| Patent Number |
Title Of Patent |
Date Issued |
| RE31099 |
Catalysts and catalyst components for polymerizing olefins |
December 7, 1982 |
| New catalyst components comprising compounds containing titanium, magnesium and halogens, and catalysts for polymerizing olefins obtained by mixing said components with organometallic Al compounds are disclosed. |
| 6777508 |
Catalysts for the polymerization of olefins |
August 17, 2004 |
| Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of: (a) an Al-alkyl compound; (b) a silicon compound containing at least one Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical; (c) a solid comprising, as essenti |
| 6515085 |
Components and catalysts for the polymerization of olefins |
February 4, 2003 |
| Catalyst-forming components and catalysts for the polymerization of olefins based on said components are disclosed. The catalysts comprise the reaction product of: (a) an Al alkyl compound; (b) a silicon compound containing at least a Si--OR or Si--OCOR or Si--NR.sub.2 bond, R bein |
| 6194342 |
Components and catalysts for the polymerization of olefins |
February 27, 2001 |
| The present invention relates to supported catalysts for the polymerization of alpha-olefins which comprise the reaction product of:(a) an Al-alkyl compound;(b) a silicon compound containing at least one Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical;(c) a solid compr |
| 5618771 |
Components and catalysts for the polymerization of olefins |
April 8, 1997 |
| Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of:(a) an Al alkyl compound;(b) a silicon compound containing at least a Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical;(c) a solid comprising, as essential support, a |
| 4464478 |
Catalyst components and catalysts for polymerizing olefins |
August 7, 1984 |
| Catalyst-forming components are prepared from(a) a halogenated Ti compound containing at least a Ti-halogen bond;(b) an electron-donor compound free of active hydrogen atoms;and(c) the solid product of the reaction between at least one electron-donor compound containing active hydrogen atoms and |
| 4395360 |
Catalyst components and catalysts for the polymerization of alpha-olefins |
July 26, 1983 |
| Catalyst components for the polymerization of olefins are disclosed. Said components comprise the solid product of the reaction of a halogenated Ti compound and of an electron-donor compound not containing active H atoms with the solid product of the reaction between an electron-donor co |
| 4315835 |
Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the compone |
February 16, 1982 |
| New components of catalysts for polymerizing alpha-olefins, and the catalysts formed from the new components are disclosed. Said catalyst components are prepared by reacting Ti compounds with a carrier in the form of spheroidal particles of specified characteristics and which consist |
| 4263169 |
Catalysts and catalyst components useful for polymerizing olefins |
April 21, 1981 |
| There are disclosed new catalyst-forming components obtained by reacting at least the following substances:(a) a halogenated Ti compound containing at least one Ti-halogen bond;(b1) a support an essential constituent of which is a mixture of an oxygenated Mg compound with an adduct between a |
| 4220554 |
Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the compone |
September 2, 1980 |
| New components of catalysts for polymerizing alpha-olefins, and the catalysts formed from the new components are disclosed. Said catalyst components are prepared by reacting Ti compounds with a carrier in the form of spheroidal particles of specified characteristics and which consist |
| 4115319 |
Catalysts and catalyst components for polymerizing olefins |
September 19, 1978 |
| New catalyst components comprising compounds containing titanium, magnesium and halogens, and catalysts for polymerizing olefins obtained by mixing said components with organometallic Al compounds are disclosed. |
