMALDEHYDE AND A SUBSTITUTED PHENOL COMPATIBLE WITH SAID CHLOROPRENE POLYMER.
Claim 2
Dependent Claim
165 words
A LIQUID ADHESIVE CEMET COMPOSITION WHICH IS RESISTANT TO GELATION DURING STORAGE AND UPON APPLICATION AS COATINGS ON SMOOTH METAL SURFACES DRIES IN MINUTES TO PROVIDE TACKY FILMS THAT DO NOT TRANSFER TO THE FINGER WHEN TOUCHED AND FOR PERIODS OF UP TO ABOUT TWO HOURS FORM STRONG ADHESIVE BONDS UNDER MERE CONTACT PRESSURE AT ROOM TEMPERATURES, WHICH BONDS RAPIDLY DEVELOP EXCELLENT RESISTANCE TO SHEAR AND DEAD LOADS AT ELEVATED TEMPERATURE, SAID CEMENT COMPOSITION BEING A SPREADABLE LIQUID MIXTURE IN A VOLATILE ORGANIC LIQUID SOLVENT OF COMPONENTS COMPRISING (1) 100 PARTS BY WEIGHT OF POLYMERIZED CHLOROPRENE, (2) 3-40 PARTS OF EPOXY RESIN HAVING AN AVERAGE OF MORE THAN ONE 1,2-EPOXY GROUP PER AVERAGE MOLECULAR WEIGHT, (3) A ROOM-TEMPERATURE-REACTIVE CHEMICAL HARDENING AGENT FOR EPOXY RESIN IN AMOUNT SUFFICIENT TO PROVIDE AT ROOM TEMPERATURE A RAPID CURE OF EPOXY RESIN IN SIMPLE ADMIXTURE THEREWITH, AND (4) 20 TO 90 PARTS OF HEAT-HARDENING PHENOL-ALDEHYDE RESINOUS CONDENSATION PRODUCT OF FORMALDEHYDE AND A SUBSTITUTED PHENOL COMPATIBLE WITH SAID CHLOROPRENE POLYMER.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |