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Polymerization process and catalyst system

Assignee: Phillips Petroleum Co
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Filing: 1968-02-14
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Granted: 1971-01-26
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Expires: 1988-02-14
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Abstract

Abstract UTILIZATION OF A CATALYST SYSTEM FORMED BY ADMIXING (A) A COMPOUND OF THE FORMULA RNAIX3-0; (B) A TITANIUM TRICHLORIDE-ALUMINUM TRICHLORIDE COMPLEX OF THE APPROXIMATE FORMULA TICL3-1/3ALCL3; AND (C) A PHOSPHITE HAVING THE FORMULA (R''O)3P OR A PHOSPHONITE HAVING THE FORMULA (RO)2PR IN THE POLYMERIZATION OF 1-OLEFINS RESULTS IN THE PRODUCTION OF POLYMERS HAVING HIGHER MODULUS AND LOWER XYLENES-SOLUBLE CONTENT. IN THE ABOVE FORMULAS, R IS SELECTED FROM ALKYL, CYCLOALKY, AND ARYL GROUPS, AND COMBINATIONS THEREOF, HAVING FROM 1 TO 12 CARBON ATOMSS R'' IS SELECTED FROM MONO- OR DIHALO-SUBSTITUTED ALKYL, CYCLOALKYL, AND ARYL GROUPS AND COMBINATIONS THEREOF HAVING FROM 1 TO 12 CARBONS ATOMS, AND N IS 1 OR 2.

Inventors

  • 👤 Lawrence M Fodor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:23
CPC Classifications
C; C08; C08F; C08F10/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-01-25 1974-07-27 1975-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-25 1978-07-27 1979-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-25 1982-07-27 1983-01-26 $7700.00 Window Closed / Lapsed

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