Patent US2494559A successfully refreshed from Google Patents.
US2494559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cqatting and impregnating
Assignee: —
•
Filing: —
•
Granted: 1950-01-17
•
Expires: 1967-01-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:51
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/04; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; C08L; C08L91/00; C08L91/04; C09D167/00; C09D167/08; C09D191/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A FUSIBLE IMPREGNATING AND COATING COMPOSITION WHICH IS SUBSTANTIALLY SOLID AT ROOM TEMPERATURE AND WHICH IS RESISTANT TO THE SOLVENT ACTION OF HYDROCARBONS, WHICH COMPRISES A BLEND OF A SOLID, SUBSTANTIALLY SATURATED ESTER OF A FATTY ACID HAVING MORE THAN 10 CARBON ATOMS PER MOLECULE AND A MONOHYDRIC ALCOHOL, WHICH ESTER CONTAINS AN OXYGEN ATOM IN ITS MOLECULAR STRUCTURE OTHER THAN THOSE PRESENT IN THE ESTER LINKAGE AND WHICH MELTS ABOVE ABOUT 50*C., AND HAS AN IODINE NUMBER OF LESS THAN ABOUT 10, AND 5 TO 50% BY WEIGHT, BASED ON THE TOTAL MIXTURE, OF A NON-HYDROGENATED AIRBLOWN UNSATURATED ESTER OF A POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS PER MOLECULE AND AN UNSATURATED FATTY ACID HAVING AT LEAST SIX CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
125 words
A FUSIBLE IMPREGNATING AND COATING COMPOSITION WHICH IS SUBSTANTIALLY SOLID AT ROOM TEMPERATURE AND WHICH IS RESISTANT TO THE SOLVENT ACTION OF HYDROCARBONS, WHICH COMPRISES A BLEND OF A SOLID, SUBSTANTIALLY SATURATED ESTER OF A FATTY ACID HAVING MORE THAN 10 CARBON ATOMS PER MOLECULE AND A MONOHYDRIC ALCOHOL, WHICH ESTER CONTAINS AN OXYGEN ATOM IN ITS MOLECULAR STRUCTURE OTHER THAN THOSE PRESENT IN THE ESTER LINKAGE AND WHICH MELTS ABOVE ABOUT 50*C., AND HAS AN IODINE NUMBER OF LESS THAN ABOUT 10, AND 5 TO 50% BY WEIGHT, BASED ON THE TOTAL MIXTURE, OF A NON-HYDROGENATED AIRBLOWN UNSATURATED ESTER OF A POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS PER MOLECULE AND AN UNSATURATED FATTY ACID HAVING AT LEAST SIX CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
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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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |