US2910461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for the production of high molecular weight olefin polymers
Assignee: Phillips Petroleum Co
•
Filing: 1956-05-14
•
Granted: 1959-10-27
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Nowlin Gene
- 👤 Harold D Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:00
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A CONTINOUS PROCESS FOR PRODUCING A SOLID POLYMER OF AN ALIPHATIC 1-OLEFIN HAVING UP TO AND INCLUDING 8 CARBON ATOMS PER MOLECULE WHICH COMPRISES INTRODUCING SAID OLEFIN INTO A REACTION ZONE; MAINTAINING A PREDETERMINED PRESSURE WITHIN SAID REACTION ZONE BY CONTROLLING THE RATE OF OLEFIN INTRODUCTION THEREINTO; MIXING A FIRST COMPONENT OF AN OLEFIN POLYMERIZATION CATALYST SYSTEM WITH A HYDROCARBON DILUENT INERT AND LIQUID UNDER CONDITIONS OF THE PROCESS SAID COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF ORGANOMETALLIC COMPOUNDS, METAL HYDRIDES, AND GROUP 1, 11 AND 111 METALS OF THE PERIODIC TABLE; PASSING THE RESULTING MIXTURE OF CATALYST COMPONENT AND DILUENT INTO SAID REACTION ZONE; INTRODUCING A SECOND COMPONENT OF SAID CATALYST SYSTEM INTO SAID REACTION ZONE, SAID COMPONENT BEING SELETED FROM THE GROUP CONSISTING OF COMPOUNDS OF GROUPS IV, VI AND VIII METALS OF THE PERIODIC TABLE; MEINTAINING THE RATIO OF THE AMOUNTS OF SAID FIRST AND SECOND CATALYST COMPONENTS SUPPLIED TO
Claim 2
Dependent Claim
154 words
A CONTINOUS PROCESS FOR PRODUCING A SOLID POLYMER OF AN ALIPHATIC 1-OLEFIN HAVING UP TO AND INCLUDING 8 CARBON ATOMS PER MOLECULE WHICH COMPRISES INTRODUCING SAID OLEFIN INTO A REACTION ZONE; MAINTAINING A PREDETERMINED PRESSURE WITHIN SAID REACTION ZONE BY CONTROLLING THE RATE OF OLEFIN INTRODUCTION THEREINTO; MIXING A FIRST COMPONENT OF AN OLEFIN POLYMERIZATION CATALYST SYSTEM WITH A HYDROCARBON DILUENT INERT AND LIQUID UNDER CONDITIONS OF THE PROCESS SAID COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF ORGANOMETALLIC COMPOUNDS, METAL HYDRIDES, AND GROUP 1, 11 AND 111 METALS OF THE PERIODIC TABLE; PASSING THE RESULTING MIXTURE OF CATALYST COMPONENT AND DILUENT INTO SAID REACTION ZONE; INTRODUCING A SECOND COMPONENT OF SAID CATALYST SYSTEM INTO SAID REACTION ZONE, SAID COMPONENT BEING SELETED FROM THE GROUP CONSISTING OF COMPOUNDS OF GROUPS IV, VI AND VIII METALS OF THE PERIODIC TABLE; MEINTAINING THE RATIO OF THE AMOUNTS OF SAID FIRST AND SECOND CATALYST COMPONENTS SUPPLIED TO
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |