US2543016A
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Catalytic polymerization
Assignee: Houdry Process Corp
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Filing: 1946-04-01
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Granted: 1951-02-27
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Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Aristid V Grosse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:15
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; B; B01; B01J; B01J21/00; C07C2521/00; C07C2521/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
MONO-OLEFINIC HYDROCARBON MATERIAL HAVING THIRTY-TWO CARBON ATOMS AND HAVING A BOILING RANGE AT PRESSURE OF 0.15 TO 0.16 MILLIMETER OF MERCURY OF ABOUT 200* TO 210* C., A SPECIFIC DISPERSION MEASURED AT 20* C. USING THE F AND C LINES OF HYDROGEN OF ABOUT 0.0106 AND A SAYBOLT UNIVERSAL VISCOSITY OF ABOUT 92 SECONDS AT 100* F. AND PREPARED BY POLYMERIZING A STRAIGHT CHAIN HEXADECENE UNDER LIQUID PHASE CONDITIONAT A TEMPERATURES IN THE RANGE OF 125* TO 350* F. AND IN THE PRESENCE OF AN ACTIVE SOLID HIGH SURFACE AREA POLYMERIZATION 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) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |