242890 ⎘
Synthetic resins or natural rubbers -- part of the class 520 series Monomer polymerized in vapor state in presence of transition metal containing catalyst
Method of controlling a polymerization reactor
#2Method for seed bed treatment for a polymerization reaction
#3Production of polyethylene
#4Process for the gas-phase polymerization of olefins
#5Polymerization processes using metallocene catalysts, their polymer products and end uses
#6Gas-phase process for the polymerization of alpha-olefins
#7Method for reducing and/or preventing production of excessively low density polymer product during polymerization transitions
#8Rubber composition for dynamic parts
#9Process for the preparation of soft propylene polymer compositions
#10Monitoring polyethylene polymerization system utilizing the method for message suppression in rule based expert system
#11PRODUCTION OF POLYETHYLENE
#12Olefin polymerization process
#13Gas phase polymerization and distributor plate passivation treatment
#14Transition metal compound, catalyst for olefin polymerization containing the same, and method for producing propylene/ethylene-α-olefin block copolymer by using the catalyst
#15Method of changing between incompatible polymerization catalysts in a gas-phase fluidized-bed reactor
#16Process for the gas-phase polymerization of olefins
#17Polymerization process
#18Catalyst systems and their use in polymerization processes
#19Use of an additivie for improving the flowability of fines and their reintroduction into a continuous gas-phase (co-) polymerisation of olefins reactor
#20Method for message suppression in rule based expert system
#21Method of controlling a polymerization reactor
#22Ethylene copolymers and their uses
#23Adjusting polymer characteristics through process control
#24Method for controlling the polymer flow in a polymerization process
#25Polymerization process
#26Polymerization processes using metallocene catalysts, their polymer products and end uses
#27Method of maintaining heat transfer capacity in a polymerization reaction system
#28Isotactic-atactic polypropylene and methods of making same
#29Method and apparatus for controlling static charge in polyolefin reactors
#30Supported antistatic polymerization catalyst
#31Swirling fluidized-bed reactors for olefin polymerization
#32Low molecular weight induced condensing agents
#33Method of discharging a polymer from a polymerization reactor
#34Fluidized bed method and reactor for the treatment of catalysts and catalyst carriers
#35Single catalyst low, medium and high density polyethylenes
#36Process for producing polyolefin
#37Gas-phase polymerization process to achieve a high particle density
#38Polymerisation process
#39Process for the (co-)polymerization of ethylene in the gas phase
#40Gas phase polymerization and method of controlling same
#41Gas-phase olefin polymerization process
#42Polymerization process
#43Single catalyst low, medium and high density polyethylenes
#44Method for reducing off-grade product production during reaction transitions
#45Zero valent metal initiated gas-phase deposition polymerization
#46Processes for producing high density polyethylene
#47Process for the (co-)polymerisation of ethylene in the gas phase
#48Catalyst composition and polymerization process using mixtures of selectivity control agents
#49Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
#50Preparation of polyolefins having high molecular weights in the presence of an organic transition metal compound in a gas-phase fluidized-bed reactor
#51Adjusting polymer characteristics through process control
#52Adjusting polymer characteristics through process control
#53Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process
#54Production of broad molecular weight polyethylene
#55Gas-phase catalytic polymerization of olefins
#56Method and system to reduce polymerization reactor fouling
#57Methods for producing polymers with control over composition distribution
#58Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
#59Production of broad molecular weight polyethylene
#60Polymerization process
#61Method for operating a gas phase polymerization reactor
#62Supported polymerisation catalysts
#63Ethylene polymerization process
#64Process for the copolymerization of ethylene
#65Rotomoulding polyethylene and method for producing said rotomoulding polyethylene
#66Spherical catalyst for olefin polymerization
#67Production of polyethylene
#68Fluid recycle apparatus for fluidized bed polyolefin reactor
#69Processes for transitioning between Ziegler-Natta and alumoxane-based single-site polymerization catalysts
#70Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
#71Gas-phase fluidized-bed reactor