Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 526/106
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 transition metal oxide (other than peroxide) > Group vib metal oxide (cr, mo, w) > Metal oxide is of chromium
Description: Subject matter wherein the specified material contains an oxide of chromium.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8653208 Process for preparing catalysts and catalysts made thereby Feb. 18, 2014
8604142 Polyolefin gas phase polymerization with 3-substituted C4-10-alkene Dec. 10, 2013
8399580 Additives to chromium catalyst mix tank Mar. 19, 2013
8372771 System and method for catalyst activation Feb. 12, 2013
8268943 Preparation of supported chromium catalyst and polymerization process Sep. 18, 2012
8258246 Preparation of supported chromium catalyst and polymerization process Sep. 4, 2012
8211988 Methods of preparing a polymerization catalyst Jul. 3, 2012
8202952 Process for making ethylene homopolymers Jun. 19, 2012
8192690 Methods and devices for polymerization Jun. 5, 2012
8183173 Fast activating catalyst May. 22, 2012
8084554 Methods and devices for polymerization Dec. 27, 2011
8076262 Production of broad molecular weight polyethylene Dec. 13, 2011
8017713 Production apparatus of polycarbonate resin and production method of polycarbonate resin Sep. 13, 2011
7910669 Methods of preparing a polymerization catalyst Mar. 22, 2011
7906603 Polymers having broad molecular weight distributions and methods of making the same Mar. 15, 2011
7754845 Production method of aromatic polycarbonate Jul. 13, 2010
7745551 Low gel chromium catalysis Jun. 29, 2010
7714091 Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins May. 11, 2010
7705097 Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins Apr. 27, 2010
7691955 Catalyst activation and resins therefrom Apr. 6, 2010
7649061 Process for preparing a poly-1-olefin in the presence of a Ziegler catalyst Jan. 19, 2010
7632901 Catalyst system and process Dec. 15, 2009
7598201 Process for preparing a support for olefin polymerization catalysts Oct. 6, 2009
7563851 Production of broad molecular weight polyethylene Jul. 21, 2009
7504463 Production of broad molecular weight polyethylene Mar. 17, 2009
7491776 Polymerization process Feb. 17, 2009
7485685 Plastics pipes of polyolefins Feb. 3, 2009
7470757 Olefin polymerization process in the presence of an anti-fouling agent Dec. 30, 2008
7452954 Polymer of ethylene Nov. 18, 2008
7388059 Ethylene polymer, catalyst for producing thereof and method for producing thereof Jun. 17, 2008
7375169 Method for catalyst preparation and improved polyethylene blow molding resin May. 20, 2008
7348384 Supported, titanized chromium catalyst and its use for preparing homopolymers and copolymers of ethylene Mar. 25, 2008
RE40140 Polymerization catalyst used for producing polyolefins that have excellent combined properties Mar. 4, 2008
7326760 Production of broad molecular weight polyethylene Feb. 5, 2008
7307133 Polymers having broad molecular weight distributions and methods of making the same Dec. 11, 2007
7268195 Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization Sep. 11, 2007
7223823 Catalyst system and process May. 29, 2007
7214642 Methods of preparing active chromium/alumina catalysts via treatment with sulfate May. 8, 2007
7151073 Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization Dec. 19, 2006
7112643 Polymers having low levels of long chain branching and methods of making the same Sep. 26, 2006
7105690 Method for producing transition metal compounds and their use for the polymerization of olefins Sep. 12, 2006
7067598 Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor Jun. 27, 2006
7019089 Suspended chrome catalyst containing titanium and the use thereof for producing ethylene homopolymers and copolymers Mar. 28, 2006
7009019 Plastic hollow body made of high density polyolefins produced by means of a fluoro modified chrome catalyst Mar. 7, 2006
6982304 Blow molding resins with improved ESCR Jan. 3, 2006
6982238 Supported catalyst Jan. 3, 2006
6921798 Polymerization process Jul. 26, 2005
6897181 Polymerization catalyst used for producing polyolefins that have excellent combined properties May. 24, 2005
6891001 Process for the gas phase polymerization of olefins May. 10, 2005
6855781 Process to produce polymers Feb. 15, 2005

1 2 3 4 5 6 7










 
 
  Recently Added Patents
Architectural panel with millet and grass
Systems and/or methods for determining item serial number structure and intelligence
Oil extractor and the preparation method thereof
Systems and methods for authorizing, authenticating and accounting users having transparent computer access to a network using a gateway device
Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation
Methods of measuring cell viability in tissue engineered products
Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus
  Randomly Featured Patents
Rotor of a superconductive rotary electric machine
Battery pack for hand-held electric machine tools
Pre-fetching content items based on social distance
Safety switch assembly
Thermosetting bis(isoimide)-diphenol resin
Sealing foam panels with a compression-generating joint
Coated paper and paperboard
Decahydronaphthalene compounds
Synthesis of esters of mercaptocarboxylic acids
Multi-compartment separation in magnetic resonance using transient steady-state free precession imaging