US2842455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of paraffin wax and a hydrogenated polymer oil
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-02-01
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Granted: 1958-07-08
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Expires: 1975-02-01
Abstract
No abstract record available.
Inventors
- 👤 David W Young
- 👤 Delmer L Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:57
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08F; C08F36/00; C08F36/02; C08F36/04; C08L91/08; C10; C10M; C10M2205/00; C10M2205/06; C10M2209/00; C10M2209/02; C10M2209/10; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2221/00; C10M2221/04; C10M2221/041; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/02; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/06; C10N2010/08; C10N2010/14; C10N2010/16; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF PARAFFIN WAX AND 1 TO 20% OF A HYDROGENATED LIQUID POLYMER OIL HAVING AN IODINE NUMBER BELOW 150 AND PREPARED BY MIXING 50 TO 100 PARTS BY WEIGHT OF BUTADIENE-1.3 WITH 50 TO 0 PARTS BY WEIGHT OF STYRENE, 50 TO 500 PARTS BY WEIGHT OF AN INERT HYDROCARBON DILUENT BOILING BETWEEN ABOUT 0 TO 250*C., 1 TO 100 PARTS OF AN ETHER SELECTED FROM THE GROUP CONSISTING OF C4-C8 ALIPHATIC ETHERS AND CYCLIC ETHERS HAVING THE OXYGEN ATOMS SEPARATED BY 2 CARBON ATOMS 1.2 TO 8 PARTS OF FINELY DISPERSED SODIUM AND 10 TO 50% BY WEIGHT OF A C3-C5 ALCOHOL BASED ON THE WEIGHT OF SODIUM, HEATING THE MIXTURE TO A REACTION TEMPERATURE BETWEEN 25 TO 105*C. UNTIL SUBSTANTIALLY 100% CONVERSION IS OBTAINED, DESTROYING AND REMOVING THE CATALYST AND SUBSEQUENTLY CONTACTING THE RESULTING POLYMER WITH HYDROGEN UNDER THE PRESSURE OF ABOUT 100 TO 5000 P.S.I.G. AT A TEMPERATURE BETWEEN ABOUT 200 AND 500* F. IN THE PRESENCE OF A HYDROGENATION CATALYST.
Claim 2
Dependent Claim
170 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF PARAFFIN WAX AND 1 TO 20% OF A HYDROGENATED LIQUID POLYMER OIL HAVING AN IODINE NUMBER BELOW 150 AND PREPARED BY MIXING 50 TO 100 PARTS BY WEIGHT OF BUTADIENE-1.3 WITH 50 TO 0 PARTS BY WEIGHT OF STYRENE, 50 TO 500 PARTS BY WEIGHT OF AN INERT HYDROCARBON DILUENT BOILING BETWEEN ABOUT 0 TO 250*C., 1 TO 100 PARTS OF AN ETHER SELECTED FROM THE GROUP CONSISTING OF C4-C8 ALIPHATIC ETHERS AND CYCLIC ETHERS HAVING THE OXYGEN ATOMS SEPARATED BY 2 CARBON ATOMS 1.2 TO 8 PARTS OF FINELY DISPERSED SODIUM AND 10 TO 50% BY WEIGHT OF A C3-C5 ALCOHOL BASED ON THE WEIGHT OF SODIUM, HEATING THE MIXTURE TO A REACTION TEMPERATURE BETWEEN 25 TO 105*C. UNTIL SUBSTANTIALLY 100% CONVERSION IS OBTAINED, DESTROYING AND REMOVING THE CATALYST AND SUBSEQUENTLY CONTACTING THE RESULTING POLYMER WITH HYDROGEN UNDER THE PRESSURE OF ABOUT 100 TO 5000 P.S.I.G. AT A TEMPERATURE BETWEEN ABOUT 200 AND 500* F. IN THE PRESENCE OF A HYDROGENATION CATALYST.
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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |