Patent US2546930A successfully refreshed from Google Patents.
US2546930A
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Process of polymerization in the presence of a double fluoride catalyst
Assignee: MW Kellogg Co
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Filing: 1948-08-21
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Granted: 1951-03-27
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Expires: 1968-08-21
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Passino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:27
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/20; C07C2/22; B; B01; B01J; B01J27/00; B01J27/06; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206; C07C2527/138; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD FOR CATALYTICALLY POLYMERIZING A HYDROCARBON WHICH COMPRISES SUBJECTING AN OLEFIN HYDROCARBON TO POLYMERIZATION CONDITIONS OF TEMPERATURE, PRESSURE AND SPACE VELOCITY IN THE PRESENCE OF A CATALYTIC MATERIAL COMPRISING A COMPLEX COMPOUND OF HYDROGEN FLUORIDE AND A FLUORIDE SELECTED FROM THE GROUP CONSISTING OF THE FLUORIDES OF THE ALKALI METALS, THE ALKALINE EARTH METALS AND AMMONIUM AS THE MAJOR ANF PRINCIPAL CATALYTICALLY ACTIVE COMPONENT OF THE CATALYTIC MATERIAL.
Claim 2
Independent Claim
69 words
A METHOD FOR CATALYTICALLY POLYMERIZING A HYDROCARBON WHICH COMPRISES SUBJECTING AN OLEFIN HYDROCARBON TO POLYMERIZATION CONDITIONS OF TEMPERATURE, PRESSURE AND SPACE VELOCITY IN THE PRESENCE OF A CATALYTIC MATERIAL COMPRISING A COMPLEX COMPOUND OF HYDROGEN FLUORIDE AND A FLUORIDE SELECTED FROM THE GROUP CONSISTING OF THE FLUORIDES OF THE ALKALI METALS, THE ALKALINE EARTH METALS AND AMMONIUM AS THE MAJOR ANF PRINCIPAL CATALYTICALLY ACTIVE COMPONENT OF THE CATALYTIC MATERIAL.
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) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |