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Class Information
Number: 526/124.3
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymers from only ethylenic monomers or processes of polymerizing, polymerizable compositions containing only ethylenic monomers as reactants or processes of preparing > Polymerizing in the presence of a specified material other than monomer > Material contains transition metal or compound thereof > Material contains compound of group ia (li, na, k, rb, cs, fr) or group iia (be, mg, ca, sr, ba, ra) metal wherein ia or iia metal is not bonded to hydrogen or to carbon > Contains nontransition elemental metal, hydride thereof, or carbon to non-transition metal atom bond > Contains a magnesium compound as the group iia metal compound > Contains at least one additional specified material
Description: Subject matter wherein an additional specified material is present (i.e., there are four or more specified materials present).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615602 |
Process for producing polypropylene film |
Nov. 10, 2009 |
| 7605215 |
Process for producing olefin copolymerization catalyst and process for producing olefin copolymer |
Oct. 20, 2009 |
| 7598333 |
Low-viscosity drag reducer |
Oct. 6, 2009 |
| 7592285 |
Method for preparing an olefin polymerization catalyst composition |
Sep. 22, 2009 |
| 7592286 |
Process for the preparation of a catalyst component and components therefrom obtained |
Sep. 22, 2009 |
| 7582711 |
Ziegler-type catalysts having increased productivity |
Sep. 1, 2009 |
| 7582712 |
Alpha-olefins polymerization catalyst |
Sep. 1, 2009 |
| 7566676 |
Preparation method of solid titanium catalyst for olefin polymerization |
Jul. 28, 2009 |
| 7560521 |
Components and catalysts for the polymerization of olefins |
Jul. 14, 2009 |
| 7531605 |
Process for producing polyolefin resin composition and polypropylene composition |
May. 12, 2009 |
| 7521512 |
Catalyst composition and polymerization process using mixture of silane electron donors |
Apr. 21, 2009 |
| 7482413 |
Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom |
Jan. 27, 2009 |
| 7470764 |
Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins |
Dec. 30, 2008 |
| 7465775 |
Process for the production of polypropylene using high yield Ziegler-Natta catalysts |
Dec. 16, 2008 |
| 7465776 |
High crystallinity, high melt flow rate polypropylene |
Dec. 16, 2008 |
| 7449528 |
Supported catalyst containing active titanium in the homo, co-, and ter-polymerization of olefin-unsaturated compounds |
Nov. 11, 2008 |
| 7449529 |
Bimodal blow molding resin and products made therefrom |
Nov. 11, 2008 |
| 7439313 |
Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom |
Oct. 21, 2008 |
| 7435370 |
Process of making a fiber |
Oct. 14, 2008 |
| 7427653 |
Catalyst components for the polymerization of olefins |
Sep. 23, 2008 |
| 7420021 |
Self-extinguishing catalyst composition with monocarboxylic acid ester internal door and propylene polymerization process |
Sep. 2, 2008 |
| 7420022 |
Polymerization catalyst system utilizing external donor systems and processes of forming polymers therewith |
Sep. 2, 2008 |
| 7402637 |
Method for producing a poly-1-olefin in the presence of a Ziegler catalyst |
Jul. 22, 2008 |
| 7399809 |
Modifying polyethylene made by Ziegler or single-site catalyst with free radical initiator |
Jul. 15, 2008 |
| 7399812 |
Silicon ether compounds and a method for the preparation thereof |
Jul. 15, 2008 |
| 7393910 |
Catalyst composition for ethylene polymerization |
Jul. 1, 2008 |
| 7388060 |
Catalyst component for olefin (co)polymerization, preparation thereof, a catalyst comprising the same and use thereof |
Jun. 17, 2008 |
| 7388061 |
Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof |
Jun. 17, 2008 |
| 7378476 |
Olefin polymerization process in the presence of a radical generating system |
May. 27, 2008 |
| 7371806 |
Process for the preparation of ethylene copolymers |
May. 13, 2008 |
| 7371802 |
Components and catalysts for the polymerization of olefins |
May. 13, 2008 |
| 7365136 |
High melt strength polypropylene |
Apr. 29, 2008 |
| 7365137 |
Multistep process for the (co) polymerization of olefins |
Apr. 29, 2008 |
| 7354981 |
Polyethylene catalyst and a process for preparing the same |
Apr. 8, 2008 |
| 7351778 |
Catalyst component for olefin polymerization and catalyst comprising the same |
Apr. 1, 2008 |
| 7351678 |
Catalyst systems for Ziegler-Natta propene polymerisation |
Apr. 1, 2008 |
| 7348383 |
Spray-dried, mixed metal ziegler catalyst compositions |
Mar. 25, 2008 |
| 7332556 |
Crystalline polymers of propylene having improved processability in the molten state and process for their preparation |
Feb. 19, 2008 |
| 7329626 |
Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes |
Feb. 12, 2008 |
| 7326757 |
Supported catalyst for olefin polymerization |
Feb. 5, 2008 |
| 7316987 |
Components and catalysts for the polymerization of olefins |
Jan. 8, 2008 |
| 7307035 |
Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom |
Dec. 11, 2007 |
| 7300902 |
Catalyst for polymerization of ethylene, preparation thereof and use of the same |
Nov. 27, 2007 |
| 7265074 |
Single step process for the preparation of lower .alpha.-alkene polymerization heterogeneous solid catalyst |
Sep. 4, 2007 |
| 7256247 |
Polymerization of polyethylene having high molecular weight |
Aug. 14, 2007 |
| 7256150 |
Preparation of olefin polymerization catalyst component |
Aug. 14, 2007 |
| 7238637 |
Method for the preparation of olefin polymerization catalysts |
Jul. 3, 2007 |
| 7238756 |
Polymerization process and control of polymer composition properties |
Jul. 3, 2007 |
| 7238757 |
Oxygen-containing organoaluminium complexes as cocatalysts |
Jul. 3, 2007 |
| 7232785 |
Solid catalytic component and catalytic system of the ziegler-natta type, process for their preparation and their use in the polymerization of alk-1-enes |
Jun. 19, 2007 |
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