US3334555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paving utilizing epoxy resin
Assignee: Reliance Steel Products Co
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Filing: 1964-04-29
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Granted: 1967-08-08
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Harry S Nagin
- 👤 Donald H Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
E; E01; E01C; E01C7/00; E01C7/08; E01C7/35; E01C7/356
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF APPLYING A TRAFFIC-BEARING SURFACE TO A RIGID BASE WHICH COMPRISES PREPARING A MIXTURE OF A LIQUID EPOXY RESIN AND A LIQUID FLESIBILIZING RESIN FOR THE EPOXY WHICH IS DERIVED FROM THE CONDENSATION REACTION OF A POLYAMINE AND DIMERIC FATTY ACID, WHICH RESIN COPOLYMERIZES WITH THE EPOXY RESIN AND WHICH HAS AN AMINE VALUE ADQUATE TO CURE THE EPOXY RESIN, THE FLEXIBILIZING RESIN BEING IN THE RATIO OF 75 PARTS TO 125 PARTS BY WEIGHT OF THE FLEXIBILIZING RESIN TO 100 PARTS OF EPOXY RESIN, APPLYING THE LIQUID MIXTURE OF THE TWO RESINS OVER THE SUFACE OF THE BASE, THEREAFTER APPLYING LIQUID EPOXY RESIN CONTAINING DETA AS A CURING AGENT OVER THE FIRST LAYER, EMBEDDING A LAYER OF ABRASIVE GRAINS IN THE SURFACE OF THE EPOXY RESIN, AND CURING BOTH LAYERS IN SITU ON THE BASE.
Claim 2
Independent Claim
138 words
THE METHOD OF APPLYING A TRAFFIC-BEARING SURFACE TO A RIGID BASE WHICH COMPRISES PREPARING A MIXTURE OF A LIQUID EPOXY RESIN AND A LIQUID FLESIBILIZING RESIN FOR THE EPOXY WHICH IS DERIVED FROM THE CONDENSATION REACTION OF A POLYAMINE AND DIMERIC FATTY ACID, WHICH RESIN COPOLYMERIZES WITH THE EPOXY RESIN AND WHICH HAS AN AMINE VALUE ADQUATE TO CURE THE EPOXY RESIN, THE FLEXIBILIZING RESIN BEING IN THE RATIO OF 75 PARTS TO 125 PARTS BY WEIGHT OF THE FLEXIBILIZING RESIN TO 100 PARTS OF EPOXY RESIN, APPLYING THE LIQUID MIXTURE OF THE TWO RESINS OVER THE SUFACE OF THE BASE, THEREAFTER APPLYING LIQUID EPOXY RESIN CONTAINING DETA AS A CURING AGENT OVER THE FIRST LAYER, EMBEDDING A LAYER OF ABRASIVE GRAINS IN THE SURFACE OF THE EPOXY RESIN, AND CURING BOTH LAYERS IN SITU ON THE BASE.
References Cited (Backward Citations)
US2934452A
Cited
US2948201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |