US2794007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beneficiated chemically curing polyepoxy ether resinous composition
Assignee: Sherwin Williams Co
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Filing: 1952-08-15
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Granted: 1957-05-28
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Expires: 1972-08-15
Abstract
No abstract record available.
Inventors
- 👤 Robert S Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:25
CPC Classifications
C; C09; C09D; C09D163/00; C09D163/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN IMPROVED CHEMICALLY HARDING POLYEPOXY ETHER RESIN CONTAINING COATING VEHICLE WHICH IS CHARACTERIZED BY SUBSTANTIALLY FREEDOM FROM CRAWLING AND CRATERING, AND SPOTING OF PIGMENTS CONTAINED THEREIN, COMPRISING A MAJOR AMOUNT OF A CHEMICALLY HARDENING POLYEPOXY ETHER RESIN AND A MINOR AMOUNT, SUFFICIENT TO INHIBIT CRAWLING AND CRATERING, AND SPOTTING DURING THE HARDENING OF THE RESINOUS FILM, OF AN ALIPHATIC, NON-IONIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF LIQUID AND SOLID PETROLEUM HYDROCARBONS CONTAINING AN AVERAGE OF FROM ABOUT 24 TO ABOUT 32 CARBON ATOMS. SATURATED ALIPHATIC MONO-ETHERS CONTAINING FROM ABOUT 24 TO ABOUT 36 CARBON ATOMS, TRI-ESTERS OF SATURATED AND MONO-UNSATURATED ALIPHATIC STRAIGHT CHAIN CARBOXYLIC ACIDS CONTAINING FROM 16 TO 20 CARBON ATOMS WITH GLYCERINE, DI-ESTERS OF SATURATED AND MONO-UNSATURATED ALIPHATIC STRAIGHT CHAIN CARBOXYLIC ACIDS CONTAINING FROM 16 TO 20 CARBON ATOMS WITH GLYCOL, LANOLIN AND MIXTURES OF THE FOREGOING.
Claim 2
Dependent Claim
141 words
AN IMPROVED CHEMICALLY HARDING POLYEPOXY ETHER RESIN CONTAINING COATING VEHICLE WHICH IS CHARACTERIZED BY SUBSTANTIALLY FREEDOM FROM CRAWLING AND CRATERING, AND SPOTING OF PIGMENTS CONTAINED THEREIN, COMPRISING A MAJOR AMOUNT OF A CHEMICALLY HARDENING POLYEPOXY ETHER RESIN AND A MINOR AMOUNT, SUFFICIENT TO INHIBIT CRAWLING AND CRATERING, AND SPOTTING DURING THE HARDENING OF THE RESINOUS FILM, OF AN ALIPHATIC, NON-IONIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF LIQUID AND SOLID PETROLEUM HYDROCARBONS CONTAINING AN AVERAGE OF FROM ABOUT 24 TO ABOUT 32 CARBON ATOMS. SATURATED ALIPHATIC MONO-ETHERS CONTAINING FROM ABOUT 24 TO ABOUT 36 CARBON ATOMS, TRI-ESTERS OF SATURATED AND MONO-UNSATURATED ALIPHATIC STRAIGHT CHAIN CARBOXYLIC ACIDS CONTAINING FROM 16 TO 20 CARBON ATOMS WITH GLYCERINE, DI-ESTERS OF SATURATED AND MONO-UNSATURATED ALIPHATIC STRAIGHT CHAIN CARBOXYLIC ACIDS CONTAINING FROM 16 TO 20 CARBON ATOMS WITH GLYCOL, LANOLIN AND MIXTURES OF THE FOREGOING.
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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |