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US3231550A Expired / Lapsed US ⏱️ 0.0 years remaining

Olefin polymerization

Assignee: Union Carbide Corp
•
Filing: 1964-06-04
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Granted: 1966-01-25
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Expires: 1984-06-04
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Abstract

No abstract record available.

Inventors

  • 👤 Robert M Manyik
  • 👤 Wellington E Walker
  • 👤 Thomas P Wilson
  • 👤 George F Hurley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:00
CPC Classifications
C; C08; C08F; C08F10/00; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/12; C07C2531/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
A PROCESS FOR THE POLYMERIZATION OF MONO-UNSATURATED ALPHA-OLEFINS CONTAINING FROM TWO TO TEN CARBON ATOMS, WHICH COMPRISES CONTACTING SAID ALPHA-OLEFIN AT A PRESSURE UP TO ABOUT 100 ATMOSPHERES WITH A CATALYST COMPOSITION COMPRISING THE PRODUCT FORMED BY REACTING POLY(HYDROCARBYLALUMINUM OXIDE) AND A TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS OF THE METALS OF GROUPS IVA, VA, AND VIA, SAID POLY(HYDROCARBYLALUMINUM OXIDE) BEING THE PRODUCT OF THE REACTION OF FROM 0.25 TO 1.5 MOLES OF WATER PER MOLE OF ORGANO HYDROCARBYLALUMINUM COMPOUND WHEREIN THE HYDROCARBYL MOIETY THEREOF IS SELECTED FROM THE GROUP CONSISTING OF AN ALKYL RADICAL CONTAINING FROM 1 TO ABOUT 12 CARBON ATOMS AND AN ARYL RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL AND NAPHTHYL RADICALS.
Claim 2
Dependent Claim 122 words
A PROCESS FOR THE POLYMERIZATION OF MONO-UNSATURATED ALPHA-OLEFINS CONTAINING FROM TWO TO TEN CARBON ATOMS, WHICH COMPRISES CONTACTING SAID ALPHA-OLEFIN AT A PRESSURE UP TO ABOUT 100 ATMOSPHERES WITH A CATALYST COMPOSITION COMPRISING THE PRODUCT FORMED BY REACTING POLY(HYDROCARBYLALUMINUM OXIDE) AND A TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS OF THE METALS OF GROUPS IVA, VA, AND VIA, SAID POLY(HYDROCARBYLALUMINUM OXIDE) BEING THE PRODUCT OF THE REACTION OF FROM 0.25 TO 1.5 MOLES OF WATER PER MOLE OF ORGANO HYDROCARBYLALUMINUM COMPOUND WHEREIN THE HYDROCARBYL MOIETY THEREOF IS SELECTED FROM THE GROUP CONSISTING OF AN ALKYL RADICAL CONTAINING FROM 1 TO ABOUT 12 CARBON ATOMS AND AN ARYL RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL AND NAPHTHYL RADICALS.

References Cited (Backward Citations)

US3152105A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-24 1969-07-26 1970-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-24 1973-07-26 1974-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-24 1977-07-26 1978-01-25 $7700.00 Window Closed / Lapsed

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